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  1. B200 工学部/工学研究科
  2. B200b 紀要
  3. Memoirs of the Faculty of Engineering, Nagoya University
  4. 43(1)

Direct simulation of effusion and expansion flows from a slit into a vacuum

https://doi.org/10.18999/memfenu.43.1.135
https://doi.org/10.18999/memfenu.43.1.135
3215d34d-fb45-4f6f-af0c-2af1156ce244
名前 / ファイル ライセンス アクション
43-1-05.pdf 43-1-05.pdf (1.0 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2020-10-29
タイトル
タイトル Direct simulation of effusion and expansion flows from a slit into a vacuum
言語 en
著者 Soga, Takeo

× Soga, Takeo

WEKO 101914

en Soga, Takeo

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Kim, Byung Gon

× Kim, Byung Gon

WEKO 101915

en Kim, Byung Gon

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Suda, Hideo

× Suda, Hideo

WEKO 101916

en Suda, Hideo

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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 Effusion flows from a two-dimensional porous surface and expansion flows from a sonic slit were studied based upon the DSMC method. Present simulation was carried out under the suspicion that thermal motion of gas molecules would partially change into back flow in effusion flow. Effusion flow was accelerated to a supersonic expansion flow but the virtual stagnation pressure of this expansion flow was much lower than the pressure at the surface. Features of effusion flow with back flow were revealed. No substantial back flow was seen even in the effusion flow from a porous surface. The back flow seemed to be separated from the main flow of the effusion and effects of the back flow were very restricted. Several cell sizes were employed in the simulation of expansion flow. It was found that cell size should be finer than (slit hight/60)[Χ](slit hight/60) so that we might obtain accurate density contour. Value of the parameter p[0]d used in the simulation was about 24torr-mm, which was comparable with the conventional experimental conditions.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Faculty 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/memfenu.43.1.135
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 0027-7657
書誌情報 en : Memoirs of the Faculty of Engineering, Nagoya University

巻 43, 号 1, p. 135-146, 発行日 1991-10-31
著者版フラグ
値 publisher
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