Second Aerodynamics Division, National Aerospace Laboratory(NAL)
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-516
巻
516
ページ
13
発行年
1977-11
抄録（英）
Laser holography provides greater performance in aerodynamic testing than optical techniques previously used due to the light wave front reconstructed from the hologram containing all original density field data. This means that the reconstructed light wave can be analyzed using not only conventional procedures, but also new more advanced methods, such as time-differential interferometry. Presented in this paper are some preliminary experimental results on the application of laser holography to axisymmetric supersonic flow field observations utilizing the following methods; (1)holographic schlieren method, (2)dual holographic interferometry, (3)double exposure holographic interferometry and (4)real-time holographic interferometry. The experimental values obtained utilizing these methods on a free-jet, a sharp cone and a flat faced body are compared with conventional interferometric data and experimental and calculated pressure distributions, with good agreement being observed.
レーザ・ホログラフィによる流れの可視化予備実験
naltr00516.pdf
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