NATURAL CONVECTION IN AN INCLINED POROUS TRIANGULAR ENCLOSURE WITH VARIOUS THERMAL BOUNDARY CONDITIONS

被引：13

作者：

Sivasankaran, Sivanandam ^{[1
]}

Cheong, Huey Tyng ^{[2
,3
]}

Bhuvaneswari, Marimuthu ^{[4
]}

机构：

[1] King Abdulaziz Univ, Dept Math, Jeddah, Saudi Arabia

[2] Univ Malaya, Inst Math Sci, Fac Sci, Kuala Lumpur, Malaysia

[3] Sunway Univ, Sch Math Sci, Sunway City, Malaysia

[4] Kongunadu Polytech Coll, Dept Math, Dindigul, Tamil Nadu, India

来源：

THERMAL SCIENCE | 2019年 / 23卷 / 02期

关键词：

natural convection; triangular enclosure; inclination; porous medium; MIXED CONVECTION; SQUARE CAVITY; HEAT-TRANSFER; NUMERICAL-ANALYSIS; ASPECT-RATIO; DIRECTION; ANGLE;

D O I：

10.2298/TSCI160130159S

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The aim of the study is to analyse the effect of two different thermal boundary conditions on natural convection in a porous triangular enclosure. Sinusoidal and linearly varying temperature profiles on the left wall are considered. The top wall of the enclosure is kept to be adiabatic. The Darcy model is adopted in this study and the governing equations are solved using the finite difference method for various values of inclination angle and Darcy-Rayleigh number. The results are presented in the form of streamlines, isotherms, and Nusselt numbers. The heat transfer rates are calculated and compared between two thermal boundary conditions. The heat transfer is more enhanced in the case of sinusoidal wall temperature than linearly varying wall temperature.

引用

页码：537 / 548

页数：12

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