CFD技术在水电机组超声波测流精度分析中的运用  

Ultrasonic Flow Measurement Accuracy Analysis Based on CFD Technology

作　　者：夏洲[1] 蔡富林[2] 李友平[3] 朱乐[1] 

机构地区：[1]国网电力科学研究院/南京南瑞集团公司,江苏省南京市210003 [2]河海大学水利水电工程学院,江苏省南京市210098 [3]中国长江三峡工程开发总公司,湖北省宜昌市443002

出　　处：《水电自动化与大坝监测》2010年第3期32-34,共3页HYDROPOWER AUTOMATION AND DAM MONITORING

摘　　要：采用计算流体力学(CFD)技术对某电站多声路超声波流量计积分误差进行分析,获得了压力管道水流分布,为多声路超声波流量计的声路选择、精度分析提供了理论依据与新的方法,并对影响精确度的其他因素进行分析,最终确定系统的精确度。Computational fluid dynamics （CFD） technology is adopted for the multi-paths ultrasonic flow measurement accuracy analysis of a hydropower station. The distribution of fluid in the penstock is obtained. New theoretical methods are offered for precision analysis and selection of ultrasonic channels. Other factors influencing precision are also analyzed. Finally,the accuracy of the system is confirmed.

关 键 词：水电厂 多声路超声波流量计 CFD 积分误差 

分 类 号：TV131.66[水利工程—水力学及河流动力学]