An Experimental and Analytical Study on Spray Flow Field by Liquid/Gas Coaxial Injector Elements(1)

Material type: 文書・図像類

Author: 八柳, 信之ほか

Publisher: 航空宇宙技術研究所

Publication date: 1982-01

Material Format: Digital

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Notes on use

Note (General)：: The concentric-tube injector element has been used extensively in liquid-gas injectors, such as liquid oxygen-hydrogen rocket injectors. To predict th...

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Material Type: 文書・図像類
Title: An Experimental and Analytical Study on Spray Flow Field by Liquid/Gas Coaxial Injector Elements(1)
Author/Editor: 八柳, 信之
YATSUYANAGI, Nobuyuki
Author Heading: 八柳, 信之
YATSUYANAGI, Nobuyuki
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 1982-01
Publication Date (W3CDTF): 1982-01
Alternative Title: 気液同軸型噴射要素による噴霧流の実験及び解析(1)
Periodical title: 航空宇宙技術研究所報告 = Technical Report of National Aerospace Laboratory TR-692
No. or year of volume/issue: 692
Volume: 692
Pages: 53-
ISSN (Periodical Title): ISSN : 0389-4010
Text Language Code: eng
Target Audience: 一般
Note (General): The concentric-tube injector element has been used extensively in liquid-gas injectors, such as liquid oxygen-hydrogen rocket injectors. To predict the combustion performance and heat flux distribution along a combustion chamber with a coaxial injector, a good understanding of the spray flow field as it concerns the atomization rate of the liquid jet by the high velocity gas flow and the mixing process of liquid droplets with the gas flow, is of critical importance. In this report the spray flow field formed by flush-face concentric-tube injector elements was extensively investigated by non-reactive cold liquid-gas flow test. And also an analytical model was derived to predict the spray flow field, including the local atomization rate of the liquid jet, the gas-phase velocity decay, liquid mass flux dispersion and the local liquid-droplets to gas mixing efficiencies. By this study it was shown that the ratio of the half-width of the liquid phase mass flux to that of the gas phase velocity is the critical factor in controlling the mixing efficiencies of the spray flow field; in addition, this critical factor is related to the ratio of the gas to liquid injection velocity.
資料番号: NALTR0692000
レポート番号: NAL TR-692
Source: https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=44949&item_no=1&attribute_id=31&file_no=1
https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=44949&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