A concentration measurement system for binary gas mixtures using two flowmeters

被引：20
|
作者：
Yamazaki, Shunpei
Funaki, Tatsuya
Kawashima, Kenji
Kagawa, Toshiharu
机构：
[1] Tokyo Inst Technol, Grad Sch, Midori Ku, Yokohama, Kanagawa 2268503, Japan
[2] Tokyo Inst Technol, Precis & Intelligence Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 2007年 / 18卷 / 09期
关键词：
gas mixture; concentration measurement; venturi flowmeter; laminar flowmeter;
D O I：
10.1088/0957-0233/18/9/004
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A system has been constructed for measurement of the gas concentration in a binary gas mixture and of the total flow rate of the gas mixture, using a venturi flowmeter and a laminar flowmeter. The flow rate and air concentration in tested gas mixtures, consisting of air and carbon dioxide or helium, are measured. The results are compared with reference values and the obtained results are found to be similar to those obtained using existing flowmeters and concentration meters. The response of the system to the flow rate and the mixing ratio change is tested. The flow rate change response is approximately equivalent to existing flowmeters, and the concentration change response is better than for existing meters.
引用
收藏
页码：2762 / 2768
页数：7
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