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A composite cavity model for axisymmetric high Reynolds number separated flow I: modelling and analysis

โœ Scribed by P. Wilmott; A. D. Fitt

Publisher
Springer
Year
1992
Tongue
English
Weight
809 KB
Volume
26
Category
Article
ISSN
0022-0833

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โœฆ Synopsis

A model is proposed for the separated high Reynolds number flow past a three-dimensional slender axisymmetric body. The current 'composite' model assumes that the separated region consists of both a region of constant pressure and a Prandtl-Batchelor region. Matched asymptotic expansions are employed to recover a nonlinear integro-differential equation for the shape of the separated region. Asymptotic solutions of this equation are obtained, and predictions for the pressure profile behind the body are given.

๐Ÿ“œ SIMILAR VOLUMES

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A composite cavity model for axisymmetric high Reynolds number separated flow II: Numerical analysis and results
โœ A. D. Fitt; P. Wilmott ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› Springer ๐ŸŒ English โš– 632 KB

In a companion paper (Wilmott and Fitt (1992)) a model was proposed for the separated high Reynolds number flow past a three-dimensional slender axisymmetric body. This 'composite' model assumes that downstream of the body there is both a region of constant pressure and a Prandtl-Batchelor region. M

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An algebraic heat flux model is applied to predict turbulent heat transfer in separated and reattaching flows. Based on the prior low-Reynolds-number k-s model of Park and Sung (1995), an improved version of the nonequilibrium heat transfer model is developed. The model performance is examined by so