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Effects of Ion‐Atom Collisions on the Propagation and Damping of Ion‐Acoustic Waves

 

作者: H. K. Andersen,   N. D'Angelo,   V. O. Jensen,   P. Michelsen,   P. Nielsen,  

 

期刊: Physics of Fluids(00319171)  （AIP Available online 1968）
卷期: Volume 11, issue 6  

页码: 1177-1180

 

ISSN:0031-9171

 

年代: 1968

 

DOI:10.1063/1.1692080

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Experiments are described on ion‐acoustic wave propagation and damping in alkali plasmas of various degrees of ionization. An increase of the ratioTe/Tifrom 1 to approximately 3‐4, caused by ion‐atom collisions, results in a decrease of the (Landau) damping of the waves. At high gas pressure and/or low wave frequency a “fluid” picture adequately describes the experimental results.

 

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