The amount of angular momentum, say, a spinning skater has depends on both the speed of rotation, and the weight and distribution of mass around the center.

角动量的大小，取决于旋转中的滑冰选手的旋转速度、体重和绕旋转中心的质量分布。

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Based on the limited momentum propagation velocity, this paper presents the solution of the transient momentum equation by Laplace transform. The distribution functions of velocity and eddy are given.

在考虑瞬态过程中动量扩散速度基础上，用拉普拉斯变换法对无限长平板突然起动瞬态动量定解方程进行了求解，并按涡量定义求出涡量分布函数。

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This paper reports a derivation of distribution by applying maximum entropy principle and conservation laws of mass, momentum and energy to atomization process.

论述了应用最大熵原理及质量、动量和能量守恒定律到喷雾过程中，导出了液滴尺寸和速度分布规律。

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