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NUMERICAL MODELING AND PERFORMANCE EVALUATION OF MULTI-PASS SOLAR AIR HEATER

Soheil Soleimanikutanei
Dept. of Mechanical and Materials Engineering, Florida International University, Miami, FL 33174, USA

Long Phan
Dept. of Mechanical and Materials Engineering, Florida International University, Miami, FL 33174, USA

E. J. Lee
Building Integrated Renewable Energy Design, Korea Institute of Energy Research, Daejeon, South Korea

Cheng-Xian Lin
Department of Mechanical and Materials Engineering Florida International University, Miami, Florida 33174, USA

DOI: 10.1615/TFEC2018.rce.021522
pages 1591-1598


键词 Solar heater, air thermal collector, flat fins, CFD application, numerical heat transfer

摘要

Application of solar energy in energy recovery systems for both industrial and residential applications are becoming more popular due to the public's environmental concerns, solar technology's low cost, and availability. In this study, the performance of a multi-pass Solar Air Heater (SAH) for different lengths of flat fins has been studied numerically. An experimental test rig was prepared and the results have been collected during the winter at Daejeon, South Korea. The obtained results were used as the benchmark for the numerical simulations. A numerical model has been developed in the Ansys Fluent commercial code using the appropriate User Defined Functions (UDFs) and has been validated against the obtained experimental data. Using the developed numerical setup the effect of different working conditions on the total heat transfer of the SAH has been studied.

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