平行2円板間放射状流れの不安定性と乱流への遷移

Material type: 文書・図像類

Author: 芳松, 克則ほか

Publisher: 航空宇宙技術研究所

Publication date: 2003-06

Material Format: Digital

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Note (General)：: Instability of radially outgoing flow between two parallel disks and its transition to turbulence are investigated by numerical simulations and linear...

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Material Type: 文書・図像類
Title: 平行2円板間放射状流れの不安定性と乱流への遷移
Author/Editor: 芳松, 克則
田中, 大介
水島, 二郎
Yoshimatsu, K.
Tanaka, D.
Mizushima, J.
Author Heading: 芳松, 克則
田中, 大介
水島, 二郎
Yoshimatsu, K.
Tanaka, D.
Mizushima, J.
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 2003-06
Publication Date (W3CDTF): 2003-06
Alternative Title: Instability of outgoing flow between two parallel disks and its transition to turbulence
Periodical title: 独立行政法人航空宇宙技術研究所特別資料 = Special Publication of National Aerospace Laboratory SP-59
No. or year of volume/issue: 59
Volume: 59
Pages: 4-
ISSN (Periodical Title): ISSN : 1347-457X
Text Language Code: jpn
Subject Heading: radially outgoing flow , transition to turbulence, instability, pitchfork bifurcation, Hopf bifurcation
Target Audience: 一般
Note (General): Instability of radially outgoing flow between two parallel disks and its transition to turbulence are investigated by numerical simulations and linear stability analyses of the steady symmetric flow based on the assumption of incompressible axisymmetric flow. At small Reynolds numbers, the flow is steady and symmetric along the centerline between two parallel disks. It is found that the symmetric steady flow becomes asymmetric above a critical Reynolds number, which is revealed due to a supercritical pitchfork bifurcation. The transition from the steady symmetric flow to the asymmetric one depends the inlet radius at which the flow is introduced. The critical Reynolds number is determined as a function of the inlet radius. Oscillatory flow is also found with further increase of the Reynolds number.
資料番号: NALSP0059003
レポート番号: NAL SP-59
Source: https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=43575&item_no=1&attribute_id=31&file_no=1
https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=43575&item_no=1&attribute_id=31&file_no=1
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ