This paper presents one kind of numerical method of tunnel engineering and discusses a numerical method for finding the intersection of curved surface and plane in space and its application.
给出了隧道工程的一类数值方法。讨论了求空间曲面与空间平面交线的一种数值方法及其应用。
Wind tunnel measurement gives the velocity field and vorticity field in intersection plane at different downstream position, which is up to 20 times cord-length.
风洞实验采用PIV测量了沿流向下游不同截面的涡量场和速度场，测量截面距机翼后缘最远达到20倍弦长。
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