FREE EXPANSION FOR REAL GASES

被引：13
|
作者：
GOUSSARD, JO
ROULET, B
机构：
[1] UNIV PARIS 07,CNRS,URA 17,PHYS SOLIDES GRP,F-75251 PARIS 05,FRANCE
[2] UNIV PARIS 06,F-75251 PARIS 05,FRANCE
来源：
AMERICAN JOURNAL OF PHYSICS | 1993年 / 61卷 / 09期
关键词：
D O I：
10.1119/1.17417
中图分类号：
G40 [教育学];
学科分类号：
040101 ; 120403 ;
摘要：
It is sometimes ''proved'' by simple physical arguments that real gases get cooler when experiencing a free expansion. These arguments are in some way incorrect since the result is in contradiction with experiment, at least for some gases. We show how these arguments can be corrected and find that there is an ''inversion temperature'' for all real gases. Values of the inversion temperature can be easily estimated and are compared with experiments.
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页码：845 / 848
页数：4
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