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Hidemi Takahashi, Mitsuru Kurita, Hidetoshi Iijima and Seigo Koga
Turbulent boundary-layer profiles on an aircraft surface were measured during flight by pitot rakes in an experiment at subsonic speeds. Because separate flights have different flight sequences in terms of time, it is not easy to compare boundary-layer p...
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Hidemi Takahashi, Mitsuru Kurita, Hidetoshi Iijima and Seigo Koga
This study proposes a unique approach to convert a voltage signal obtained from a hot-wire anemometry to flow velocity data by making a slight modification to existing temperature-correction methods. The approach was a simplified calibration method for t...
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Hidemi Takahashi
A practical approach for deriving the absolute density field based on the background-oriented schlieren method in a high-speed flowfield was implemented. The flowfield of interest was a two-dimensional compressible flowfield created by two supersonic str...
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Hidemi Takahashi, Toshihiko Munakata and Shigeru Sato
The airframe-integrated linear-spike nozzle concept applied to an external nozzle for high-speed aircraft was evaluated with regard to the thrust augmentation capability and the trim balance. The main focus was on the vehicle aftbody. The baseline airfra...
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Hidemi Takahashi, Mitsuru Kurita, Hidetoshi Iijima and Monami Sasamori
Turbulent boundary layer profiles on the aircraft surface were characterized by pitot-rake measurements conducted in flight experiments at high subsonic Mach number ranges. Due to slight variations in atmospheric air conditions or aircraft attitudes, suc...
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