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Journal of Porous Media
インパクトファクター: 1.752 5年インパクトファクター: 1.487 SJR: 0.43 SNIP: 0.762 CiteScore™: 2.3

ISSN 印刷: 1091-028X
ISSN オンライン: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v19.i10.50
pages 901-912

SLIP VELOCITY AND TEMPERATURE JUMP EFFECTS ON CONVECTION FROM A VERTICAL SURFACE EMBEDDED IN SATURATED POROUS MEDIA

Hamzeh M. Duwairi
Mechanical Engineering Department, Faculty of Engineering and Technology, The University of Jordan, 11942, Amman, Jordan
V. M. Al-Khliefat
Jordanian Military Forces

要約

In this, work the slip velocity and temperature jump effects on convection from a vertical plate embedded in porous media using a Darcy model has been investigated numerically. Governing equations, continuity, Darcy law, and energy were transformed into dimensionless form using a set of suitable variables and then solved numerically using a finite difference method. Results obtained were graphically drawn to illustrate the effects of slip velocity and temperature jump on the near-plate fluid velocity, temperature, shear stress, and Nusselt number. It was found that increasing of slip velocity caused decreasing in velocity and increasing heat transfer rates near the surface, while the increasing of temperature jump parameter reduced velocity and heat transfer between surface and fluid. Besides temperature jump, heat transfer is most enhanced in mixed convection compared with natural and forced convection. It was also found that the slip velocity and temperature jump do not affect the rate of forced convection heat transfer.


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