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Statistical properties and correlation functions for drift wavesThe dissipative one-field drift wave equation is solved using the pseudospectral method to generate steady-state fluctuations. The fluctuations are analyzed in terms of space-time correlation functions and modal probability distributions. Nearly Gaussian statistics and exponential decay of the two-time correlation functions occur in the presence of electron dissipation, while in the absence of electron dissipation long-lived vortical structures occur. Formulas from renormalized, Markovianized statistical turbulence theory are given in a local approximation to interpret the dissipative turbulence.
Document ID
19860053173
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Horton, W.
(California, University Santa Barbara; Texas, University, Austin, United States)
Date Acquired
August 12, 2013
Publication Date
May 1, 1986
Publication Information
Publication: Physics of Fluids
Volume: 29
ISSN: 0031-9171
Subject Category
Physics (General)
Accession Number
86A37911
Funding Number(s)
CONTRACT_GRANT: DE-FG05-80ET-53088
CONTRACT_GRANT: NSF PHY-82-17853
Distribution Limits
Public
Copyright
Other

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