National Aerospace Laboratory
National Aerospace Laboratory
National Aerospace Laboratory
出版者
航空宇宙技術研究所
出版者(英)
National Aerospace Laboratory(NAL)
雑誌名
独立行政法人航空宇宙技術研究所特別資料
雑誌名(英)
Special Publication of National Aerospace Laboratory SP-59
巻
59
ページ
4
発行年
2003-06
抄録(英)
Transition on a Sears-Haack body was measured by an unsteady pressure transducer and an infrared camera at Mach 1.2. Sears-Haack body has minimum aerodynamic drag at given volume in supersonic flow. As a result, transition location moved forward on the side and moved rearward both on the leeward and windward rays. According to the measurement result of the surface pressure fluctuation, turbulent flow and laminar flow appeared intermittently on the leeward ray. The growth of cross flow instability was observed on the side ray.