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首页> 外文会议>PVP-vol.493; American Society of Mechanical Engineers(ASME) International Mechanical Engineering Congress and Exposition; 20051105-11; Orlando,FL(US) >Water Hammer Induced Vibration of a Fluid Filled Pipe
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Water Hammer Induced Vibration of a Fluid Filled Pipe

机译：水锤引起充液管的振动

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摘要

The objectives of this study are to analyze the behavior of a pipe under different valve open and closure times and to predict water hammer-induced transient maximum pressure, deflection and frequency of vibration in a fluid filled pipe. The model that integrated a classical formulation of water hammer problem and beam vibration equation was developed and a numerical simulation including frictional losses has been carried out. The MacCormak and Runge-Kutta methods were used to solve governing partial differential equations in order to investigate water hammer induced vibration of a fluid filled pipe. The results show that fluid flow rate does not change the vibration frequency of pipe. The peak wave pressures, maximum pipe deflections at various valve open and closure times, and the frequencies of vibration with variation of fluid speed and pipe geometrical configuration are presented.
机译：这项研究的目的是分析在不同的阀门打开和关闭时间下的管道性能，并预测水锤引起的瞬态最大压力，挠度和充液管道中的振动频率。建立了将水锤问题和梁振动方程的经典公式相结合的模型，并进行了包括摩擦损失的数值模拟。为了研究水锤引起的充液管道振动，使用了MacCormak和Runge-Kutta方法来求解控制偏微分方程。结果表明，流体流速不会改变管道的振动频率。给出了峰值波压力，在各种阀门打开和关闭时间下的最大管道挠度，以及随着流体速度和管道几何形状的变化而产生的振动频率。

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