高超声速气动力数据天地相关性研究综述

摘要

综述了国内外高超声速飞行器气动力数据天地换算技术方面的研究现状及趋势，内容包括高超声速飞行器气动力地面试验研究进展，气动力数值计算技术研究进展和试验数据关联外推方法研究进展。其中，气动力地面试验研究进展部分重点关注国内外与高超声速飞行器研制密切相关的地面风洞试验的能力和不足，及相应的处理手段；气动力数值计算技术研究进展部分主要对国内外若干典型软件的综合能力及其满足高超声速技术的程度进行了概述；气动力试验数据关联外推方法主要对早期美国航天飞机、X-43A 及其他飞行器研制过程中用到的气动力天地数据关联方法进行了调研；在上述基础上，进一步指出了开展高超声速飞行器气动力数据天地换算技术需关注的问题。%The current status and the trend of correlation analysis of aerodynamic data between flight and ground prediction for hypersonic vehicles are reviewed and summarized,including the development of aerody-namics ground tests investigation,numerical computation investigation and the test data extrapolation meth-ods investigation.Relating to the ground wind tunnel tests investigation,the test capabilities and the defi-ciencies closely related to the design of hypersonic vehicles both domestical and abroad are focused on.About the numerical computation investigation,the comprehensive capabilities of typical domestic and foreign CFD softwares,together with their expansibility to satisfy the requirements of hypersonic vehicle development are reviewed.For the aerodynamic data extrapolation methods,correlation methodology employed in early de-sign process of USA space shuttle,X-43A and other test vehicles are presented.Finally,some important problems which needs to be dealed with carefully and rationally during the study of correlation analysis of aerodynamic data between flight and ground prediction for hypersonic vehicles are further pointed out based on above analysis.