高温永磁式液态金属流量计的应用

Application of High Temperature Permanent Magnet Liquid Metal Flow Meter

液态金属冷却剂具有大比热容、大热导率、低熔点、高沸点的良好热工特性,是目前快堆的优选冷却剂类型,对液态金属冷却剂的热工特性研究也正在兴起。本文通过高温永磁式液态金属流量计的质量流量理论计算与实际标定数据的对比,分析了理论计算精确度预计与实用分度特性方程式精确度预计的差异,并给出了实用分度特性方程式参数的计算方法。

Liquid metal coolant has good thermal characteristics of specific heat capacity,large thermal conductivity,low melting point,which is preferred as the coolant of fast reactors at present.Research on the thermal characteristics of liquid metal coolant is also emerging.In this paper,by comparing the thermal calculation and actual calibration data of mass flow rate of high temperature permanent magnet liquid metal flow meter,the difference between the accuracy prediction of theoretical calculation and the accuracy prediction of practical indexing characteristic equation is analyzed,and the calculation method of practical scoring characteristic equation parameters about permanent magnet liquid metal flow meter is given.