Shell model for rotating turbulence
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Abstract
A modified shell model for rotating turbulence is proposed. The effect of rotation is introduced by a randomized linear term. Randomization is shown to be important in correctly modeling the rotation effect. Numerical simulation shows that the exponent of the energy spectrum in the inertial range changes from –5/3 to –2 as rotation rate increases. The mechanism behind this change is explained by weak turbulence theory and supported by numerical results.
Journal
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- Physical Review E
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Physical Review E 70 (4), 46311-1-046311-6, 2004-10-29
American Physical Society
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Details 詳細情報について
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- CRID
- 1571980077535845632
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- NII Article ID
- 120002440747
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- NII Book ID
- AA11558033
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- ISSN
- 15393755
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- Web Site
- http://hdl.handle.net/10228/566
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- Text Lang
- en
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- Data Source
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- CiNii Articles