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双锥流量传感器的数值模拟与优化设计
引用本文:徐英,安俊达,龙征海,高璐.双锥流量传感器的数值模拟与优化设计[J].天津大学学报(自然科学与工程技术版),2013(11):984-990.
作者姓名:徐英  安俊达  龙征海  高璐
作者单位:[1]天津大学电气与自动化工程学院,天津300072 [2]天津市过程检测与控制重点实验室,天津300072 [3]中国石油西南油气田公司川中油气矿,成都610051
基金项目:国家自然科学基金资助项目(60974118); 天津市应用基础及前沿技术研究计划资助项目(08JCYBJC1180)
摘    要:以数值仿真和实验两方面研究了一种新型的双锥流量传感器,考察了该传感器的关键几何参数即前锥角、后锥角、等效直径比及槽道长度对流出系数、线性度及相对压力损失等性能指标的影响,并预测得到了1个最优模型进行实流实验标定.采用正交实验法进行CFD数值模拟.分析结果表明:前锥角对双锥流量传感器相对压力损失、流出系数及流出系数线性度有重要的影响;后锥角则对相对压力损失有重要影响.最终实流实验验证结果与仿真计算结果具有良好的吻合度.

关 键 词:双锥流量传感器  正交实验法  流出系数  线性度  相对压力损失

Numerical Simulation and Optimum Design of Double-Cone Flowsensor
Xu Ying;An Junda;Long Zhenghai;Gao Lu.Numerical Simulation and Optimum Design of Double-Cone Flowsensor[J].Journal of Tianjin University(Science and Technology),2013(11):984-990.
Authors:Xu Ying;An Junda;Long Zhenghai;Gao Lu
Institution:Xu Ying;An Junda;Long Zhenghai;Gao Lu;School of Electrical Engineering and Automation,Tianjin University;Tianjin Key Laboratory for Process Measurement and Control;Chuan Zhong Division of PetroChina,Southwest Oil and Gasfield Company;
Abstract:Using computational fluid dynamics(CFD)method and orthogonal experiment,the influence of key geometric factors of a new type of double-cone flowsensor,such as fore-and-aft cone angle,equivalent diameter ratio and channel flow length,on the discharge coefficient,linearity and relative pressure loss was investigated,and finally the best optimal match of these geometric factors was predicted. The simulation results show that the fore cone angle of double-cone flowsensor has significant influence on relative pressure loss,the discharge coefficient and its linearity.The aft cone angle has strong influence on the relative pressure loss. The results simulated by CFD are in good agreement with those obtained by actual flow experiment.
Keywords:double-cone flowsensor  orthogonal experiment method  discharge coefficient  linearity  relative pressure loss
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