亚声速三角翼俯仰振动涡结构及升力特性研究  

Characteristic Study of the Vortex Structure and the Lift Force over a Delta Wing Pitching Oscillation at Subsonic Speed

作　　者：张永存[1] 张祖庚[1] 王志川[1] 

机构地区：[1]沈阳空气动力研究所

出　　处：《空气动力学学报》1999年第2期224-229,共6页Acta Aerodynamica Sinica

基　　金：国防科技气动力预研基金

摘　　要：本文介绍在暂冲式三声速风洞中实现了非定常流动的多片光蒸汽屏显示技术和测力技术，并用这两项技术研究了亚声速时７０°后掠三角翼模型俯仰振动的非定常流动现象。A multiminate layer vapor screen technique and force measurement technique for an unsteady flow in the intermitted wind tunnel is presented in this paper.The unsteady flow phenomena of a 70° swept delta wing pitching oscillation is investigated at subsonic speed.The correlation between the vortex structure and aerodynamic characteristics has been discussed.

关 键 词：非定常流 三角翼 俯仰振动 涡结构 

分 类 号：V221.41[航空宇航科学与技术—飞行器设计]