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Similarity Theory, Intermittency and Turbulences in the Stable Boundary Layer

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Abstract:

The evaluation of similarity theory, z-less formulation of turbulence, and validation for various stable conditions is addressed with the use of CASES99 data over grassland. The dependence of the flux-gradient relationships on height and stability parameters is evaluated. For very stable conditions, similarity relation based on Monin-Obukhov theory is locally invalid and new treatments are required. The flux intermittency is recommended as a good indicator of stability for very thin stable boundary layer.

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Periodical:

Key Engineering Materials (Volumes 277-279)

Pages:

618-624

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.277-279.618

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Online since:

January 2005

Authors:

Kyung Ja Ha, Kyung Eak Kim, Yu Kyung Hyun, Eun Hee Jeon, Larry Mahrt

Keywords:

Businger-Dyer Relation, Intermittency, Mixing Length, Monin-Obukhov Similarity Theory, Prandtl Number, Richardson Number, Stable Boundary Layer, Z-Less Turbulence

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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