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J-GLOBAL ID：201101087355954476   Update date: Jul. 15, 2024

Ochiai Naoya

オチアイ ナオヤ | Ochiai Naoya
Affiliation and department：
Tohoku University Institute of Fluid Science Innovative Energy Research Center (IER) Multiphase Flow Energy Laboratory

About Tohoku University Institute of Fluid Science Innovative Energy Research Center (IER) Multiphase Flow Energy Laboratory


Job title： Assistant Professor
Homepage URL  (2)： http://db.tohoku.ac.jp/whois/detail/91aec66309401133354d3aecd96dc41f.html ,  http://db.tohoku.ac.jp/whois/e_detail/91aec66309401133354d3aecd96dc41f.html
Research field  (1)： Fluid engineering
Research keywords  (4)： Computational fluid dynamics ,  Multiphase flow ,  Bubble ,  Cavitation
Research theme for competitive and other funds  (6)：
  • 2013 - 現在 メガソニック洗浄における粒子除去及び複数気泡挙動に関する数値的研究
  • 2006 - 現在 キャビテーション壊食の数値予測手法の研究
  • 2020 - 2023 超音波キャビテーションによる洗浄・殺菌の数値予測に関する研究
  • 2017 - 2020 Clarification of Mechanism of Particle Removal by Megasonic Cleaning using Fluid Structure Coupling Method
  • 2015 - 2018 Development of environmentally conscious cleaning method using cryogenic fine solid particles and its application to high density hydrogen storage
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Papers (50)：
  • Eitaro Koya, Masahiko Nakagawa, Shinya Kitagawa, Jun Ishimoto, Yoshikatsu Nakano, Naoya Ochiai. CFD Analysis of Mechanisms Underlying the Porosity-reducing Effect of Atomized Flows in High-pressure Die Cast Products. MATEC Web of Conferences. 2020. 326. 06006-06006
  • Numerical analysis of the effect of bubble distribution on multiple-bubble behavior. Ultrasonics Sonochemistry. 2019. 61. 104818
  • E. Koya, M. Nakagawa, S. Kitagawa, J. Ishimoto, Y. Nakano, N. Ochiai. Research of Atomization Phenomena in HPDC-Step 1 Feature of Gas Porosity Dispersion and Photography of Atomized Flow. SAE Technical Paper. 2018. 2018-01-1392
  • Eitaro Koya, Masahiko Nakagawa, Shinya Kitagawa, Jun Ishimoto, Yoshikatsu Nakano, Naoya Ochiai. Photography of atomization flow and LES-VOF simulation of die interior flow behavior under high pressure diecasting. 73rd World Foundry Congress "Creative Foundry", WFC 2018 - Proceedings. 2018. 393-394
  • N. Ochiai, J. Ishimoto. Numerical investigation of multiple-bubble behaviour and induced pressure in a megasonic field. Journal of Fluid Mechanics. 2017. 818. 562-594
ｍore...
MISC (6)：
  • Abe Haruto, Ishimoto Jun, Ochiai Naoya. 0903 Numerical Analysis of cryogenic multiphase flow characteristics with a solid phase change within the Laval nozzle. Fluids engineering conference . 2015. 2015. "0903-1"-"0903-2"
  • YAMAMOTO Yosuke. 0901 Development of snow property model using particle method and its application to snow behavior in snowblower. Fluids engineering conference . 2015. 2015. "0901-1"-"0901-2"
  • OCHIAI Naoya, ISHIMOTO Jun. 0906 Numerical Simulation of Multiple Bubble Behaviors near Wall Boundary in Megasonic Field. Fluids engineering conference . 2015. 2015. "0906-1"-"0906-2"
  • SASAKI Hirotoshi, OCHIAI Naoya, IGA Yuka. Numerical Analysis of Occurrence of Cavitation Bubble in Liquid Droplet Impingement. The Computational Mechanics Conference. 2014. 2014. 27. 855-857
  • 井小萩利明, 落合直哉. 溶解気体の分離を考慮したキャビテーション流れ解析. フルードパワーシステム. 2012. 43. 1. 17-19
ｍore...
Lectures and oral presentations  (40)：
  • 高圧タンクのき裂伝ぱを伴う水素漏えい反応流に関する粒子法-Euler連成解析
    (第33回数値流体力学シンポジウム 2019)
  • 橋脚に衝突する洪水流動特性に関する自由表面流動解析
    (第33回数値流体力学 シンポジウム 2019)
  • 極低温ファイン固体窒素粒子生成と基板衝突変形挙動に関する連成解析
    (第32回数値流体力学シンポジウム 2018)
  • メガソニック場中の気泡振動による粒子除去の流体構造連成数値解析
    (日本混相流学会混相流シンポジウム2018 2018)
  • 砂塵を含む混相竜巻の旋回流動特性に関する研究
    (日本混相流学会混相流シンポジウム2018 2018)
ｍore...
Professional career (1)：
  • 博士(工学) (Tohoku University)
Awards (2)：
  • 2016/04/21 - 日本機械学会 2015年度日本機械学会奨励賞(研究) 数値流体解析を用いたメガソニック場中における気泡挙動の解明とそのナノデバイス洗浄への応用の研究
  • 2015/08 - 日本混相流学会 2014年度日本混相流学会技術賞 粒子法を用いた雪の特性モデリングと除雪車内雪氷流動解析への応用
Association Membership(s) (2)：
日本混相流学会 ,  日本機械学会
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