大管径气体流速测量系统  

Measuring system of gas flow velocity in heavy pipe

作　　者：安伟 魏任之[2] 张启明[2] 

机构地区：[1]江南大学机械工程学院,江苏无锡214063 [2]中国矿业大学,江苏徐州221008

出　　处：《传感器技术》2003年第11期18-20,共3页Journal of Transducer Technology

摘　　要：利用电离的方式对大管径气体流速进行测量,实验研究了气体电离方式、检测极板形式和偏压等因素对测量系统的影响,设计了Φ630mm管径β射线电离式的测量系统,实验结果表明,测速准确度可达3%,且具有较强的抗干扰和抗污染能力。Adopting gas ionized technology,gas flow velocity in heavy pipe is measured,influence of gas ionized technology and the configuration and bias voltage on detecting plates on measuring system is examined by experiments.A Φ630#mm pipe measuring system with β ray ionization is designed.Testing result indicates that the measuring accuracy of the system is in the range of 3% and it has fair capability of antidisturbance and antipollution.

关 键 词：大管径 气体流速 电离 测量系统 气体流量计量 

分 类 号：TH814[机械工程—仪器科学与技术]