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Direct Monte Carlo simulation of axisymmetric free jet
https://doi.org/10.18999/memsenu.45.2.223
https://doi.org/10.18999/memsenu.45.2.223866848aa-e96e-421e-afb0-ce17565888d1
名前 / ファイル | ライセンス | アクション |
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45-2-04.pdf (785.5 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2020-10-23 | |||||
タイトル | ||||||
タイトル | Direct Monte Carlo simulation of axisymmetric free jet | |||||
言語 | en | |||||
著者 |
Soga, Takeo
× Soga, Takeo× Kawato, Hiroshi× Kim, Byung Gon |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
抄録 | ||||||
内容記述 | Axisymmetric expansion flow from a circular orifice into a vacuum was studied based upon the DSMC method. The numerical simulation was carried out for the gas composed of the hard sphere molecules. It is found that the radial temperature is slightly higher than the axial temperature in the vicinity of the orifice. The degree of such a nonequilibrium decreased in accordance with the decrease of the Knudsen number Kn. For the case of Kn=0.02 the difference between two temperatures was less than 2%. Present simulation revealed that in the vicinity of the axis of symmetry orifice flow expands like a spherical source flow but the off axis flow exhibites the peculiar features of axisymmetric expansion flow predicted by Grundy. The simulated expansion flow along the axis of symmetry includes continuum to free molecular flows. Present results, the terminal velocity, the terminal temperature, and the terminal Mach number, showed a good agreement with the previous results of spherical source flow expansion. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | School of Engineering, Nagoya University | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
ID登録 | ||||||
ID登録 | 10.18999/memsenu.45.2.223 | |||||
ID登録タイプ | JaLC | |||||
ISSN(print) | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0919-0805 | |||||
書誌情報 |
en : Memoirs of the School of Engineering, Nagoya University 巻 45, 号 2, p. 223-232, 発行日 1994-03-31 |
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著者版フラグ | ||||||
値 | publisher |