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Energies 2011, 4(6), 948-959; doi:10.3390/en4060948

Energy Saving Evaluation of the Ventilated BIPV Walls

Research Center for Energy Technology and Strategy, National Cheng Kung University, Taiwan/1, University Road, Tainan City 701, Taiwan
Department of Civil Engineering, National Cheng Kung University, Taiwan/1, University Road, Tainan City 701, Taiwan
Department of Interior Design, Tung Fang Design University, Taiwan/110, Dong fang Road, Hunei District, Kaohsiung City 82941, Taiwan
Author to whom correspondence should be addressed.
Received: 17 January 2011 / Revised: 30 May 2011 / Accepted: 10 June 2011 / Published: 14 June 2011
(This article belongs to the Special Issue Advances in Solar Energy)
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This study integrates photovoltaic (PV) system, building structure, and heat flow mechanism to propose the notion of ventilated Building-Integrated Photovoltaic (BIPV) walls. The energy-saving potential of the ventilated BIPV walls was investigated via engineering considerations and computational fluid dynamics (CFD) simulations. The results show that the heat removal rate and indoor heat gain of the proposed ventilated BIPV walls were dominantly affected by outdoor wind velocity and airflow channel width. Correlations for predicting the heat removal rate and indoor heat gain, the reduction ratio of the indoor heat gain, CO2 reduction, and induced indoor air exchange are introduced.
Keywords: energy; BIPV; building; CFD energy; BIPV; building; CFD
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Lai, C.-M.; Lin, Y.-P. Energy Saving Evaluation of the Ventilated BIPV Walls. Energies 2011, 4, 948-959.

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