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Heat transfer enhancement and torque reduction by traveling wave-like blowing and suction in turbulent Taylor-Couette flow
https://uec.repo.nii.ac.jp/records/10049
https://uec.repo.nii.ac.jp/records/1004915d07975-9773-4a05-8e20-344ed3e511c6
名前 / ファイル | ライセンス | アクション |
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Mamori2020JTST_ver8fin (12.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-09-27 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Heat transfer enhancement and torque reduction by traveling wave-like blowing and suction in turbulent Taylor-Couette flow | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題 | Direct numerical simulation | |||||
キーワード | ||||||
言語 | en | |||||
主題 | Taylor-Couette turbulent flow | |||||
キーワード | ||||||
言語 | en | |||||
主題 | Traveling wave control | |||||
キーワード | ||||||
言語 | en | |||||
主題 | Torque reduction | |||||
キーワード | ||||||
言語 | en | |||||
主題 | Heat transfer | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
MAMORI, Hiroya
× MAMORI, Hiroya× FUKUDOME, Koji× OGINO, Kohei× FUKUSHIMA, Naoya× YAMAMOTO, Makoto |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Direct numerical simulations of turbulent Taylor-Couette flows are performed to investigate the effect of a traveling wave control on torque and heat transfer. In the Taylor-Couette flow, inner and outer cylinders are rotating and immobile, respectively, and the temperature difference between cylinder walls is maintained as constant. The ratio between the inner and outer cylinder is 0.882, and the Reynolds number is set as 84,000. A traveling wave-like blowing and suction is imposed on an inner cylinder wall. A parametric study shows the effect of control parameters on torque and heat transfer. We focused on three characteristic parameter sets: heat transfer enhancement, relaminarization phenomenon, and simultaneous achievement of torque reduction and heat transfer enhancement. We employed identity equations by using three-component decomposition to clarify contributions from advection, turbulence, and diffusion on torque and Stanton number. The results indicated that the traveling wave control affects the turbulence and advection contributions. | |||||
書誌情報 |
en : Journal of Thermal Science and Technology 巻 16, 号 1, p. JTST0003, 発行日 2021 |
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出版者 | ||||||
出版者 | 一般社団法人日本機械学会 | |||||
出版者 | ||||||
出版者 | 社団法人日本伝熱学会 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18805566 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1299/jtst.2021jtst0003 | |||||
権利 | ||||||
権利情報 | (c) 2021 by The Japan Society of Mechanical Engineers and The Heat Transfer Society of Japan | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1299/jtst.2021jtst0003 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |