In view of problems existing in velocity of flow monitoring points collocation in circular flue, using hydrodynamics theory to analyze and optimize, one monitoring point at 0.

针对圆形烟道流速监测点布置存在的问题，用流体力学理论进行分析、优化，在确定采样断面后，在距采样孔0。

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One of the key problems in the nonlinear theory of the hydrodynamic stability is to determine the law of the evolution of the disturbance velocity amplitude.

求解扰动速度幅值的演化规律，是流动稳定性非线性理论的关键问题之一。

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Based on point-by-point integration method and one dimension theory, designed the guide vane which has uniform velocity moment distribution with a hydraulic design computer code of the guide vane.

在逐点积分法一元理论叶片绘形的基础上，利用导叶水力设计程序设计了等环量叶片。

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