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前言在细长体上产生的涡流图形由于它可能引起诱导速度,因而对它的气动力性能有很大的影响。予测在整个导弹上的这些涡流的强度和位置的能力对计算气动力特性是很必要的。本文叙述这种予测涡流能力的理论和实验结果,这个理论工作是在整个弹体气动力布局中计算压力分布和弹翼负载的一个较大的线性理论方法的一部分。这种理论的详细说明及用于计算的计算机程序可参考文献1。
INTRODUCTION The eddy current pattern produced on a slender body has a great influence on its aerodynamic properties due to its potential for inducing velocity. The ability to predict the strength and position of these vortices over the entire missile is necessary to calculate aerodynamic characteristics. This paper presents the theoretical and experimental results of this predictive eddy current capability. This theoretical work is part of a larger linear theoretical approach to calculate pressure distribution and wing loading throughout the body’s aerodynamic layout. A detailed description of this theory and a computer program for calculations can be found in Reference 1.