On the basis of the establishment of air movement equations in a confined ventilated chicken house, the governing equation, represented by the stream function and potential function, is deduced.
在建立密闭式鸡舍机械通风系统气流运动方程的基础上，推导了由流函数和势函数表示的气流运动控制方程。
In this thesis, the Finite Element Method is applied to the solution of the Laplace equation formulated by means of stream function for the calculation of the static hydraulic thrust.
本文通过有限元法求解用流函数表示的拉普拉斯方程，进而计算轴流式机组的静态轴向水推力。
Then basing on the free-vortex equation, potential equation and stream function of flow are achieved by mathematical analyze, and solving these equations gives flow fields.
从自由涡运动方程出发，推导出管内流场的势函数和流函数方程，获得了管内流场的数学分析解；
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