大口径通风管道流量测量技术的研究进展与趋势  

Research Progress and Trend of Flow Measurement Technology for Ventilation Ducts with Large Caliber

作　　者：马世海 刘思源 MA Shi-hai;LIU Si-yuan(China Nuclear Power Engineering Co.,Ltd.)

机构地区：[1]中国核电工程有限公司

出　　处：《化工自动化及仪表》2022年第3期253-258,共6页Control and Instruments in Chemical Industry

基　　金：国防科工局基金项目(KY20006)。

摘　　要：介绍目前通风管道的布置和检测现状,综述均速管流量计、热式质量流量计和气体超声波流量计的检测原理及其在大口径通风流量检测中的应用,分析了3类仪表的研究方向。并指出目前大口径通风流量仪表的研究趋势主要集中于提高仪表的检测精度、仪表智能化、多参数检测及降低仪表造价等方向。The current situation of ventilation duct layout and its detection were described,including the measurement principle of velocity-averaging tube flowmeter,thermal mass flowmeter and gas ultrasonic flowmeter and their application in large-caliber ventilation flow detection and their later research direction.It’s pointed out that the current research trend of ventilation flow meters with large caliber mainly focuses on improving the measuring precision,intelligentization,multi-parameter detection and reducing cost of the meter.

关 键 词：流量检测 通风管道 大口径 智能化 检测精度 多参数检测 

分 类 号：TH814[机械工程—仪器科学与技术] TQ055.8[机械工程—精密仪器及机械]