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《Journal of Transducer Technology》 2002-10
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Development of a new type of gas thermal conductivity measurement equipment

TONG Jian-ping, SUI Cheng-hua, XU Lai-ding, XUN Yi-min (Inst of Elct Phys,Zhejiang University of Technology,Hangzhou 310032,China)  
The new type of gas thermal conductivity measurement equipment with thermal tungsten filement means is discussed.The temperature gradient of the measurement chamber is kept constant by the relationship between temperature and heating power and a designed unbalanced bridge.The measurement chamber must been kept with low vacuum in measuring for that gas convection affecting thermal conductivity is reduced. The result is gotten by lineal prediction way.The experiment result is in accord with the theoretical calculation.
【CateGory Index】: TP212
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