调节阀柱塞型阀芯形面数学模型推导Inferential Reasoning on the Mathematical Model of Value Plug of Control Value
杨明,安培文
YANG Ming1,AN Pei-wen2 (1.Ningxia University
摘要(Abstract):
依据调节阀流量特性的定义,采用曲线包络的数学方法,推导出了直线和等百分比流量特性柱塞型阀芯形面的数学模型,并通过实例对所建模型进行了验证。该数学模型可为调节阀柱塞型阀芯形面的计算机辅助设计(CAD)提供理论依据,具有一定的工程实际意义。
According to the definition of the flow characteristics of control value,adopting the curve-envelope method,the value plug equations of the linear flow characteristic and the equal-percentage characteristic was derived,and also the examples was take to verify them.The mathematical model can be a better theoretical base of CAD of the value plug,and it is also full of realistic meanings in engineering.
关键词(KeyWords):
调节阀;流量特性;阀芯;数学模型
control value;flow characteristics;value plug;mathematical model
基金项目(Foundation): 宁夏自然科学基金项目(NZ0721)
作者(Author):
杨明,安培文
YANG Ming1,AN Pei-wen2 (1.Ningxia University