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Resistive pressure‐gradient‐driven turbulence with self‐consistent flow profile evolution

 

作者: B. A. Carreras,   V. E. Lynch,   L. Garcia,   P. H. Diamond,  

 

期刊: Physics of Fluids B: Plasma Physics  (AIP Available online 1993)
卷期: Volume 5, issue 5  

页码: 1491-1505

 

ISSN:0899-8221

 

年代: 1993

 

DOI:10.1063/1.860889

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Resistive pressure‐gradient‐driven turbulence causes a modification of the average poloidal flow profile through Reynolds stress. The poloidal flow profile modification can be induced through a diamagnetic term and/or ‘‘seed’’ flow. This leads to several possible results for the steady‐state poloidal flow profile. If this profile is such thatV‘&thgr;≠0 at the singular surface, there is a reduction in linear growth rate and suppression of the fluctuation. WhenV‘&thgr;= 0 andV’&thgr;≠0, there is linear stabilization but the fluctuation suppression is weak.

 

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