论文部分内容阅读
本文以某低速风洞收缩段为例,对收缩段设计方案的数值计算结果进行了综合分析。文中给出了数值计算结果、分析过程以及典型算例,并给出了该风洞收缩段最佳的气动设计方案,分析了几种常用收缩曲线的特点,同时给出了低速风洞收缩段气动设计的优化过程和可行的方法。结果表明,本文提出的优化设计方法是风洞三元收缩段气动设计较好的有效的气动设计手段。
In this paper, taking a contraction section of a low speed wind tunnel as an example, the numerical results of the design of the contraction section are comprehensively analyzed. Numerical calculation results, analysis process and typical examples are given in this paper. The best aerodynamic design scheme for the shrinkage section of the wind tunnel is given. The characteristics of several commonly used shrinkage curves are analyzed. At the same time, Pneumatic design optimization process and feasible method. The results show that the optimal design method proposed in this paper is a good and effective aerodynamic design method for the aerodynamic design of the ternary contraction section of a wind tunnel.