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Digitale Medien

Combined free and forced convection in a porous medium between two vertical walls with viscous dissipation (1990)

Ingham, D. B. ; Pop, I. ; Cheng, P.

Springer

Transport in porous media 5 (1990), S. 381-398

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Details

ISSN: 1573-1634

Schlagwort(e): Flow in packed channel ; Darcian combined free and forced convection ; fully-developed flow ; multiple solutions

Quelle: Springer Online Journal Archives 1860-2000

Thema: Geologie und Paläontologie , Technik allgemein

Notizen: Abstract Viscous dissipation effects in the problem of a fully-developed combined free and forced convection flow between two symmetrically and asymmetrically heated vertical parallel walls filled with a porous medium is analyzed. The equation of motion contains the modified Rayleigh number for a porous medium and the small-order viscous dissipation parameter. Particular attention is given to the solutions near the critical Rayleigh numbers at which infinite flow rates are predicted. Information concerning the multiplicity of solutions at critical Rayleigh numbers is also deduced from perturbation solutions of the governing equation.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01141992

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Digitale Medien

Cavitating flows through a cascade of flat plates (1991)

Wen, X. ; Ingham, D. B.

Chichester : Wiley-Blackwell

International Journal for Numerical Methods in Fluids 12 (1991), S. 577-584

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Details

ISSN: 0271-2091

Schlagwort(e): Cascade ; Cavitating flows ; Engineering ; Engineering General

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Maschinenbau

Notizen: The purpose of this research is to consider the flow through a cascade of bluff bodies, behind which there exist cavities, by using the free streamline theory. When the wake extends to infinity, both the free surface and the velocity on the free surface are unknown and the cavitation number cannot be specified arbitrarily. Given the geometry of the cascade, a numerical method is described in which we obtain the shape of the free surface and the cavitation number. We obtain the relationship between the contraction coefficient, cavitation number and drag coefficient.

Zusätzliches Material: 3 Ill.