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A numerical study of wavenumber selection in the baroclinic annulus flow system

 

作者: Huei-Iin Lu,   TimothyL. Miller,   KarenA. Butler,  

 

期刊: Geophysical & Astrophysical Fluid Dynamics  （Taylor Available online 1994）
卷期: Volume 75, issue 1  

页码: 1-19

 

ISSN:0309-1929

 

年代: 1994

 

DOI:10.1080/03091929408203644

 

出版商: Taylor & Francis Group

 

关键词: Rotating annulus flow;baroclinic waves;multiple equilibria;wavenumber transition;two-stage equilibrium;hysteresis;intransitivity

 

数据来源: Taylor

 

摘要:

An investigation is made of the wavenumber selection of baroclinic disturbances in the rotating, differentially heated annulus flow system with a three-dimensional fully nonlinear high resolution model. Along the constant thermal contrast of 10°C that traverses the nondimensional parameter space defined by the laboratory experiments of Pfefferet al.(1980b), a series of numerical experiments with a quiescent-start initial condition is conducted to explore the equilibrated flow regimes as a function of the rotation rate of the annulus.

 

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