Modeling and Characteristic Parameters Analysis of a Trough Concentrating Photovoltaic/Thermal System with GaAs and Super Cell Arrays

Table 1

Parameters of structure materials of the system.

	Super cell array					GaAs cell array
	Cell array	Thermally conductive tape	Aluminum alloy plate	Conduit	Thermally insulating layer	Cell array	Thermally conductive tape	Aluminum alloy plate	Conduit	Thermally insulating layer
Thermal conductivity coefficient; λ (W·m^2/°C)	150.0	0.42	107.0	107.0	0.04	55.0	0.42	107.0	107.0	0.04
Absorptivity a	0.80	0.30	0.60	—	0.20	0.85	0.30	0.60	—	0.20
Emissivity p	0.35	—	0.10	—	0.20	0.30	—	0.10	—	0.20
Thickness d (mm)	0.30	0.40	5.00	4.00	42.50	0.70	0.40	5.00	4.00	42.50