节流阀阀芯振动失效分析及结构改进
Oil Field Equipment(2013)
Abstract
井控节流阀在高压降的环境下工作,阀芯容易发生振动失效。建立了液体节流阀阀腔的计算域与固体阀芯的计算域,对流场与阀芯进行了流固耦合运算,研究了节流阀阀芯在不同开度条件下的振动位移。楔形阀芯的振动位移远小于针形阀芯,因此使用寿命长。
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Key words
fluid-structure interaction,spool,throttle,structural improvements,vibration
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