Study on Breakup Length of Liquid Jet by Liquid-Gas Coaxial Injector —Evaluation of Atomization Characteristics of Rocket Engine Injectors—
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- YATSUYANAGI Nobuyuki
- Formerly, Chiba Institute of Science
書誌事項
- タイトル別名
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- Study on Breakup Length of Liquid Jet by Liquid-Gas Coaxial Injector -Evaluation of Atomization Characteristics of Rocket Engine Injectors-
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Based on the experimental observations using a liquid-gas coaxial injector with fairly dense liquid injection, an empirical calculation model of the breakup length of a liquid jet was derived. It is based on the one-dimensional momentum conservation equation for two-phase flow, as well as on the critical Eötvös number, which was derived experimentally by the author in a previous study. This model was applied to evaluate the local stripping rate of the liquid mass at the interaction surface between a liquid and a gas, and was applied to calculate the size of the formed droplets. Comparisons of the mean droplet size, distribution histogram of the size, and breakup length of the liquid jet were made with experimental data. This calculation model was also applied to evaluate the characteristics of the rocket injectors chosen as candidates for the LE-5, the liquid oxygen/hydrogen engine of the second stage of the Japanese H-1 launcher.
収録刊行物
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- TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES
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TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 49 (165), 162-168, 2006
一般社団法人 日本航空宇宙学会
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詳細情報 詳細情報について
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- CRID
- 1390282679055861632
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- NII論文ID
- 10018428188
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- NII書誌ID
- AA0086707X
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- ISSN
- 21894205
- 05493811
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- NDL書誌ID
- 8537238
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可