To study the cavitation mechanics and its relation-ship with noise characteristics of the valve-port high-speed flow, high-speed photography and noise spectrum analysis are applied to investigate the flow area and the related phenomenon inside the throttling area of valves.
为研究阀口高速流动中的旋涡空化机理及其与噪声特性的关系,运用高速摄像、噪声频谱分析等手段对典型阀口孔隙节流处的流场及流动现象进行分析。
Mechanics research on chief draining pump cavitation damage in coal mine
煤矿主排水泵汽蚀损伤机理研究
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