Life cycle energy metrics and CO 2 credit analysis of a hybrid photovoltaic/thermal greenhouse dryer

P. Barnwal and G. N. Tiwari

International Journal of Low-Carbon Technologies, 2008, vol. 3, issue 3, 203-220

Abstract: In this paper, life cycle energy metrics, such as energy payback time (EPBT), energy production factor (EPF) and life cycle conversion efficiency (LCCE), and mitigation of CO 2 emissions for a hybrid photovoltaic/thermal (PV/T) greenhouse dryer have been analyzed. The hybrid PV/T greenhouse (roof type even span) dryer, designed and constructed at Solar Energy Park, Indian Institute of Technology, New Delhi (28°35′N, 77°12′E, 216 m above MSL), India, has a 2.50 m × 2.60 m floor area, 1.80 m central height and 1.05 m side walls height from ground and a 30° roof slope. The EPBT of the hybrid PV/T greenhouse dryer has been analyzed on an energy basis. The net CO 2 mitigations and carbon credit earned by using a hybrid PV/T greenhouse dryer have also been highlighted. Copyright , Manchester University Press.

Date: 2008
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