日本航空宇宙学会論文集
Online ISSN : 2432-3691
Print ISSN : 1344-6460
論文
LE-7Aエンジンノズル内段差による剥離の停滞とジャンプの現象
渡辺 泰秀坂爪 則夫
著者情報
ジャーナル フリー

2007 年 55 巻 645 号 p. 467-473

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抄録

At an early stage of development, LE-7A engine suffered from high side loads. One of them was caused by the transition between Free Shock Separation (FSS) and Restricted Shock Separation (RSS), and the other was caused by the stagnation and sudden movement (‘jump’) of the separation point at a small step inside the nozzle extension. This paper focuses on this stagnation and jump phenomenon of separation point caused by the step inside LE-7A engine nozzle during the startup and shutdown transients.

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© 2007 The Japan Society for Aeronautical and Space Sciences
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