Structure formation in rotating turbulence

33 mins 23 secs,  122.99 MB,  iPod Video  480x360,  25.0 fps,  44100 Hz,  503.01 kbits/sec
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Structure formation in rotating turbulence's image
Description: Davidson, P (Cambridge)
Monday 08 December 2008, 14:30-15:00
 
Created: 2009-01-13 16:28
Collection: The Nature of High Reynolds Number Turbulence
Publisher: Isaac Newton Institute
Copyright: Davidson, P
Language: eng (English)
Distribution: World     (downloadable)
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Author:  Davidson, P
Explicit content: No
Aspect Ratio: 4:3
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Abstract: We consider decaying rotating turbulence at a Rosby number of around unity. We show that the large-scale columnar structures so evident in many experiments and some simulations are created by linear wave propagation and not the result of triad interactions. We also discuss the reasons for the predominance of cyclones, and the mechanisms by which anisotopy feeds down to the small scales.

A seminar from the Rotating Stratified Turbulence and Turbulence in the Atmosphere and Oceans conference in association with the Newton Institute programme: The Nature of High Reynolds Number Turbulence
www.newton.ac.uk/programmes/HRT/seminars/
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