1. An improvement of the transition measurements for aircraft-models in JAXA 6.5 m x 5.5 m low-speed wind tunnel
- Author
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Yokokawa, Yuzuru, Aoki, Yoshinao, Morita, Yoshio, Takahashi, Hitoshi, Hoshino, Hideo, Murota, Katsuichi, Nonaka, Osamu, Mashiro, Jin, Endo, Atsushi, and Yoshida, Kenji
- Subjects
境界層遷移 ,wind tunnel model ,風洞試験 ,hot-film anemometer ,熱線風速計 ,赤外線写真法 ,感温液晶 ,low speed wind tunnel ,抗力係数 ,temperature sensitive liquid crystal ,drag coefficient ,wind tunnel test ,風洞モデル ,低速風洞 ,boundary layer transition ,infrared photography - Abstract
The work described here relates to the method measuring the boundary layer transition at large-scale and low-speed wind tunnel. The objective of the research is to improve the test technique and to know a precise procedure about transition measurements, especially for an aircraft model at such type of wind tunnel. At JAXA 6.5 m x 5.5 m Low-Speed Wind Tunnel (LWT1), the boundary layer growing on the left-wing of the ONERA-Model was investigated using two kinds of the quantitative methods (Preston Tube and Hotfilm Sensor) and also two kinds of the visualizing methods (Temperature-Sensitive Liquid Crystal, Infrared Camera). Throughout the experiment, a lot of knowledge were obtained. Transition points investigated by four kinds of methods were correctively agreed., 資料番号: AA0047776001, レポート番号: JAXA-SP-04-002
- Published
- 2005