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为了指导油气管道调节阀的国产化研发工作,以较低的成本在短期内开发出高质量的产品,采用计算流体动力学(CFD)方法作为辅助手段对调节阀进行优化设计。基于某国产化调节阀的几何结构,建立不同开度下的内部流道,再通过Fluent流场分析软件进行计算,分析调节阀的流通能力、流量特性曲线、斜率偏差以及阀门内部压力和速度的分布情况,以此对调节阀的几何结构进行改进和优化。研究表明:通过CFD方法的优化设计,调节阀在流通能力、流量特性曲线以及斜率偏差等方面都很好地满足了国产化设计需求,达到了节省研发时间及制造和试验成本的目的。
In order to guide the domestic R & D of oil and gas pipeline regulating valves, high-quality products are developed in a short period of time at low cost, and the CFD method is used as an aid to optimize the design of the regulating valve. Based on the geometric structure of a local control valve, the internal flow channels with different opening degrees were established and then calculated by Fluent flow field analysis software to analyze the flow capacity, flow characteristic curve, slope deviation and internal pressure and speed of the valve Distribution, in order to adjust the geometry of the valve to improve and optimize. The research shows that through the optimization design of CFD method, the control valve meets the localization design requirements in terms of flow capacity, flow characteristic curve and slope deviation, and achieves the goal of saving R & D time and manufacturing and testing costs.