@inproceedings{oai:jaxa.repo.nii.ac.jp:00003858,
 author = {ヴァシシュタ, アシシュ and 渡邉, 保真 and 鈴木, 宏二郎 and Vashishtha, Ashish and Watanabe, Yasumasa and Suzuki, Kojiro},
 book = {宇宙航空研究開発機構特別資料: 第46回流体力学講演会/第32回航空宇宙数値シミュレーション技術シンポジウム論文集, JAXA Special Publication: Proceedings of the 46th Fluid Dynamics Conference / 32nd Aerospace Numerical Simulation Symposium},
 month = {Mar},
 note = {第46回流体力学講演会/第32回航空宇宙数値シミュレーション技術シンポジウム (2014年7月3日-4日. 弘前文化センター), 弘前市, 青森県, 46th Fluid Dynamics Conference / 32nd Aerospace Numerical Simulation Symposium (July 3-4, 2014. Hirosaki Bunka Center), Hirosaki, Aomori, Japan, In this study, the bow-shock shape has been studied in front of finite length semi-circular convex, concave cylindrical arc and flat plate at hypersonic Mach number 7. The experiments were carried out in hypersonic wind tunnel for drag coefficient measurement and shock visualization using Schlieren method. Further, numerical simulations were performed for the finite length concave, convex and flat plate geometries by solving three-dimensional Navier-Strokes equations for wind tunnel test-section conditions. The effect of curvature on shock envelope and drag coefficient for these three geometries is studied. It is also observed that the same reference area of concave arc can produce instabilities in shock wave, which can lead to starting problem of tunnel. Hence, the Schlieren images were captured using highspeed camera with 5000 fps. The different patterns of shock instabilities have been observed in case of concave shape cylindrical arc. Among the different instability patterns, particle induced instability pattern has been studied by numerical simulation by using static particle located upstream of concave geometry in hypersonic flow simulation., 形態: カラー図版あり, Physical characteristics: Original contains color illustrations, 資料番号: AA1530023023, レポート番号: JAXA-SP-14-010},
 pages = {127--132},
 publisher = {宇宙航空研究開発機構(JAXA), Japan Aerospace Exploration Agency (JAXA)},
 title = {Study of Shock Shape in front of Concave, Convex and Flat Arc in Hypersonic Flow},
 volume = {JAXA-SP-14-010},
 year = {2015}
}