This paper does research on the three dimensional turbulent flow fields of compressible air with highly rotation, using methods of mathematical analyze and CFD simulation.

本文以涡流管内可压缩气体三维强旋转湍流流场为研究对象，采用数学分析和数值模拟方法对涡流管内流场结构进行研究。

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Program of three-dimensional objects free rotation , and I hope to beginners certain references.

程序实现了对三维物体的自由旋转功能，希望对初学者起一定参考作用。

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Three new aperture methods of speckle photography, one dimensional frequency modulated aperture method crossed aperture method and rotation aperture method are proposed.

本文提出了三种新的散斑照相孔径方法：一维调频孔径法，交叉孔径法和旋转孔径法。

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