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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2010, Volume 51, Issue 5, Pages 42–51
(Mi pmtf1639)
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This article is cited in 1 scientific paper (total in 1 paper)
Modeling of a stable boundary layer with a low-level jet
A. F. Kurbatskiiab, L. I. Kurbatskayac a Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090, Russia
b Novosibirsk State University
c Institute of Computational Mathematics and Mathematical Geophysics, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090, Russia
Abstract:
An improved three-parameter model of turbulence is applied to study the characteristics of a flow of a stably stratified boundary layer with formation of a jet in its lower part. The results obtained show that the turbulent Prandtl number increases with increasing thermal stability, which agrees with the results of laboratory experiments and actual observations in the atmosphere. It is also shown that the gradient Richardson number is nonmonotonic in time in the range below the maximum jet velocity.
Keywords:
thermally stably stratified boundary layer, low-level jet, turbulent momentum and heat fluxes, modeling.
Received: 04.06.2009 Accepted: 25.07.2009
Citation:
A. F. Kurbatskii, L. I. Kurbatskaya, “Modeling of a stable boundary layer with a low-level jet”, Prikl. Mekh. Tekh. Fiz., 51:5 (2010), 42–51; J. Appl. Mech. Tech. Phys., 51:5 (2010), 655–662
Linking options:
https://www.mathnet.ru/eng/pmtf1639 https://www.mathnet.ru/eng/pmtf/v51/i5/p42
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