The actual scaling of a nominally third-order Reynolds stress

J. A. Krommes; G. W. Hammett

doi:10.1063/1.4879029

The actual scaling of a nominally third-order Reynolds stress

J. A. Krommes
, G. W. Hammett

PPPL Computational Science

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

It is shown that a particular higher-order Reynolds stress arising from a term in the third-order gyrokinetic Hamiltonian is smaller than it nominally appears to be. However, it does not follow that all third-order terms are unimportant. The discussion is relevant to the ongoing debate about the importance of higher-order terms in the gyrokinetic theory of momentum transport.

Original language	English (US)
Article number	054502
Journal	Physics of Plasmas
Volume	21
Issue number	5
DOIs	https://doi.org/10.1063/1.4879029
State	Published - May 2014

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1063/1.4879029

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abstract = "It is shown that a particular higher-order Reynolds stress arising from a term in the third-order gyrokinetic Hamiltonian is smaller than it nominally appears to be. However, it does not follow that all third-order terms are unimportant. The discussion is relevant to the ongoing debate about the importance of higher-order terms in the gyrokinetic theory of momentum transport.",

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AB - It is shown that a particular higher-order Reynolds stress arising from a term in the third-order gyrokinetic Hamiltonian is smaller than it nominally appears to be. However, it does not follow that all third-order terms are unimportant. The discussion is relevant to the ongoing debate about the importance of higher-order terms in the gyrokinetic theory of momentum transport.

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The actual scaling of a nominally third-order Reynolds stress

Abstract

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