CUED Publications database

Semi-implicit second order finite volume jet stream computations

Tucker, PG and Long, CA (1996) Semi-implicit second order finite volume jet stream computations. International Journal of Numerical Methods for Heat and Fluid Flow, 6. pp. 39-50. ISSN 0961-5539

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Abstract

Semi-implicit, second order temporal and spatial finite volume computations of the flow in a differentially heated rotating annulus are presented. For the regime considered, three cyclones and anticyclones separated by a relatively fast moving jet of fluid or "jet stream" are predicted. Two second order methods are compared with, first order spatial predictions, and experimental measurements. Velocity vector plots are used to illustrate the predicted flow structure. Computations made using second order central differences are shown to agree best with experimental measurements, and to be stable for integrations over long time periods (> 1000s). No periodic smoothing is required to prevent divergence.

Item Type: Article
Uncontrolled Keywords: Heated rotating annulus Jet streams Semi-implicit second order finite volume
Subjects: UNSPECIFIED
Divisions: Div A > Fluid Mechanics
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:25
Last Modified: 08 Dec 2014 02:29
DOI: