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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This method can describe the water flow velocity and vortex function distribution on all points of the reactor, with the simulation result in good coincidence with field test data.

该方法能够描绘出反应器内各点的水流速度以及涡流函数分布，且模拟结果与试验测定结果吻合得较好。

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The diagram of distribution of speed arrow, constant lines of flow-stream function, vortex, two speed parts and pressure were studied.

绘制了速度矢量分布图，和流函数，涡量，两个分速度及压强的等值线分布图。

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