A finite-volume model of a parabolic trough photovoltaic/thermal collector: Energetic and exergetic analyses

摘要: This paper presents a detailed finite-volume model of concentrating photovoltaic/thermal (PVT) solar collector. The PVT collector consists in parabolic trough concentrator and linear triangular receiver. bottom surfaces the receiver are equipped with triple-junction cells whereas top surface is covered by an absorbing surface. cooling fluid (water) flows inside channel along longitudinal direction system was discretized its axis and, for each slice computational domain, mass energy balances were considered. allows one to evaluate both thermodynamic electrical parameters Then, exergy also considered order corresponding destruction rate exergetic efficiency. Therefore, calculates magnitude irreversibilities it detect where these occur. A sensitivity analysis performed scope effect variation main design/environmental on energetic performance