Validating the Goldstein-Wehner law for the stratified positive column of dc discharge in an undergraduate laboratory

被引:29
作者
Lisovskiy, V. A. [1 ,2 ]
Koval, V. A. [1 ]
Artushenko, E. P. [1 ]
Yegorenkov, V. D. [1 ]
机构
[1] Kharkov Natl Univ, UA-61022 Kharkov, Ukraine
[2] Sci Ctr Phys Technol, UA-61022 Kharkov, Ukraine
关键词
STRIATION FORMATION;
D O I
10.1088/0143-0807/33/6/1537
中图分类号
G40 [教育学];
学科分类号
040101 ; 120403 ;
摘要
In this paper we suggest a simple technique for validating the Goldstein-Wehner law for a stratified positive column of dc glow discharge while studying the properties of gas discharges in an undergraduate laboratory. To accomplish this a simple device with a pre-vacuum mechanical pump, dc source and gas pressure gauge is required. Experiments may be performed in nitrogen or even in air. First you need to photograph the discharge tube with striations at different gas pressure values and then you need to determine the thickness of the first striation on a computer monitor.
引用
收藏
页码:1537 / 1545
页数:9
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