Research Article

Design and Simulation of a Solar Chimney PV/T Power Plant in Northwest China

Table 2

Configuration sizes and coefficients of the SCPVTPP.

ComponentValue

Solar collectorCollector radius625 m
Collector inlet height3 m
Collector cover emittance0.87
Glass extinction coefficient32 m−1
Glass thickness5 mm
Refractive index1.526

PV modulePercentage of PV area over whole solar collector area30%
Emittance0.9
Density2330 kg/m3
Specific heat capacity677 J/(kg·K)
PV cover transmittance0.912
PV efficiency under standard conditions0.115
Temperature coefficient (Br)0.0045 K−1
PV standard testing temperature298 K

ChimneyHeight550 m
Radius22.5 m

GroundMaterialGranite
Density2640 kg/m3
Specific heat capacity820 J/(kg·K)
Thermal conductivity1.73 W/(m·K)
Normal emittance0.92
Reflectance0.25

TurbineEfficiency0.8
Inlet loss coefficient0.056