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在火箭燃料加注过程中,常因泵和阀门控制不当而产生水锤效应,其结果会引起系统压力和流量的变化,轻者导致管道震动,重者导致管道爆裂,造成重大经济损失和事故。为解决上述问题,以某靶场火箭燃料加注系统为研究对象,采用一维流体仿真软件Flowmaster对加注系统级间转换过程进行建模与仿真,分析比较阀的不同控制方案对管道水锤特性的影响,最终提出一种有效抑制水锤效应的开关阀方案,降低了管道中的瞬时压力峰值,避免了因水锤效应而导致的管道破裂和燃料泄漏,从而保证加注系统的安全性。
In the rocket fuel filling process, often due to improper control of pumps and valves have a water hammer effect, the result will cause changes in system pressure and flow, the lighter lead to pipeline vibration, severe lead to pipeline burst, resulting in major economic losses and accidents . In order to solve the above problems, the rocket fuel filling system of a shooting range was taken as the research object. One-dimensional fluid simulation software Flowmaster was used to model and simulate the process of filling system level transition. The different control schemes of the valve were compared to analyze the water hammer characteristics Finally, an on-off valve scheme that effectively suppresses the water hammer effect is proposed to reduce the instantaneous pressure spikes in the pipeline and avoid the pipeline rupture and fuel leakage caused by the water hammer effect so as to ensure the safety of the filling system.