"Advanced Studies on High Angle of Attack Aerodynamics and Unsteady Aerodynamics"

本研究是在1993年至1994年期间进行的，为期两年。为了进行深入的研究，所有参与的研究人员被分成几个小组，并为每个小组选择了最新的项目：大攻角空气动力学研究1)三角翼周围分离流动（Sato, Nakamura, riinoie）：机翼锁死现象和厚三角翼气动特性研究。2)大迎角运动翼上的分离流动（Yoshizawa, Kuwahara, Sakurai）：直升机旋翼叶片在前向运动中的流动分析。大迎角翼周流动分析。3)刚性翼和柔性翼的动态失速（Aihara, Aso, Morishita, Morinishi）：动态失速现象的实验和计算研究。机翼自激振荡。4)大攻角的流动控制（Karashima, Matsuno）：基于亚音速和跨音速流型的大攻角气动特性的流动控制。5)大攻角飞行器（久保田、井上、德永、中岛、畑山）周围的流动：超音速在大攻角细长机身周围的流动分离现象。6)三维流动分离的结构（Yamamoto, Arai, Kamiya）：柔性薄片的气动运动。超声速流动下的三维流动分离。湍流分离现象（Tusge, Nakahashi, Nishikawa, Kyodo）：涡发生器的研究。具有非结构化网格和棱镜网格的高分辨率数值格式。2)冲击波现象（Takayama, Higashino, Nishida, Fujii, Saso）：马赫数为10-15的高速弹丸的发展。斜激波的反射问题。流动分析高速流动分析。激波隧道启动过程研究。3)非定常化学反应流动（Fujiwara, Hayashi）：超音速弹丸在预混气体中的振荡燃烧。冲压加速器高速不稳定燃烧现象。各课题组“大迎角空气动力学与非定常空气动力学高级课题”的课题目标均在规定的研究期限内圆满完成。少

The present study have been conducted between 1993 and 1994 for two years. In ordee to conduct intevsive studies all the paticipated researchers were divided into several groups and latest projects are selected for each group as follows :Study on high-angle of attack aerodynamics1) Separated flows around delta wing (Sato, Nakamura, Rinoie) : Studies on wing lock phenomena andaerodynamic characterestics of thick delta wing.2) Separated flows over moving wing with high-angle of attack (Yoshizawa, Kuwahara, Sakurai) : Flow analysis of helicopter rotor blade in forward motion. Flow analysis around wing at high-angle of attack.3) Dynamic stall of rigid wing and flexible wing (Aihara, Aso, Morishita, Morinishi) : Experimental and computational studies of dynamic stall of phenomena. Self-induced occilation of wing.4) Flow control of high-angle of attack(Karashima, Matsuno) : Flow control of aerodynamic characterestics with high-angle of attack with subsonic and transonic flow regime.5) Flows … More around high-angle of attack vehicle(Kubota, Inoue, Tokunaga, Nakashima, Hatakeyama) : Supersonic flow separation phenomena around high-angle of attack slender body.6) Structure of three-dimensional flow separation(Yamamoto, Arai, Kamiya) : Aerodynamic motion of flexible sheet.foil.Three-dimensional flow separation at supersonic flow.Study on unsteady aerodynamics1) Turbulent flow separation phenomena (Tusge, Nakahashi, Nishikawa, Kyodo) : Study on vortex generator. High resolution numerical scheme with unstructured grid and prism grid.2) Shock wave phenomena (Takayama, Higashino, Nishida, Fujii, Saso) : Development of high-speed projectile at Mach number of 10-15. Refection problem of oblique shock wave. Flow analysis of high-speed flow analysis. study of starting process of shock tunnel.3) Unsteady chemically reacting flows (Fujiwara, Hayashi) : Osscilatory combustion around supersonic projectile in premixed gas. High-speed unsteady combustion phenomena of ram-accelerator.All the goal of the projects of each group devoted for "Advanced Topics of High-Angle of Attack Aerodynamics and Unsteady Aerodynamics" are sucessfully completed within the specified research period. Less