论文部分内容阅读
利用高精度TVD格式成功地完成了标准TTCP弧形翼 身组合体在马赫数为 0 .8~ 2 .36的湍流流场计算 ,通过对翼表面压力的积分求得自诱导转动力矩 ,与相应的风洞实验数据基本一致。流场的计算结果显示 :自诱导转动力矩的变化主要是由于翼前缘和翼后半部分产生的法向力的差异造成的。最后进行了不同翼形参数的弧形翼 身组合体湍流流场计算 ,发现翼前缘削尖角角度增大和翼弦长增大 ,使总法向力增大。
The high precision TVD format was successfully used to calculate the turbulent flow field of a standard TTCP arc wing body assembly with a Mach number of 0.8 ~ 2.36. The self-induced torque was obtained by integrating the wing surface pressure, Wind tunnel experimental data are basically the same. The calculation results of the flow field show that the change of the self-induced rotation moment is mainly caused by the difference of the normal force generated in the front part and the rear part of the wing. Finally, the calculation of the turbulent flow field of curved wing body with different wing parameters shows that the angle of sharpening angle and chord length increase, and the total normal force increases.