CFD study of heat and mass transfer and entropy generation in a 3D solar distiller heated by an internal column

被引：30

作者：

Al-Rashed, Abdullah A. A. A. ^{[1
]}

Oztop, Hakan F. ^{[2
]}

Kolsi, Lioua ^{[3
,4
]}

Boudjemline, Attia ^{[3
]}

Almeshaal, Mohammed A. ^{[5
]}

Ali, Mohamed E. ^{[6
]}

Chamkhag, Ali ^{[7
,8
]}

机构：

[1] Publ Author Appl Educ & Training, Dept Automot & Marine Engn Technol, Coll Technol Studies, Kuwait, Kuwait

[2] Firat Univ, Dept Mech Engn, Technol Fac, Elazig, Turkey

[3] Univ Hail, Coll Engn, Hail City, Saudi Arabia

[4] Univ Monastir, Lab Metrol & Energy Syst, Monastir, Tunisia

[5] Al Imam Mohammad Ibn Saud Islamic Univ, Coll Engn, Dept Mech Engn, Riyadh, Saudi Arabia

[6] King Saud Univ, Coll Engn, Dept Mech Engn, Riyadh, Saudi Arabia

[7] Prince Mohammad Bin Fahd Univ, Prince Sultan Endowment Energy & Environm, Mech Engn Dept, Al Khobar 31952, Saudi Arabia

[8] Amer Univ Ras Al Khaimah, RAK Res & Innovat Ctr, POB 10021, Ras Al Khaymah, U Arab Emirates

来源：

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES | 2019年 / 152卷

关键词：

Double diffusion; CFD; Complex flow structure; Vector potential-vorticity formalism; 3D solar distiller; DOUBLE-DIFFUSIVE CONVECTION; POWER-LAW FLUIDS; NATURAL-CONVECTION; NUMERICAL-SIMULATION; HORIZONTAL TEMPERATURE; ENCLOSURE; CAVITY; SORET; MODEL;

D O I：

10.1016/j.ijmecsci.2018.12.056

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Three-dimensional computational analysis was performed to investigate the double diffusive natural convection inside a cubical solar distiller heated by a square-shaped column. Governing equations were developed using the 3D vector potential-vorticity and solved using the finite volume method. Different governing parameters, i.e., Rayleigh number 10(3) <= Ra <= 10(5), buoyancies ratio -10 <= N <= 10, geometrical parameter 0.1 <= L-h <= 0.7 for Le = 0.85 and Pr = 0.7 corresponding to humid air, were tested. It was found that both heat and mass transfer are strongly affected by the change of buoyancy ratio, geometrical parameter and Rayleigh number.

引用

页码：280 / 288

页数：9

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