摘要
摩擦阻力是高超声速飞行器气动力的重要组成部分,也是制约高超声速飞行器发展的重要因素,因而对摩擦阻力的准确测量就显得尤为重要。简要介绍了近年国内外与高超声速相关的摩擦阻力直接测量技术的发展状况,同时对中国航天空气动力技术研究院自行研制的两套摩擦阻力测量装置作了介绍,并指出应变式摩阻天平技术是测量摩擦阻力的有效途径之一。文中给出了这两种结构形式摩阻天平的静校结果及其在高超声速风洞中的试验结果,并对结果进行了讨论。
Skin friction is an important part in aerodynamic drag of hypersonic flight vehicle, also an important factor that constrains their development. It is particularly significant to measure the skin friction accurately. In this paper the recent international development of direct measure- ment of skin friction for hypersonic flight vehicle has been briefly introduced. It proposed that the strain balance technique was one of the effective ways to measure skin friction. Meanwhile two measuring equipments of skin friction developed by CAAA are introduced. The static calibration results of two kinds of balances are presented. The test data of the two equipments in hypersonic wind tunnel and the discussion of them are also given in the paper.
出处
《实验流体力学》
EI
CAS
CSCD
北大核心
2011年第4期83-88,共6页
Journal of Experiments in Fluid Mechanics
关键词
高超声速飞行器
摩擦阻力
直接测量技术
摩阻天平
风洞试验
hypersonic flight vehicle
skin friction
direct measurement technique
skin friction balance
wind tunnel test
