中文摘要：

为定量分析推力矢量对发动机性能的影响,文章基于复杂的三平面几何关联关系建立了轴对称矢量喷管几何矢量角对气动矢量角、流量系数影响的数学模型。通过对比实验结果和用基于CFD方法的数学模型计算的结果,研究了此方法的适用性及它的实用价值。结果表明此模型适用于大多数喷管,并具有较高的计算精度。

英文摘要：

In order to analyze the influence of thrust vectoring on engine performance,we establish the mathematical model of effective vectoring angle and flow coefficient by analysing the geometric relative variation,and present a calculation method based on this model.We explain in detail the principle of this model and the calculation results in the full paper;in this abstract,we just add some pertinent remarks to listing the two topics of explanation:(1) the formulation of the mathematical model,(2)computation of...