Performance Optimization of Unglazed Nanofluid Photovoltaic/Thermal System: Energy and Exergy Analyses

Table 1

Thermophysical properties of nanoparticles.

Nanoparticles	Properties
	Specific heat (J/kg·K)	Thermal conductivity (W/m·K)	Density (kg/m^3)
Copper oxide	551	32.9	6310
Aluminum oxide	773	30	3890
Pure water	4179	0.613	997.1