論文
公開件数:256件
No. 種別 査読の有無 標題 単著・共著区分 著者 誌名 巻号頁 出版日 ISSN DOI URL
1 一般論文

Fundamental characteristics of secondary drops produced by early splash during single-drop impingement onto a thick liquid film
共著
Tomio Okawa, Katsuyuki Kawai, Kohei Kubo, Sota Kitabayashi
Experimental Thermal and Fluid Science
131, 110533-
2022



2 一般論文

気液二相噴流の変形挙動に関する実験的検討
共著
孫国富, 詹翼, 小林拓司, 大川富雄, 入倉基樹
混相流
35/ 1, 77-84
2021



3 一般論文

Experiments on splashing thresholds during single-drop impact onto a quiescent liquid film
共著
Tomio Okawa, Kohei Kubo, Katsuyuki Kawai, Sota Kitabayashi
Experimental Thermal and Fluid Science
121, 110279-
2021



4 一般論文

Experimental study on secondary droplets produced during liquid jet impingement onto a horizon solid surface
共著
Yi Zhan, Yusuke Kuwata, Tomio Okawa, Mitsuhiro Aoyagi, Takashi Takata
Experimental Thermal and Fluid Science
120, 110249-
2021



5 一般論文

On the mechanism of onset of significant void in subcooled flow boiling
単著
Tomio Okawa
International Journal of Heat and Mass Transfer
181, 121835-
2021/12



6 一般論文

Droplet generation during spray impact onto a downward-facing solid surface
共著
Yi Zhan, Guofu Sun, Tomio Okawa, Mitsuhiro Aoyagi, Takashi Takata
Experimental Thermal and Fluid Science
126, 110402-
2021/08/01



7 一般論文

Role of nanoparticle layer in determining minimum heat flux temperature during quenching of high-temperature body
共著
Yutaro UMEHARA, Tomio OKAWA
Mechanical Engineering Journal
published on line (J-STAGE)
2021/03/18



8 一般論文

An experimental and numerical study of wall effect on freeze valve performance in a molten salt reactor
共著
Indarta Kuncoro Aji, Tatsuya Tatsuya, Motoyasu Kinoshita, Tomio Okawa
Journal of Nuclear Engineering and Radiation Science
6/ 2, 21105-
2020



9 一般論文

Water flow boiling heat transfer in vertical minichannel
共著
Koji Enoki, Masaharu Ono, Tomio Okawa, Budi Kristiawan, Agung Tri Wijayanta
Experimental Thermal and Fluid Science
117, 110147-
2020



10 一般論文

Two-phase flow regimes of refrigerant R134a in an oscillating horizontal rectangular minichannel conduit
共著
Koji Enoki, Masaharu Ono, Tomio Okawa, Atsushi Akisawa, Budi Kristiawan, Agung Tri Wijayanta
International Journal of Refrigeration
118, 261-268
2020



11 一般論文

Measurement of heat transfer coefficient profile during quenching of a vertical hot wall with a falling liquid film
共著
Tomio Okawa, Keisuke Yamagata, Yutaro Umehara
Nuclear Engineering and Design
363, 110629-
2020



12 一般論文

Effect of nanoparticle layer coating on heat transfer performance of heat pipe
共著
Menglei Wang, Tomio Okawa
Heat Transfer Engineering
accepted
2020



13 一般論文

Effects of surface tension and viscosity on liquid jet breakup
共著
Yi Zhan, Yusuke Kuwata, Kiyotaka Maruyama, Tomio Okawa, Koji Enoki, Mitsuhiro Aoyagi, Takashi Takata
Experimental Thermal and Fluid Science
112/ 109953
2020



14 一般論文

気水分離器における液滴キャリーオーバーに関する研究(気液二相噴流の分裂開始長さに関する実験的検討)
共著
詹翼、孫国富、大川富雄、入倉基樹
混相流
34/ 1, 75-81
2020/03/15



15 一般論文

焼結製法による高気孔率金属繊維多孔質伝熱面におけるサブクール沸騰熱伝達による高熱流束除熱
共著
熊取弘祐,大友優甫,Santiago-Galcia Edgar,
大川富雄,織戸賢治,滝田賢二,幸 俊彦,榎木光治
混相流
34/ 1, 64-74
2020/03/15



16 一般論文

急冷処理用冷却材としてのナノ流体の有効性評価
共著
梅原裕太郎,大川富雄,榎木光治
鉄と鋼
105/ 11, 1050-1058
2019/11/01



17 一般論文

Nanoparticle layer detachment and its influence on the heat transfer characteristics in saturated pool boiling of nanofluids
共著
Yosuke Watanabe, Koji Enoki, Tomio Okawa
International Journal of Heat and Mass Transfer
125, 171-178
2018/10/31



18 一般論文

Observation and modelling of bubble dynamics in isolated bubble regime in subcooled flow boiling
共著
Tomio Okawa, Kazuhiro Kaiho, Shintaro Sakamoto, Koji Enoki
Nuclear Engineering and Design
335, 400-408
2018/08/15



19 一般論文

Droplet generation during liquid jet impingement onto a horizontal plate
共著
Y Zhan, N Oya, K Enoki, T Okawa, M Aoyagi, T Takata
Experimental Thermal and Fluid Science
98, 86-94
2018/05/25



20 一般論文

水平矩形微細流路内気液二相流の流動様相に及ぼす振動の影響
共著
大野正晴, 長山国弘, 榎木光治, 秋澤淳, 大川富雄, 森英夫
日本冷凍空調学会論文集
34/ 4, 335-344
2017



21 一般論文

人工知能の深層学習による円形微細流路内水平流の沸騰熱伝達の予測
共著
榎木光治, 清雄一, 大川富雄, 齋藤潔
混相流
31/ 4, 412-421
2017



22 一般論文

並列多穴微細流路を用いた蒸発熱交換器内の流動様相観察と偏流メカニズムの解明および対策
共著
大野正晴,榎木光治,冠者慧祐,中村太一,大川富雄,西田耕作,加藤雅士
日本冷凍空調学会論文集
34/ 4, 413-424
2017/12/31



23 一般論文

Measurement of the maximum bubble size distribution in water subcooled flow boiling at low pressure
共著
Kazuhiro Kaiho, Tomio Okawa, Koji Enoki
International Journal of Heat and Mass Transfer
108, 2365-2380
2017/01/27

https://doi.org/10.1016/j.ijheatmasstransfer.2017.01.027

24 一般論文

ミニチャンネル貫流ボイラーの成立性評価
共著
大川富雄、小澤守、榎木光治、大野正晴、中村太一
ボイラ研究
399, 9-16
2016/10/15



25 一般論文

Systematic measurements of heat transfer characteristics in saturated pool boiling of water-based nanofluids
共著
Muhamad Zuhairi Sulaiman, Daisuke Matsuo, Koji Enoki, Tomio Okawa
International Journal of Heat and Mass Transfer
102, 264-276
2016/06/01



26 一般論文

サブクールプール沸騰における鉛直伝熱面からの気泡離脱
共著
宮野 直樹, 大川 富雄
混相流
30/ 1, 75-86
2016/03/15



27 一般論文

Influence of surface wettability on bubble behavior and void evolution mechanisms in a vertical subcooled flow boiling
共著
Rouhollah Ahmdi, Tomio Okawa
International Journal of Thermal Sciences
97, 114-125
2015



28 一般論文

ポーラスマイクロチャンネルを用いた相変化除熱に関する研究
共著
半澤大樹、大川富雄
日本機械学会論文集
81/ 827, 1-12
2015



29 一般論文

Recognition of Net Vapor Generation in Subcooled Flow Boiling

Rouhollah Ahmadi, Tomio Okawa
Journal of Multidisciplinary Engineering Science and Technology
2/ 3, 465-469
2015



30 一般論文

Enhancing numerical stability of a two-fluid model by the use of interfacial pressure terms
単著
Tomio Okawa
Journal of Nuclear Engineering and Radiation Science
1/ 2, 021001-021011
2015



31 一般論文

周方向非均一濡れ流路における気液二相流の圧力損失特性

城間克政、大川富雄
混相流
28/ 4, 466-475
2014



32 一般論文

Visualization study on the mechanisms of net vapor generation in water subcooled flow boiling under moderate pressure conditions

Rouhollah Ahmadi, Tatsuya Ueno, Tomio Okawa
International Journal of Heat and Mass Transfer
70, 137-151
2014



33 一般論文

Boiling heat transfer and critical heat flux enhancement of upward- and downward-facing heater in nanofluids

Muhamad Zuhairi Sulaiman, Masahiro Takamura, Kazuki Nakahashi, Tomio Okawa
Journal of Engineering for Gas Turbines and Power
135/ 7, Paper ID 072901-
2013



34 一般論文

Experimental identification of the phenomenon triggering the net vapor generation in upward subcooled flow boiling of water at low pressure

Rouhollah Ahmadi, Tatsuya Ueno, Tomio Okawa
International Journal of Heat and Mass Transfer
55/ 21-22, 6067-6076
2012



35 一般論文

Boiling time effect on CHF enhancement in pool boiling of nanofluids

Tomio Okawa, Masahiro Takamura, Takahito Kamiya
International Journal of Heat and Mass Transfer
55/ 9-10, 2719-2725
2012



36 一般論文

Onset of nucleate boiling in mini and microchannels: A brief review

Tomio Okawa
Frontiers in Heat and Mass Transfer
3/ 1, No.013001-
2012



37 一般論文

Bubble dynamics at boiling incipience in subcooled upward flow boiling

Rouhollah Ahmadi, Tatsuya Ueno, Tomio Okawa
International Journal of Heat and Mass Transfer
55/ 1-3, 488-497
2012



38 一般論文

Boiling heat transfer during single nanofluid drop impacts onto a hot wall

Tomio Okawa, Kenta Nagano, Takahiro Hirano
Experimental Thermal and Fluid Science
36/ 1, 78-85
2011



39 一般論文

Rate of droplet deposition in steam-water annular flow and effect of a flow obstacle

Tomio Okawa, Toshihiro Murakami, Rei Takei
Nuclear Engineering and Design
241/ 11, 4497-4503
2011



40 一般論文

Dependence of bubble behavior in subcooled boiling on surface wettability

Takahiro Harada, Hiroshi Nagakura, Tomio Okawa
Nuclear Engineering and Design
240/ 10, 3949-3955
2010



41 一般論文

Numerical verification of a simplified model for vapor bubble lift-off from a hydrophilic heated flat-wall

Tomio Okawa, Kosuke Hayashi, Akio Tomiyama
Nuclear Engineering and Design
240/ 12, 3942-3948
2010



42 一般論文

Prediction of dryout type critical heat flux and relevant thermal-hydraulic issues

Tomio Okawa
International Electronic Journal of Nuclear Safety and Simulation
1/ 3, 207-219
2010



43 一般論文

Numerical study of particle concentration effect on deposition characteristics in turbulent pipe flows

Yasushi Yamamoto, Tomio Okawa
Journal of Nuclear Science and Technology
47/ 10, 945-952
2010



44 一般論文

Photographic study on bubble motion in subcooled pool boiling

Tomio Okawa, Takahiro Harada, Yuta Kotsusa
Journal of Engineering for Gas Turbines and Power
132/ 10, Paper No. 102922-
2010



45 一般論文

Liquid film behavior in annular two-phase flow under flow oscillation conditions

Tomio Okawa, Taisuke Goto, Yosuke Yamagoe
International Journal of Heat and Mass Transfer
53/ 5-6, 962-971
2010



46 一般論文

液滴・液膜衝突に及ぼす液膜厚さおよび衝突角度の影響

大川富雄、白石卓也、小松茂
混相流の進展
4, 400-402
2009



47 一般論文

超高出力密度炉心ABWRの実用化(2)流量・出力振動下沸騰遷移現象に関する解析的研究

野崎謙一朗、大川富雄、堀田亮年
日本機械学会論文集B編
75/ 751, 400-402
2009



48 一般論文

Liquid film dryout in a boiling channel under flow oscillation conditions

Tomio Okawa, Taisuke Goto, Jun Minamitani, Yosuke Yamagoe
International Journal of Heat and Mass Transfer
52/ 15-16, 3665-3675
2009



49 一般論文

Effects of particle relaxation time and continuous phase Reynolds number on particle deposition in vertical turbulent pipe flows

Yasushi Yamamoto, Tomio Okawa
Journal of Nuclear Science and Technology
46/ 4, 382-391
2009



50 一般論文

Effect of impingement angle on the outcome of single water drop impact onto a plane water surface

Tomio Okawa, Takuya Shiraishi, Toshiaki Mori
Experiments in Fluids
44/ 2, 331-339
2008



51 一般論文

On the deposition rate of droplets in annular flow around a flow obstacle

Tomio Okawa, Takayuki Fujita, Jun Minamitani, Isao Kataoka
Multiphase Science and Technology
19/ 4, 305-321
2007



52 一般論文

Measurement of the deposition rate of droplets in a vertical tube containing a flow obstacle

Tomio Okawa, Akio Kotani, Naoya Shimada, Isao Kataoka
Nuclear Technology
158/ 2, 304-313
2007



53 一般論文

Simultaneous measurement of void fraction and fundamental bubble parameters in subcooled flow boiling

Tomio Okawa, Hayato Kubota, Tatsuhiro Ishida
Nuclear Engineering and Design
237/ 10, 1016-1024
2007



54 一般論文

液滴衝突後の液膜界面挙動に関する実験的研究

森敏昭、白石卓也、大川富雄、片岡勲
混相流の進展
1, 57-64
2006



55 一般論文

Production of secondary drops during the single water drop impact onto a plane water surface

Tomio Okawa, Takuya Shiraishi, Toshiaki Mori
Experiments in Fluids
41/ 6, 965-974
2006



56 一般論文

An experimental study on the mass transfer rate of droplets in annular two-phase flow

Tomio Okawa, Naoya Shimada, Akio Kotani, Isao Kataoka
JSME International Journal Series B
49/ 2, 271-278
2006



57 一般論文

Numerical simulation of two-dimensional bubbles initially flattened along a flat plate

Tomio Okawa, Isao Kataoka, Michitsugu Mori
Numerical Heat Transfer Part A: Applications
49/ 4, 393-409
2006



58 一般論文

急拡大を伴う鉛直円管内を上昇する気液二相流の流動様式

近藤宏一、吉田憲司、松本忠義、大川富雄、片岡勲
機械学会論文集B編
71/ 711, 2679-2685
2005



59 一般論文

急拡大を伴う鉛直円管内を上昇する気泡流のボイド率分布

近藤宏一、吉田憲司、松本忠義、大川富雄、片岡勲
機械学会論文集B編
71/ 703, 796-803
2005



60 一般論文

Correlations for the mass transfer rate of droplets in vertical upward annular flow

Tomio Okawa, Isao Kataoka
International Journal of Heat and Mass Transfer
48/ 23-24, 4766-4778
2005



61 一般論文

On the rise paths of single vapor bubbles after the departure from nucleation sites in subcooled upflow boiling

Tomio Okawa, Tatsuhiro Ishida, Isao Kataoka, Michitsugu Mori
International Journal of Heat and Mass Transfer
48/ 21-22, 4446-4459
2005



62 一般論文

Bubble rise characteristics after the departure from a nucleation site in vertical upflow boiling of subcooled water

Tomio Okawa, Tatsuhiro Ishida, Isao Kataoka, Michitsugu Mori
Nuclear Engineering and Design
235/ 10-12, 1149-1161
2005



63 一般論文

An experimental study on bubble rise path after the departure from a nucleation site in vertical upflow boiling

Tomio Okawa, Tatsuhiro Ishida, Isao Kataoka, Michitsugu Mori
Experimental Thermal and Fluid Science
29/ 3, 287-294
2005



64 一般論文

Experiments for liquid phase mass transfer rate in annular regime for a small vertical tube

Tomio Okawa, Akio Kotani, Isao Kataoka
International Journal of Heat and Mass Transfer
48/ 3-4, 585-598
2005



65 一般論文

急拡大を伴う鉛直円管空気-水系気泡流に対する1次元2流体モデルの適用性

近藤宏一、吉田憲司、大川富雄、片岡勲
日本原子力学会和文論文誌
3/ 4, 323-330
2004



66 一般論文

Effects of a flow obstacle on the deposition rate of droplets in annular two-phase flow

Tomio Okawa, Akio Kotani, Naoya Shimada, Isao Kataoka
Journal of Nuclear Science and Technology
41/ 9, 871-879
2004



67 一般論文

Prediction of the critical heat flux in annular regime in various vertical channels

Tomio Okawa, Akio Kotani, Isao Kataoka, Masanori Naito
Nuclear Engineering and Design
229/ 2-3, 223-236
2004



68 一般論文

Prediction of critical heat flux in annular flow using a film flow model

Tomio Okawa, Akio Kotani, Isao Kataoka, Masanori Naito
Journal of Nuclear Science and Technology
40/ 6, 388-396
2003



69 一般論文

Temperature effect on single bubble rise characteristics in stagnant distilled water

Tomio Okawa, Tomoe Tanaka, Isao Kataoka, Michitsugu Mori
International Journal of Heat and Mass Transfer
46/ 5, 903-913
2003



70 一般論文

Flow structure and bubble characteristics of steam-water two-phase flow in a large-diameter pipe

Kimitoshi Yoneda, Akira Yasuo, Tomio Okawa
Nuclear Engineering and Design
217/ 3, 267-281
2002



71 一般論文

Bubble characteristics of steam-water two-phase flow in a large-diameter pipe

Kimitoshi Yoneda, Akira Yasuo, Tomio Okawa
Experimental Thermal and Fluid Science
26/ 6-7, 669-676
2002



72 一般論文

Prediction of dryout heat flux using film flow model

Tomio Okawa, Saeyun Kim, Isao Kataoka, Masanori Naitoh
Thermal Science and Engineering
10/ 4, 33-34
2002



73 一般論文

Numerical simulation of lateral distribution in turbulent upward bubbly two-phase flows

Tomio Okawa, Isao Kataoka, Michitsugu Mori
Nuclear Engineering and Design
213/ 2-3, 183-197
2002



74 一般論文

New entrainment rate correlation in annular two-phase flow applicable to wide range of flow condition

Tomio Okawa, Tsuyoshi Kitahara, Kenji Yoshida, Tadayoshi Matsumoto, Isao Kataoka
International Journal of Heat and Mass Transfer
45/ 1, 87-98
2002



75 一般論文

Critical power analysis with mechanistic models for nuclear fuel bundles (1st report, Models and verifications for boiling water reactor application)

Masanori Naitoh, Takashi Ikeda, Koji Nishida, Tomio Okawa, Isao Kataoka
Journal of Nuclear Science and Technology
39/ 1, 40-52
2002



76 一般論文

Numerical simulation of single bubbles located in turbulent flow in vertical pipes using bubble tracking method

Tomio Okawa, Koji Araki, Kenji Yoshida, Tadayoshi Matsumoto, Isao Kataoka, Michitsugu Mori
Japanese Journal of Multiphase Flow
15/ 2, 165-174
2001



77 一般論文

Photosynthetic productivity of conical helical tubular photobioreactors incorporating chlorella sp. under various culture medium flow conditions

Masahiko Morita, Yoshitomo Watanabe, Tomio Okawa, Hiroshi Saiki
Biotechnology and Bioengineering
74/ 2, 136-144
2001



78 一般論文

気泡流条件における二流体モデルの数学的適切性

大川富雄、片岡勲
機械学会論文集B編
66/ 646, 1281-1287
2000



79 一般論文

Numerical implementation of interfacial drag force for one-dimensional, two-way bubble tracking method

Tomio Okawa, Yumiko Suzuki, Isao Kataoka, Masanori Aritomi, Michitsugu Mori
Journal of Nuclear Science and Technology
37/ 4, 387-396
2000



80 一般論文

生成項および仮想質量力が二流体モデルの数学的性質に及ぼす影響(第2報:数学的性質の評価)

大川富雄、冨山明男
機械学会論文集B編
64/ 629, 86-91
1999



81 一般論文

New interfacial drag force model including effect of bubble wake (II), Model validation using experimental data of steam-water bubbly flow in large-diameter pipes

Tomio Okawa, Kimitoshi Yoneda, Shirong Zhou, Hiroaki Tabata
Journal of Nuclear Science and Technology
36/ 11, 1030-1040
1999



82 一般論文

CAESシャンペン現象の数値解析(第2報:実機評価)

大川富雄、田中伸和、山本亮介、松井剛一、文字秀明
機械学会論文集B編
64/ 628, 3964-3969
1998



83 一般論文

生成項および仮想質量力が二流体モデルの数学的性質に及ぼす影響(第1報:重力項の影響)

大川富雄、冨山明男
機械学会論文集B編
64/ 624, 2472-2477
1998



84 一般論文

CAESシャンペン現象の数値解析(第1報:解析モデルの開発と検証)

大川富雄、田中伸和、山本亮介、松井剛一、文字秀明
機械学会論文集B編
64/ 621, 1398-1404
1998



85 一般論文

New interfacial drag force model including effect of bubble wake (I), Model development for steam-water bubbly flow in large-diameter pipes

Tomio Okawa, Kimitoshi Yoneda, Yuzuru Yoshioka
Journal of Nuclear Science and Technology
35/ 12, 895-904
1998



86 一般論文

Applicability of high-order upwind difference methods to the two-fluid model

Tomio Okawa, Akio Tomiyama
Advances in Multiphase Flow
227-240
1995



87 一般論文

二流体モデルに対する高次風上差分法の適用性(第3報:数値解の精度に関する検討)

大川富雄、冨山明男
混相流
8/ 4, 291-300
1994



88 一般論文

二流体モデルに対する高次風上差分法の適用性(第2報:二流体モデル方程式に基づく考察)

大川富雄、冨山明男
混相流
8/ 2, 126-134
1994



89 一般論文

非圧縮性多次元二流体モデルの数値解法(構成方程式の評価に適する解法)

冨山明男、片岡勲、大川富雄、平野雅司
機械学会論文集B編
59/ 566, 3003-3008
1993



90 一般論文

二流体モデルに対する高次風上差分法の適用性(第1報:線形モデル方程式に基づく考察)

大川富雄、冨山明男
混相流
7/ 3, 241-249
1993



91 一般論文

二相流数値解析における質量保存式の選択が数値解に及ぼす影響

大川富雄、冨山明男
混相流
6/ 4, 395-405
1992



92 一般論文

Numerical experiment on interaction of solitons describing recurrence of initial state

Ryoichi Takahashi, Tomio Okawa
Computational Mechanics
5/ 4, 273-281
1989



93 国際会議プロシーディングス等

Variations of nanoparticle layer properties during nucleate
pool boiling
共著
Tomio Okawa, Koki Nakano, Yutaro Umehara
8th European Thermal Sciences Conference
TBA
2021/09



94 国際会議プロシーディングス等

Microscopic Heat Transfer Characteristics During Cooling of High Temperature Surface by a Falling Liquid Film
共著
Yutaro Umehara, Tomio Okawa
Proceedings of 28th International Conference on Nuclear Engineering (ICONE28)
ICONE28-61737
2021/08/04



95 国際会議プロシーディングス等

Experimental Observation of Nucleate Boiling Entrainment in a Liquid Film
共著
Junichi Tabuchi, Tomio Okawa
Proceedings of 28th International Conference on Nuclear Engineering (ICONE28)
ICONE28-63813
2021/08/04



96 国際会議プロシーディングス等

Numerical Investigation of Safety System Parameters in Molten Salt Reactor: Wall Effect on Freeze Valve Opening Time
共著
Muhammad Ilham, Tomio Okawa
Proceedings of 28th International Conference on Nuclear Engineering (ICONE28)
ICONE28-64134
2021/08/04



97 国際会議プロシーディングス等

Prediction of Extremely High Minimum Heat Flux Point During Quenching in Nanofluid
共著
Yutaro Umehara, Tomio Okawa
ASME Nuclear Engineering Conference powered by ICONE
published
2020



98 国際会議プロシーディングス等

Study on melting process of solid salt contained in metal vessel
共著
Tomio Okawa, Tatsuya Tokushima, Indarta Kuncoro Aji, and Mahammad Ilham
Advances in Thermal Hydraulics (ATH '20)
accepted
2020



99 国際会議プロシーディングス等

Photographic Study on the Onset of Significant Void in Water Subcooled Flow Boiling at Low Pressure
共著
Tomio Okawa, Yuya Endo, Hongji Li, and Hideki Takahashi
3rd International E-Conference on Advances in Engineering Technology and Management (ICETM 2020)
ICETM-20-116
2020/09/27



100 国際会議プロシーディングス等

Measurement of Capillary Wicking Height for
the Packed Bed of Nanoparticles

Tomio Okawa and Yutaro Umehara
International Conference on Engineering & Technology (ICET-20)
53-56
2020/02/28



101 国際会議プロシーディングス等

Characteristics of Secondary Drops Produced During Single Drop Impact onto A Liquid Film

Tomio Okawa, Sota Kitabayashi, Katsuyuki Kawai, Kohei Kubo
The 11th International Symposium on Measurement Techniques for Multiphase Flow
ISMTMF-0000
2019/11/05



102 国際会議プロシーディングス等

Temperature Distribution Measurement During Quenching of High-Temperature Wall with a Falling Liquid Film

Tomio Okawa, Keisuke Yamagata, Koji Enoki
18th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-18)
NURETH18-131-27709
2019/08/19



103 国際会議プロシーディングス等

Effect of Nanoparticle Layer Coating on Heat Transfer Performance of Heat Pipe
共著
T. Okawa, M. Wang, K. Enoki
Proceedings of 1st International Conference on Nanofluids (ICNf2019)
ICNf-S4-3
2019/06/26



104 国際会議プロシーディングス等

Convection Effect of the Freeze Valve Melting Process on Molten Salt Reactor
共著
Indarta Kuncoro Aji, Tokushima Tatsuya, Motoyasu Kinoshita, Koji Enoki, Tomio Okawa
Proceedings of 27th International Conference on Nuclear Engineering (ICONE27)
ICONE27-1346
2019/05/23



105 国際会議プロシーディングス等

EXPERIMENTAL EVALUATION OF HEAT TRANSFER DURING CLAD REWETTING
共著
Marco Pellegrini, Tomio Okawa
Proceedings of 27th International Conference on Nuclear Engineering (ICONE27)
ICONE27-2450
2019/05/21



106 国際会議プロシーディングス等

Experimental study on splash ratio and size of secondary droplets during liquid jet collision onto a solid surface
共著
Yi Zhan, Yusuke Kuwata, Kiyotaka Maruyama, Koji Enoki, Tomio Okawa, Mitsuhiro Aoyagi, Takashi Takata
Proceedings of 27th International Conference on Nuclear Engineering (ICONE27)
ICONE27-1055
2019/05/21



107 国際会議プロシーディングス等

Development of CHF prediction method based on film flow model coupled with heat transfer model
共著
Yuki Narushima, Kenichi Katono, Tomio Okawa
Proceedings of 27th International Conference on Nuclear Engineering (ICONE27)
ICONE27-1326
2019/05/20



108 国際会議プロシーディングス等

An experimental study of the freeze valve opening time with considering wall effect
共著
Tatsuya Tokushima, Indarta Kuncoro Aji, Koji Enoki, Motoyasu Kinoshita, Tomio Okawa
Proceedings of 27th International Conference on Nuclear Engineering (ICONE27)
ICONE27-1519
2019/05/20



109 国際会議プロシーディングス等

Experimental Evaluation of the Performance of Heat Pipes with Nanoparticle Layer
共著
Tomio Okawa, Menglei Wang, Koji Enoki
14th International Conference on Heat and Mass Transfer (WSEAS)
1-3
2018/12/20



110 国際会議プロシーディングス等

Toughness of Nanoparticle-Layer and Its Influence on Pool Boiling Heat Transfer in Nanofluids
共著
Tomio Okawa, Yosuke Watanabe, Koji Enoki
Proceedings of 11th Korea-Japan Symposium on Nuclear Thermal-Hydraulics And Safety (NTHAS-11)
NTHAS11
2018/11/21



111 国際会議プロシーディングス等

Studies on the Performance of the Heat Exchanger for Thermoacoustic Engines for LNG Cryogenic Energy Storage

Takuto Kobayashi, Koji Enoki, Yusuke Otomo, Yuki Ueda, Atsushi Akisawa, Tomio Okawa and Jumpei Kawasaki
29th International Symposium on Transport Phenomena
ISTP29-141
2018/11/02



112 国際会議プロシーディングス等

A Study on Splashing During Liquid Jet Impingement onto a Horizontal Plate
共著
Yusuke KUWATA, Yi ZHAN, Koji ENOKI, Tomio OKAWA, Mitsuhiro AOYAGI, Takashi TAKATA
12th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics, Operation and Safety
No. 1042
2018/10/16



113 国際会議プロシーディングス等

Void fraction and heat transfer in subcooled flow boiling
共著
Hiroki OHORI, Shintaro SAKAMOTO, Koji ENOKI, Tomio OKAWA
12th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics, Operation and Safety
No. 1058
2018/10/15



114 国際会議プロシーディングス等

Experimental and numerical investigation of the drainage time by freeze plug in molten salt reactors
共著
Tomio Okawa, Indarta Kuncoro Aji, Tatsuya Tokushima, Koji Enoki, Motoyasu Kinoshita
2nd International Conference on Energy Science (ICES)
Keynote Speech 1
2018/09/25



115 国際会議プロシーディングス等

Experimental determination of splashing limits during single drop impact onto a quiescent liquid film
共著
Tomio Okawa, Sota Kitabayashi, Koji Enoki
12th European Fluid Mechanics Conference (EFMC12)
Drops and bubbles 6-3
2018/09/10



116 国際会議プロシーディングス等

Phenomenological modelling of void development in subcooled flow boiling
共著
Tomio Okawa, Shintaro Sakamoto, Hiroki Ohori, Koji Enoki
International Seminar on nuclear Reactor Core and Thermal Hydraulics Analysis
ReCTHA LS-3-1
2018/08/30



117 国際会議プロシーディングス等

An Experimental Study on Freeze Valve Performance in a Molten Salt Reactor
共著
Indarta Kuncoro Aji, Tokushima Tatsuya, Motoyasu Kinoshita, Tomio Okawa
26th International Conference on Nuclear Engineering
ICONE26-81679
2018/07/24



118 国際会議プロシーディングス等

Modeling of Bubble Behavior in Low Void Fraction Subcooled Flow Boiling
共著
Shintaro Sakamoto, Hiroki Ohori, Koji Enoki, Tomio Okawa
26th International Conference on Nuclear Engineering
ICONE26-81173
2018/07/23



119 国際会議プロシーディングス等

CONTRIBUTION OF BUBBLE COALESCENCE TO NET VAPOR
GENERATION IN SUBCOOLED FLOW BOILING
共著
Tomio OKAWA, Hiroki OHORI, Sintaro SAKAMOTO, Koji
ENOKI
8th European-Japanese Two-Phase Flow Group Meeting
Boiling (II)-3
2018/04/22



120 国際会議プロシーディングス等

Observation and modeling of bubble behavior in subcooled flow boiling
共著
Tomio Okawa, Kazuhiro Kaiho, Shintaro Sakamoto, Hiroki Ohori, Koji Enoki
The 10th International Conference on Boiling and Condensation Heat Transfer
A464
2018/03/12



121 国際会議プロシーディングス等

Effect of surface properties on quenching characteristics of high-temperature body

Yutaro Umehara, Koji Enoki, Wei Liu, Tomio Okawa
10th International Symposium on Measurement Techniques for Multiphase Flow
accepted
2017



122 国際会議プロシーディングス等

Characteristics of Bubbles Produced At Nucleation Sites in Subcooled Flow Boiling

Tomio Okawa, Kazuhiro Kaiho, Shintaro Sakamoto, Koji Enoki
17th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-17)
N/A
2017/09



123 国際会議プロシーディングス等

Peeling of Nanoparticle Layer on a Heated Surface and Its Influence on Pool Boiling CHF

Tomio Okawa, Yosuke Watanabe, Koji Enoki
17th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-17)
N/A
2017/09



124 国際会議プロシーディングス等

Experiments on the Splashing Limit During Drop Impact Onto a Thin Liquid Film

Sota Kitabayashi, Koji Enoki, Tomio Okawa
25th International Conference on Nuclear Engineering (ICONE25)
ICONE25-67021
2017/07



125 国際会議プロシーディングス等

Splash During Liquid Jet Impingement Onto a Horizontal Plate

Yi Zhan, Naoki Oya, Koji Enoki, Tomio Okawa, Shuji Ohno, Mitsuhiro Aoyagi, Takashi Takata
25th International Conference on Nuclear Engineering (ICONE25)
ICONE25-66334
2017/07



126 国際会議プロシーディングス等

Bubble tracking simulation of subcooled flow boiling

Tomio Okawa, Kazuhiro Kaiho, Shintaro Sakamoto, Koji Enoki
Proceedings of Japan-U.S. Seminar on Two-Phase Flow Dynamics 2017
D2
2017/06/23



127 国際会議プロシーディングス等

Stable, calm, and high-heat-flux heat removal using a porous-microchannel
共著
Tomio Okawa, Junki Ohashi, Ryo Hirata, Koji Enoki
Proceedings of 4th International Workshop on Heat Transfer (IWHT)
TFEC-IWHT2017-18154
2017/04/02



128 国際会議プロシーディングス等

Production of droplets during liquid jet impingement onto a flat plate
共著
Yi Zhan, Naoki Oya, Koji Enoki, Tomio Okawa, Shuji Ohno, Mitsuhiro Aoyagi, Takashi Takata
10th Japan-Korea Symposium on Nuclear Thermal Hydraulics and Safety (NTHAS10)
N10P1122
2016/11/29



129 国際会議プロシーディングス等

Visualization of Bubbles in Water Subcooled Flow Boiling for Highly Accurate Estimation of Void Fraction
共著
Kazuhiro Kaiho, Shintaro Sakamoto, Koji Enoki, Tomio Okawa
10th Japan-Korea Symposium on Nuclear Thermal Hydraulics and Safety (NTHAS10)
N10P1121
2016/11/29



130 国際会議プロシーディングス等

Boiling Heat Transfer and Flow Regime of Water Flowing Vertically Upward in a Mini-Channel
共著
Masaharu Ono, Taichi Nakamura, Koji Enoki, Tomio
Okawa, Mamoru Ozawa
The Fourth International Forum on Heat Transfer (IFHT2016)
2037
2016/11/02



131 国際会議プロシーディングス等

Accurate Estimation of Vaporization Rate in Subcooled Flow Boiling Based on the Results of Visualization Experiment
共著
Kazuhiro Kaiho, Tomio Okawa, and Koji Enoki
24th International Conference on Nuclear Engineering (ICONE24)
ICONE24-60318
2016/06/27



132 国際会議プロシーディングス等

Experimental Study on Splashing During Liquid Jet Impingement Onto a Liquid Film
共著
Zhan Yi, Naoki Oya, Koji Enoki, Tomio Okawa, Shuji Ohno, and Mitsuhiro Aoyagi
24th International Conference on Nuclear Engineering (ICONE24)
ICONE24-60033
2016/06/27



133 国際会議プロシーディングス等

Numerical Simulation of Subcooled Flow Boiling Using a Bubble Tracking Method
共著
Tomio Okawa, Naoki Miyano, Kazuhiro Kaiho, and Koji Enoki
24th International Conference on Nuclear Engineering (ICONE24)
ICONE24-60088
2016/06/27



134 国際会議プロシーディングス等

High-heat-flux heat removal using a porous-micro-channel

Junki Ohashi, Akihiro Tsukamoto, Koji Enoki, Tomio Okawa
Proceedings of 20th Pacific Basin Nuclear Conference
PBNC2016
2016/04/26



135 国際会議プロシーディングス等

Splashing during liquid jet impact onto a horizontal wall

Tomio Okawa, Naoki Oya, Shuji Ohno, Mitsuhiro Aoyagi
European-Japanese Two-Phase Flow Group Meeting
Paper No. 50
2015



136 国際会議プロシーディングス等

Study of bubble lift-off from a vertical heated surface in pool boiling

Naoki Miyano, Tomio Okawa, Takafumi Suginaka
23rd International Conference on Nuclear Engineering
ICONE23-1121
2015



137 国際会議プロシーディングス等

Visualization of bubble nucleation process during water subcooled flow boiling using a transparent heated surface

Kazuhiro Kaiho, Tomoyuki Kajihara, Tomio Okawa
23rd International Conference on Nuclear Engineering
ICONE23-1121
2015



138 国際会議プロシーディングス等

Effect of Interfacial Pressure Term on Numerical Stability of a Two-Fluid Model
共著
Tomio Okawa, Yoshiro Kudo
Proceedings of 22nd International Conference on Nuclear Engineering (ICONE22)
ICONE22‑30580
2014



139 国際会議プロシーディングス等

A Study on High Heat Flux Heat Removal With Boiling Using Porous Microchannel [Student Paper Competition: Best Poster Award]
共著
Daiki Hanzawa, Kyosuke Katsumata, Tomio Okawa
Proceedings of 22nd International Conference on Nuclear Engineering (ICONE22)
ICONE22‑30104
2014



140 国際会議プロシーディングス等

Experimental study on the critical heat flux and heat transfer coefficient in nanofluid pool boiling
共著
Tomio Okawa, Muhamad Zuhairi Bin Sulaiman, Daisuke Matsuo
10th International Topical Meeting on Nuclear Thermal Hydraulics, Operation and Safety (NUTHOS-10)
NUTHOS10-1346
2014



141 国際会議プロシーディングス等

Investigation on the mechanisms of bubble lift-off from a vertical heated surface in subcooled pool boiling
共著
Naoki Miyano, Tomio Okawa, Takafumi Suginaka
10th International Topical Meeting on Nuclear Thermal Hydraulics, Operation and Safety (NUTHOS-10)
NUTHOS10-1117
2014



142 国際会議プロシーディングス等

A Study on the Effects of Heated Surface Wettability on Nucleation Characteristics in Subcooled Flow Boiling [Best Student Paper Award]
共著
Tomoyuki Kajihara, Tomio Okawa, Kazuhiro Kaiho
10th International Topical Meeting on Nuclear Thermal Hydraulics, Operation and Safety (NUTHOS-10)
NUTHOS10-1065
2014



143 国際会議プロシーディングス等

An experimental study on bubble dynamics and void development in subcooled flow boiling

Tomio Okawa, Rouhollah Ahmadi, Tatsuya Ueno
6th Japanese-European Two-Phase Flow Group Meeting
Paper No. III-1
2012/09



144 国際会議プロシーディングス等

Visualization of bubble dynamics in water subcooled flow boiling at low pressure

Rouhollah Ahmadi, Tatsuya Ueno, Tomio Okawa
20th International Conference on Nuclear Engineering
Paper No. ICONE20POWER2012-54727
2012/07



145 国際会議プロシーディングス等

Reducing two-phase pressure drop with a flow channel of non-uniform wettability in the circumferential direction

Tomio Okawa, Takahiro Kinoshita, Kazuki Takeda
2012 Japan-U.S. seminar on Two-Phase flow Dynamics
Paper No. T07
2012/06



146 国際会議プロシーディングス等

Nucleate boiling heat transfer and critical heat flux in titanium dioxide-water nano-fluids

Tomio Okawa, Masahiro Takamura, Takahito Kamiya
19th International Conference on Nuclear Engineering
Paper No. 43852-
2011/10



147 国際会議プロシーディングス等

Bubble behavior in subcooled flow boiling in a vertical rectangular channel

Rouhollah Ahmadi, Tatsuya Ueno, Tomio Okawa
19th International Conference on Nuclear Engineering
Paper No. 43556-
2011/10



148 国際会議プロシーディングス等

Void fraction evolution in subcooled flow boiling under low-pressure and low-flowrate condition

Tomio Okawa, Rouhollah Ahmadi, Yosuke Yamagoe
14th International Topical Meeting on Nuclear Reactor Thermalhydraulics
Paper No. 117-
2011/09



149 国際会議プロシーディングス等

Time scale required for CHF enhancement in titanium dioxide-water nanofluid

Tomio Okawa, Masahiro Takamura, Takahito Kamiya
7th Japan-Korea Symposium on Nuclear Thermal Hydraulics and Safety
Paper No. N7P0008-
2010/11



150 国際会議プロシーディングス等

Influence of Mass Flux on Bubble Interaction During Subcooled Flow Boiling

Rouhollah Ahmadi, Yosuke Yamagoe, Tomio Okawa
7th Japan-Korea Symposium on Nuclear Thermal Hydraulics and Safety
Paper No. N7P0026-
2010/11



151 国際会議プロシーディングス等

Experimental studies on pool boiling characteristics of titanium dioxide-water nano-fluids

Tomio Okawa, Takahito Kamiya
18th International Conference on Nuclear Engineering
Paper No. 30157-
2010/05



152 国際会議プロシーディングス等

Measurement of droplet deposition in a small vertical tube

Tomio Okawa, Toshihiro Murakami, Rei Takei
13th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics
Paper No. N13P1075-
2009/09



153 国際会議プロシーディングス等

A simple model for the dryout heat flux under oscillatory flow conditions

Tomio Okawa, Toshihiro Murakami and Isao Kataoka
5th European-Japanese Two-Phase flow Group Meeting
Paper No. F1 (8 pages)-
2009/09



154 国際会議プロシーディングス等

Experimental study on liquid film dryout under oscillatory flow conditions

Yosuke Yamagoe, Taisuke Goto, Tomio Okawa
17th International Conference on Nuclear Engineering
Paper No. 75400-
2009/07



155 国際会議プロシーディングス等

Variation of critical heat flux by flow oscillation in a small vertical channel

Toshihiro Murakami, Rei Takei, Tomio Okawa
17th International Conference on Nuclear Engineering
Paper No. 75147-
2009/07



156 国際会議プロシーディングス等

Photographic study on bubble motion in subcooled pool boiling

Tomio Okawa, Takahiro Harada, Yuta Koutsusa
17th International Conference on Nuclear Engineering
Paper No. 75387-
2009/07



157 国際会議プロシーディングス等

Research on hyper ABWR plants of extended core power density

T. Okamoto, A. Hotta, T. Ama, H. Ikeda, K. Mishima, A. Tomiyama, T. Okawa, Y. Kudo, Y. Yamamoto, Y. Takeuchi, M. Chaki
6th Japan-Korea Symposium on Nuclear Thermal Hydraulics and Safety
Paper No. N6P1122-
2008/11



158 国際会議プロシーディングス等

Measurement of the rate of droplet deposition in vertical upward and downward annular flows

Toshihiro Murakami, Rei Takei, Tomio Okawa
6th Japan-Korea Symposium on Nuclear Thermal Hydraulics and Safety
Paper No. N6P1125-
2008/11



159 国際会議プロシーディングス等

Mechanism of the onset of film dryout under flow oscillation condition

Taisuke Goto, Jun Minamitani, Tomio Okawa
6th Japan-Korea Symposium on Nuclear Thermal Hydraulics and Safety
Paper No. N6P1045-
2008/11



160 国際会議プロシーディングス等

Dependence of bubble behavior in subcooled boiling on surface wettability

Takahiro Harada, Hiroshi Nagakura, Tomio Okawa
6th Japan-Korea Symposium on Nuclear Thermal Hydraulics and Safety
Paper No. N6P1030-
2008/11



161 国際会議プロシーディングス等

A numerical study on the mechanism of vapor bubble lift-off from a flat plate

Tomio Okawa, Kosuke Hayashi, Akio Tomiyama
6th Japan-Korea Symposium on Nuclear Thermal Hydraulics and Safety
Paper No. N6P1024-
2008/11



162 国際会議プロシーディングス等

Numerical simulation of single drop impingement onto a plane liquid surface

Tomio Okawa
22nd European Conference on Liquid Atomization and Spray Systems
Paper ID ILASS08-9-3-
2008/09



163 国際会議プロシーディングス等

Bubble Size Effect on Dust Removal Efficiency of Water-Filter

Yasuhiro Sago, Tomio Okawa, Isao Kataoka
18th International Symposium on Transport Phenomena
Paper No. 290-
2007/08



164 国際会議プロシーディングス等

Visualization of Vapor Bubble Lift-off from a Vertical Heated Surface

Hiroshi Nagakura, Hayato Kubota, Tomio Okawa, Isao Kataoka
18th International Symposium on Transport Phenomena
Paper No. 285-
2007/08



165 国際会議プロシーディングス等

Single water drop impingement onto a falling water film

Tomio Okawa, Takuya Shiraishi, Takeshi Tada, Isao Kataoka
5th Joint ASME/JSME Fluids Engineering Conference
Paper No. 37528-
2007/07



166 国際会議プロシーディングス等

Visualization of the impacts of single water drops onto falling water films

Takuya Shiraishi, Takeshi Tada, Tomio Okawa, Isao Kataoka
6th International Conference on Multiphase Flow
Paper No. S4_Wed_C_40-
2007/07



167 国際会議プロシーディングス等

Measurement of local instantaneous film thickness in steam-water annular flow

Jun Minamitani, Takayuki Fujita, Tomio Okawa, Isao Kataoka
6th International Conference on Multiphase Flow
Paper No. S5_Thu_B_52-
2007/07



168 国際会議プロシーディングス等

Effect of flow direction on the deposition rate of droplets in vertical annular flow

Tomio Okawa
6th International Conference on Multiphase Flow
Paper No. S5_Thu_B_50-
2007/07



169 国際会議プロシーディングス等

Considering the possibility of secondary entrainment in annular flow

Tomio Okawa, Takuya Shiraishi, Toshiaki Mori
4th UK-Japan Seminar on Multiphase Flow
Presentation Only-
2007/07



170 国際会議プロシーディングス等

On the deposition rate of droplets in annular flow around a flow obstacle

Tomio Okawa, Takayuki Fujita, Jun Minamitani, Isao Kataoka
4th European-Japanese Two-Phase flow Group Meeting
7 pages-
2006/09



171 国際会議プロシーディングス等

A study on secondary drops produced by droplet collision with a liquid film

Tomio Okawa, Toshiaki Mori, Takuya Shiraishi, Isao Kataoka
2006 ASME Joint U.S. - European Fluids Engineering Summer Meeting
Paper No. 98520-
2006/07



172 国際会議プロシーディングス等

Effect of obstacle shape on the deposition rate in annular two-phase flow

Takayuki Fujita, Jun Minamitani, Tomio Okawa, Isao Kataoka
14th International Conference on Nuclear Engineering
Paper No. 89265-
2005/10



173 国際会議プロシーディングス等

Dependence of vapor void fraction on fundamental bubble parameters in subcooled flow boiling

Hayato Kubota, Tatsuhiro Ishida, Tomio Okawa, Isao Kataoka, Michitsugu Mori
14th International Conference on Nuclear Engineering
Paper No. 89208-
2005/10



174 国際会議プロシーディングス等

Measurement of the deposition rate of droplets in a vertical tube containing a flow obstacle

Tomio Okawa, Akio Kotani, Naoya Shimada, Isao Kataoka
11th International Topical Meeting on Nuclear Reactor Thermal Hydraulics
Paper No. 356-
2005/10



175 国際会議プロシーディングス等

Experimental investigation of droplet mass transfer rate in annular flow

Tomio Okawa
6th Japan-UK Mini-Seminar on Multiphase Flow
Paper No. 105-
2005/09



176 国際会議プロシーディングス等

Experiments of water drop impingement on a plane water surface

Tomio Okawa, Toshiaki Mori, Isao Kataoka
4th World Congress on Industrial Process Tomography
Paper No. VIA11-
2005/09



177 国際会議プロシーディングス等

An experimental study on the mass transfer rate of droplets in annular two-phase flow

Tomio Okawa, Naoya Shimada, Akio Kotani, Isao Kataoka
13th International Conference on Nuclear Engineering
Paper No. 50726-
2005/05



178 国際会議プロシーディングス等

An experimental study on the collision of water drops with a plane water surface

Tomio Okawa, Toshiaki Mori, Isao Kataoka
13th International Conference on Nuclear Engineering
Paper No. 50724-
2005/05



179 国際会議プロシーディングス等

A study on bubble motion in turbulent flow field for predicting multi-dimensional void fraction distribution in sudden expansion channel

Koichi Kondo, Kenji Yoshida, Tomio Okawa, Isao Kataoka
13th International Conference on Nuclear Engineering
Paper No. 50644-
2005/05



180 国際会議プロシーディングス等

On the growth of vapor void fraction with wall heat flux in subcooled upward flow boiling

Tomio Okawa, Tatsuhiro Ishida, Isao Kataoka, Michitsugu Mori
6th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics
Paper No. 4-a-6-
2005/04



181 国際会議プロシーディングス等

Prediction of void fraction distribution in sudden expansion channel

Koichi Kondo, Kenji Yoshida, Tomio Okawa, Isao Kataoka
6th KSME-JSME Thermal and Fluids Engineering Conference
不明-
2005/03



182 国際会議プロシーディングス等

Visual experimental study on the growth of vapor void fraction in subcooled flow boiling

Tomio Okawa, Tatsuhiro Ishida, Isao Kataoka, Michitsugu Mori
US-Japan Joint Seminar of Two-Phase Flow Dynamics
Vol. 1, 113-122
2004/12



183 国際会議プロシーディングス等

Local measurement and numerical calculation on turbulent two-phase flow in a vertical pipe with sudden expansion

Koichi Kondo, Kenji Yoshida, Tomio Okawa, Isao Kataoka
6th International Topical Meeting on Nuclear Reactor Thermal Hydraulics, Operation and Safety
Paper No. N6P288-
2004/10



184 国際会議プロシーディングス等

Current status of generalized boiling transition model development applicable to a wide variety of fuel bundle geometry

Hisashi Ninokata, Michio Sadatomi, Tomio Okawa, Akimi Serizawa, Kaichiro Mishima, Seiichi Koshizuka, Akio Tomiyama, Yasushi Yamamoto, Yoshiro Kudo, Akitoshi Hotta, Koji Nishida, Noriyuki Shirakawa
6th International Topical Meeting on Nuclear Reactor Thermal Hydraulics, Operation and Safety
Paper No. N6P363-
2004/10



185 国際会議プロシーディングス等

Correlation for the deposition rate of droplets in vertical upward annular two-phase flow

Tomio Okawa, Akio Kotani, Isao Kataoka
6th International Topical Meeting on Nuclear Reactor Thermal Hydraulics, Operation and Safety
Paper No. N6P144-
2004/10



186 国際会議プロシーディングス等

Experiments for deposition rate of droplets in a small diameter tube

Tomio Okawa, Akio Kotani, Isao Kataoka
6th International Topical Meeting on Nuclear Reactor Thermal Hydraulics, Operation and Safety
Paper No. N6P143-
2004/10



187 国際会議プロシーディングス等

Bubble rise characteristics after the departure from a nucleation site in water saturated and subcooled flow boiling

Tomio Okawa, Tatsuhiro Ishida, Isao Kataoka, M. Mori
3rd International Symposium on Two-Phase Flow Modelling and Experimentation
Paper No. jp32-
2004/09



188 国際会議プロシーディングス等

Prediction of void fraction distribution for turbulent bubble flow in a vertical pipe with sudden expansion

Koichi Kondo, Kenji Yoshida, Tomio Okawa, Isao Kataoka
3rd International Symposium on Two-Phase Flow Modelling and Experimentation
Paper No. jp35-
2004/09



189 国際会議プロシーディングス等

Bubble distributions of upward gas-liquid two-phase flow in a vertical pipe with sudden expansion

Koichi Kondo, Kenji Yoshida, Tomio Okawa, Isao Kataoka
5th International Conference on Multiphase Flow
Paper No. 114-
2004/05



190 国際会議プロシーディングス等

Experiments for equilibrium entrainment fraction in a small vertical tube

Tomio Okawa, Akio Kotani, Isao Kataoka
5th International Conference on Multiphase Flow
Paper No. 224-
2004/05



191 国際会議プロシーディングス等

Development of generalized boiling transition model applicable to wide variety of BWR-type fuel bundle geometry

Hisashi Ninokata, Michio Sadatomi, Tomio Okawa, Akimi Serizawa, Kaichiro Mishima, Seiichi Koshizuka, Yoshino Kudo, Akitoshi Hotta, Shinichi Morooka, Yasushi Yamamoto, Noriyuki Shirakawa, Koji Nishida
10th International Topical Meeting on Nuclear Reactor Thermal Hydraulics
Paper No. D00307-
2003/10



192 国際会議プロシーディングス等

Bubble behavior after the detachment from nucleation site in vertical upflow boiling

Tomio Okawa, Kazuhiro Torimoto, Masanori Nishiura, Isao Kataoka, Michitsugu Mori
10th International Topical Meeting on Nuclear Reactor Thermal Hydraulics
Paper No. C00103-
2003/10



193 国際会議プロシーディングス等

Prediction of dryout heat flux in vertical round tubes with uniform and non-uniform heating

Tomio Okawa, Akio Kotani, Isao Kataoka, Masanori Naito
10th International Topical Meeting on Nuclear Reactor Thermal Hydraulics
Paper No. C00203-
2003/10



194 国際会議プロシーディングス等

An experimental study on bubble rise path after the departure from a nucleation site in vertical upflow boiling

Tomio Okawa, Tatsuhiro Ishida, Isao Kataoka, Michitsugu Mori
3rd European-Japanese Two-Phase Flow Group Meeting
7 pages-
2003/09



195 国際会議プロシーディングス等

Development of generalized boiling transition model applicable for wide variety of fuel bundle geometries

Hisashi Ninokata, Michio Sadatomi, Tomio Okawa, Akimi Serizawa, Kaichiro Mishima, Seiichi Koshizuka, Yoshino Kudo, Akitoshi Hotta, Shinichi Morooka, Yasushi Yamamoto, Noriyuki Shirakawa, Koji Nishida
International Conference on Global Environment and Advanced Nuclear Power Plants
Paper No. 1013-
2003/09



196 国際会議プロシーディングス等

Prediction of multi-dimensional void fraction distribution in upward bubbly two-phase flow with sudden expansion

Koichi Kondo, Kenji Yoshida, Tomio Okawa, Tadayoshi Matsumoto, Isao Kataoka
International Conference on Global Environment and Advanced Nuclear Power Plants
Paper No. 1112-
2003/09



197 国際会議プロシーディングス等

Numerical prediction of dryout heat flux in vertical uniformly heated round tubes

Tomio Okawa, Akio Kotani, Isao Kataoka, Masanori Naito
International Conference on Global Environment and Advanced Nuclear Power Plants
Paper No. 1075-
2003/09



198 国際会議プロシーディングス等

Phase distribution of air-water bubbly flow in a vertical pipe with an axisymmetric sudden expansion

Koichi Kondo, Kenji Yoshida, Tomio Okawa, Tadayoshi Matsumoto, Isao Kataoka
FEDSM2003/4th ASME-JSME Joint Fluids Engineering Conference
Paper No. 45374-
2003/07



199 国際会議プロシーディングス等

Applicability of two-fluid model and its constitutive equations to gas-liquid two-phase flow in sudden expansion

Isao Kataoka, Koichi Kondo, Kenji Yoshida, Tomio Okawa
11th International Conference on Nuclear Engineering
Paper No. 36187-
2003/04



200 国際会議プロシーディングス等

An experimental study on bubble behavior in a vertical round tube

Msanori Nishiura, Kazuhiro Torimoto, Tomio Okawa, Isao Kataoka
5th JSME-KSME Fluids Engineering Conference
6 pages-
2002/11



201 国際会議プロシーディングス等

Prediction of critical heat flux in vertical annular flow

Tomio Okawa, Isao Kataoka, Masanori Naitoh
5th JSME-KSME Fluids Engineering Conference
6 pages-
2002/11



202 国際会議プロシーディングス等

An experimantal study on obstacle effects on boiling from hemispherical downward heating surface supposing IVR-AM

Kenji Yoshida, Tadayoshi Matsumoto, Tomio Okawa, Isao Kataoka
3rd Korea-Japan Symposium on Nuclear Thermal Hydraulics and Safety
384-389
2002/10



203 国際会議プロシーディングス等

Flow characteristics and pressure drop of gas-liquid slug flow in micro channel

Isao Kataoka, Takashi Kuramoto, Masahiro Awane, Tadayoshi Matsumoto, Tomio Okawa, Kenji Yoshida
4th Pacific Rim Thermal Science and Energy Engineering Workshop
130-135
2002/10



204 国際会議プロシーディングス等

Interfacial drag in two-phase flow analysis for secondary side in steam generator

M. Murase, Y. Yagi, A. Nakamura, Y. Fujii, I. Kataoka, T. Okawa
3rd Korea-Japan Symposium on Nuclear Thermal Hydraulics and Safety
不明-
2002/10



205 国際会議プロシーディングス等

Experimental observation of single bubble rise characteristics in various situations

Tomio Okawa, Tomoe Tanaka, Kazuhiro Torimoto, Masanori Nishiura, Isao Kataoka
ASME Fluids Engineering Division Summer Meeting
Paper No. 31149-
2002/07



206 国際会議プロシーディングス等

Measurements of bubble rise characteristics in various temperatures and liquid velocities

Kazuhiro Torimoto, Masanori Nishiura, Tomoe Tanaka, Tomio Okawa, Isao Kataoka
10th International Conference on Nuclear Engineering
Paper No. 22759-
2002/04



207 国際会議プロシーディングス等

Effects of temperature and containing wall on rise velocities of single bubbles in a vertical circular pipe

Tomio Okawa, Kazuhiro Torimoto, Masanori Nishiura, Isao Kataoka, Michitsugu Mori
10th International Conference on Nuclear Engineering
Paper No. 22492-
2002/04



208 国際会議プロシーディングス等

Mechanistic prediction of dryout heat flux in annular two-phase flow

Tomio Okawa, Saeyun Kim, Isao Kataoka, Masanori Naitoh
10th International Conference on Nuclear Engineering
Paper No. 22282-
2002/04



209 国際会議プロシーディングス等

Flow patterns of gas-liquid two-phase flow in round tube with sudden expansion

Koichi Kondo, Kenji Yoshida, Tadayoshi Matsumoto, Tomio Okawa, Isao Kataoka
10th International Conference on Nuclear Engineering
Paper No. 22154-
2002/04



210 国際会議プロシーディングス等

A study on bubbly two-phase flow in transient conditions

Tadayoshi Matsumoto, Yoshihiro Tsujita, Minoru Nakazumi, Tomio Okawa, Isao Kataoka
UK-Japan Seminar on Multiphase Flow
Paper No. 07-
2001/09



211 国際会議プロシーディングス等

Experimental observation of bubble motion in a vertical pipe

Tomio Okawa, Kazuhiro Torimoto, Masanori Nishiura, Tomoe Tanaka, Isao Kataoka, Michitsugu Mori
UK-Japan Seminar on Multiphase Flow
Paper No. 26-
2001/09



212 国際会議プロシーディングス等

Interfacial forces acting on a bubble in vertical upflow

Tomio Okawa, Minoru Nakazumi, Kenji Yoshida, Tadayoshi Matsumoto, Isao Kataoka, Michitsugu Mori
ASME Fluids Engineering Division Summer Meeting
ASME-FED, Vol. 254, pp. 1-6-
2001/05



213 国際会議プロシーディングス等

Bubble characteristics of steam-water two-phase flow in a large-diameter pipe

Kimitoshi Yoneda, Akira Yasuo, Tomio Okawa
4th International Conference on Multiphase Flow
Paper No. 431-
2001/05



214 国際会議プロシーディングス等

A simple correlation of droplet entrainment in annular-dispersed two-phase flows

Tomio Okawa, Tsuyoshi Kitahara, Kenji Yoshida, Tadayoshi Matsumoto, Isao Kataoka
4th International Conference on Multiphase Flow
Paper No. 396-
2001/05



215 国際会議プロシーディングス等

On modeling of interfacial forces acting on single bubbles in a turbulent flow field

Tomio Okawa, Minoru Nakazumi, Kenji Yoshida, Tadayoshi Matsumoto, Isao Kataoka, Michitsugu Mori
4th International Conference on Multiphase Flow
Paper No. 397-
2001/05



216 国際会議プロシーディングス等

Improved correlations for annular flow simulation in annuli based on a one-dimensional multi-fluid model

Tsuyoshi Kitahara, Tomio Okawa, Kenji Yoshida, Tadayoshi Matsumoto, Isao Kataoka
4th International Conference on Multiphase Flow
Paper No. 390-
2001/05



217 国際会議プロシーディングス等

Numerical analysis on the flow and heat transfer characteristics of annular steam-water flow in annulus pipe

Tsuyoshi Kitahara, Kenji Yoshida, Tomio Okawa, Tadayoshi Matsumoto, Isao Kataoka
4th JSME-KSME Thermal Engineering Conference
Paper No. H209-
2000/10



218 国際会議プロシーディングス等

Experimental studies on the effect of liquid film to gas-phase turbulence modification in two-phase annular flow

K. Yoshida, S. Arai, T. Matsumoto, T. Okawa, I. Kataoka
2nd Japan-Korea Symposium on Nuclear Thermal-Hydraulics and Safety
666-670
2000/10



219 国際会議プロシーディングス等

Analysis of void fraction and turbulence structure in boiling two-phase flow in various channel geometry

Isao Kataoka, Masayoshi Muta, Saeyun Kim, Kenji Yoshida, Tadayoshi Matsumoto, Tomio Okawa
2nd Japan-Korea Symposium on Nuclear Thermal-Hydraulics and Safety
430-437
2000/10



220 国際会議プロシーディングス等

New correlation for droplet flow rate in fully-developed annular-dispersed flow

Tomio Okawa, Isao Kataoka
2nd Japan-Korea Symposium on Nuclear Thermal-Hydraulics and Safety
444-449
2000/10



221 国際会議プロシーディングス等

A study on flow behavior of gas-liquid two-phase slug flow in micro channel

Isao Kataoka, Nobuhiko Miyamoto, Takashi Kuramoto, Tadayoshi Matsumoto, Tomio Okawa, Kenji Yoshida
2nd Japan-Korea Symposium on Nuclear Thermal-Hydraulics and Safety
438-443
2000/10



222 国際会議プロシーディングス等

Mechanistic correlation of entrainment fraction in equilibrium annular flow

Tomio Okawa, Isao Kataoka, Tsuyoshi Kitahara, Kenji Yoshida, Tadayoshi Matsumoto
2nd Japanese-European Two-Phase Flow Group Meeting
8 pages-
2000/09



223 国際会議プロシーディングス等

Multi-fluid modeling of annular-dispersed two-phase flow in various channel geometry

Kenji Yoshida, Tomio Okawa, Tsuyoshi Kitahara, Tadayoshi Matsumoto, Isao Kataoka
US-Japan Joint Seminar of Two-Phase Flow Dynamics
299-303
2000/06



224 国際会議プロシーディングス等

On modeling of interfacial forces for a two-way bubble tracking method

Tomio Okawa, Koji Araki, Isao Kataoka, Michitsugu Mori
ASME Fluids Engineering Division Summer Meeting
ASME-FED Vol. 251, pp. 1-6-
2000/06



225 国際会議プロシーディングス等

Numerical simulation of annular-dispersed flows in round tubes and annuli using a multi-fluid model

Tomio Okawa, Tsuyoshi Kitahara, Kenji Yoshida, Tadayoshi Matsumoto, Isao Kataoka
3rd UK-Japan Seminar on Multiphase Flow
6 pages-
2000/06



226 国際会議プロシーディングス等

Flow structure of developing steam-water two-phase flow in a large-diameter pipe

Kimitoshi Yoneda, Akira Yasuo, Tomio Okawa, Shirong Zhou
8th International Conference on Nuclear Engineering
Paper No. 8330-
2000/04



227 国際会議プロシーディングス等

Characteristics and stability of a two-fluid model for bubbly two-phase flow

Tomio Okawa, Isao Kataoka
8th International Conference on Nuclear Engineering
Paper No. 8058-
2000/04



228 国際会議プロシーディングス等

Analysis and prediction of DNB based on turbulence structure in boiling two-phase flow

I. Kataoka, M. Muta, S. Kim, K. Yoshida, T. Matsumoto, T. Okawa
3rd International Symposium on Turbulence, Heat and Mass Transfer
899-906
2000/04



229 国際会議プロシーディングス等

Numerical simulation of rising bubbles using an Euler-Lagrange method

Yumiko Suzuki, Masanori Aritomi, Tomio Okawa
9th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics
不明-
1999/10



230 国際会議プロシーディングス等

New interfacial drag force model for steam-water bubbly flow in large-diameter pipes

Tomio Okawa, Kimitoshi Yoneda, Yuzuru Yoshioka
7th International Conference on Nuclear Engineering
Paper No. C7-1
1999/04



231 国際会議プロシーディングス等

Effects of source terms and virtual mass force on mathematical characteristics of a two-fluid model

Tomio Okawa, Akio Tomiyama
3rd International Conference on Multiphase Flow
Paper No. 162-
1998/06



232 国際会議プロシーディングス等

Numerical simulation of CAES champagne effect based on a two-fluid model

Tomio Okawa, Nobukazu Tanaka, Ryosuke Yamamoto, Goichi Matsui, Hideaki Monji
1st European-Japanese Two-Phase Flow Group Meeting
8 pages-
1998/06



233 国際会議プロシーディングス等

Structure of steam-water two-phase flow in a vertical pipe

Kimitoshi Yoneda, Tomio Okawa, Akira Yasuo
6th International Conference on Nuclear Engineering
不明-
1998/04



234 国際会議プロシーディングス等

Effects of source terms and virtual mass force on mathematical nature of a two-fluid model

Tomio Okawa, Akio Tomiyama
2nd Japanese-German Symposium on Multi-Phase Flow
311-322
1997/09



235 国際会議プロシーディングス等

Structure of natural-circulation bubbly flow

Kimitoshi Yoneda, Tomio Okawa, Akira Yasuo
2nd Japanese-German Symposium on Multi-Phase Flow
1-9
1997/09



236 国際会議プロシーディングス等

Flow structure of bubble-induced natural-circulation

Tomio Okawa, Kimitoshi Yoneda, Akira Yasuo
5th International Conference on Nuclear Engineering
Paper No. 2309-
1997/05



237 国際会議プロシーディングス等

Numerical simulation of champagne effect in compressed air energy storage system

Goichi Matsui, Hideaki Monji, Nobukazu Tanaka, Tomio Okawa, Kiyoshi Kanzaki
Japan-U.S. Seminar on Two-Phase Flow Dynamics
163-169
1996/10



238 国際会議プロシーディングス等

Effects of wall friction force on numerical stability of a two-fluid model

Tomio Okawa, Akio Tomiyama
ASME Fluids Engineering Division Summer Meeting
ASME-FED, Vol. 236, pp. 81-86-
1996/06



239 国際会議プロシーディングス等

Compressed air energy storage system two-phase flow experiment

Hiroshige Kumamaru, Iwao Ohtsu, Hideo Murata, Yutaka Kukita, Mamoru Akiyama, Hirotada Ohashi, Masaharu Goto, Nobukazu Tanaka, Tomio Okawa, Yuji Ono, Toshiyuki Hatta, Kazuyuki Yoneyama
4th International Conference on Nuclear Engineering
Vol. 1, Part B, 669-674
1996/04



240 国際会議プロシーディングス等

Gas-liquid two-phase flow in large space (Basic examination based on a two-dimensional, air-water experiment)

Tomio Okawa, Fumio Inada
3rd International Conference on Nuclear Engineering
137-142
1995/04



241 国際会議プロシーディングス等

Applicability of high-order upwind difference methods to the two-fluid model

Tomio Okawa, Akio Tomiyama
2nd International Conference on Multiphase Flow
15-22
1995/04



242 国際会議プロシーディングス等

Thermo-hydraulic instability of natural circulation BWRs (Explanation on instability mechanisms at start-up by homogeneous and thermo-dynamic equilibrium model considering flashing effect)

Fumio Inada, Tomio Okawa
International Conference on New Trends in Nuclear System Thermohydraulics
187-193
1994/06



243 国際会議プロシーディングス等

Applicability of high-order upwind difference methods to two-fluid model (Examination based on a linear model equation)

Tomio Okawa, Akio Tomiyama
ASME Fluids Engineering Division Summer Meeting (ASME-FED Vol. 185)
209-215
1994/06



244 国際会議プロシーディングス等

Effects of mass equations for two-phase flow analysis on numerical solutions

Tomio Okawa, Akio Tomiyama
2nd International Conference on Nuclear Engineering
Vol. 1, 23-29
1993/04



245 解説

原子炉における機構論的限界熱流束評価技術の確立に向けて
Part 2:機構論的限界熱流束予測評価手法確立に向けた研究とその課題
と課題
共著
大川富雄, 森昌司, 劉維, 小瀬裕男, 吉田啓之, 小野綾子
日本原子力学会誌
63/ 12, 1-5
2021/12



246 解説

原子炉における機構論的限界熱流束評価技術の
確立に向けて
Part 1:軽水炉燃料における現在の限界熱流束予測手法
と課題
共著
大川富雄、淀忠勝、成島勇気、高野賢治
日本原子力学会誌
63/ 12, 1-5
2021/12



247 解説

Nanoparticle coating in heat pipe design for miniaturised cooling

Tomio Okawa, Menglei Wang
Research Outreach
123, 22-25
2021/07/02
2517-7028


248 解説

NUTHOS-10 (10th International Topical Meeting on Nuclear Thermal Hydraulics, Operation and Safety)

Tomio Okawa
ICeM News Letter
in press
2015



249 解説

第10回原子力熱流動、運転と安全に関する国際会議(NUTHOS-10)開催報告

大川富雄
混相流
in press
2015



250 解説

ナノ流体の沸騰伝熱

大川富雄
混相流
28/ 2, 167-174
2014



251 解説

エネルギーインフラの諸問題(WG5)

小泉安郎、浅野等、大川富雄、他35名
東日本大震災合同調査報告(機械編)
第二部/ 第7章
2013



252 解説

東日本大震災におけるエネルギーインフラの被害調査と問題分析
日本機械学会東日本大震災調査・提言分科会WG5の活動

小泉安郎、浅野等、大川富雄
日本原子力学会誌
54/ 12, 789-793
2012/12



253 解説

プール沸騰におけるRohsenowのHTCモデルとZuberのCHFモデル

大川富雄
伝熱(日本伝熱学会誌)
49/ 209, 39-44
2010



254 エッセー

大阪大学大学院工学研究科機械工学専攻・界面移動現象学領域(研究室紹介)

大川富雄
混相流
24/ 1, 83-86
2010



255 エッセー

沸騰蒸気泡の伝熱面離脱機構

大川富雄
日本機械学会熱工学部門ニュースレター
50
2006



256 エッセー

逆熱対流機能性粒子を用いた温度成層制御

大川富雄
流れ(日本機械学会流体工学部門ニュースレター)
NA-
2003