First Aerodynamics Division, National Aerospace Laboratory(NAL)
First Aerodynamics Division, National Aerospace Laboratory(NAL)
National Space Development Agency of Japan(NASDA)
National Space Development Agency of Japan(NASDA)
出版者
航空宇宙技術研究所
出版者(英)
National Aerospace Laboratory(NAL)
雑誌名
航空宇宙技術研究所報告
雑誌名(英)
Technical Report of National Aerospace Laboratory TR-814
巻
814
ページ
18
発行年
1984-05
抄録(英)
The normal force on the tail-fins induced by aerodynamic load on front-fins was studied. The magnitude of the induced normal force was obtained experimentally from a wind tunnel test of two-stage rocket models with both front- and tail-fin, with either front- or tail-fin, and without any fin. The test was performed at M∞ = 0.5 ~ 0.95 and 1.5~2.5, and the induced normal force in this region was about 30%, at maximum, of the normal force which acts on the entire model. The variation of the induced normal force with bank angle difference between front- and tail-fin was also obtained from wind tunnel tests of a roll-controllable rocket model at M∞ = 0.50 ~ 1.20. Those results were compared with predictions based on the strip theory. This simplified theory succeeded in giving approximate magnitude and Mach number dependence of the induced normal force ; however, it is not sufficient for precise prediction.