徐前,朱志劼,范雪飞,刘网扣,李连翠,徐望人

• 1:上海发电设备成套设计研究院有限责任公司

摘要(Abstract)：

以燃气轮机气体燃料控制阀为研究对象，基于计算流体力学方法，研究了气体燃料控制阀在实际运行工况下的流场分布以及流量变化规律，拟合了该阀的流动特性曲线。结果表明：在阀前压力2.650 MPa、阀后与阀前压力比为0.49～0.78，相同开度下的控制阀质量流量与阀后压力变化无关，处于阻塞流状态；相同压比下的流量系数与开度近似线性相关，与工程实际要求相吻合；流量系数与喉部面积具有线性相关关系，通过优化阀芯型线，改善喉部面积随开度的线性曲线，提高了流量特性曲线的线性度。

关键词(KeyWords)： 气体燃料控制阀;流量系数;特性曲线;数值计算

Abstract:

Keywords:

基金项目(Foundation): 国家科技重大专项（J2019-V-0014-0109）~~

作者(Author): 徐前,朱志劼,范雪飞,刘网扣,李连翠,徐望人

DOI: 10.19666/j.rlfd.202211285

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