MODELLLING OF A FLAT – PLATE SOLAR COLLECTOR USING COMSOL MULTIPHYSICS – BAYERO JOURNAL OF ENGINEERING AND TECHNOLOGY

MODELLLING OF A FLAT – PLATE SOLAR COLLECTOR USING COMSOL MULTIPHYSICS

Publication Date : 01/02/2011

Author(s) :

Garba, I..

Volume/Issue :

Volume 6

Issue 1

(02 - 2011)

Abstract :

The paper presents a mathematical model of a serpentine flow flat-plate solar collector using COMSOL multiphysics. The numerical simulations are focused on the thermal and hydrodynamics behaviour of the collector, numerically solving the energy equation as well as the Navier-stokes equations for an incompressible fluid. Numerical results, involving a part of the serpentine, show that an efficiency of 84.5% was obtained from the 2-D simulations for a maximum plate temperature of 31.7oC. The fluid temperature rise was 18.7oC and the overall collector heat loss coefficient was 3.1 W/m2K. An efficiency of 87% was obtained from the 3-D simulation for a fluid temperature rise of 20.5oC.

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