MODIFICATION OF DEVONSHIRE FORMULA FOR THERMAL ACCOMMODATION COEFFICIENT OF HELIUM ON TUNGSTEN

被引：11

作者：

ROACH, DV

HARRIS, RE

机构：

[1] Department of Chemistry, Graduate Center for Cloud Physics Research, University of Missouri- Rotta, Rotta, MO

[2] Department of Chemistry, University of Missouri-Columbia, Columbia, MO

来源：

JOURNAL OF CHEMICAL PHYSICS | 1969年 / 51卷 / 08期

关键词：

D O I：

10.1063/1.1672526

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The thermal accommodation coefficients (a.c.) of 3He and of 4He on clean tungsten were calculated using the Devonshire formula for temperatures between 70 and 600°K using realistic" Morse potential parameters. The calculated a.c. values for 3He and 4He and the calculated ratios of the 4He to 3He values are compared with experimental data. The agreement is satisfactory if allowance is made for the error in the transition probability calculation used in the Devonshire formula."

引用

页码：3404 / &

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