Design of a 25 MWe Solar Thermal Power Plant in Iran with Using Parabolic Trough Collectors and a Two-Tank Molten Salt Storage System

Table 1

The main geometrical and optical parameters of a collector.

Aperture width (m)	6.64	Outer dimension of a glass cover (cm)	7.0
Inner dimension of a thermal pipe (cm)	3.5	Glass cover emissivity	0.9
Outer dimension of a thermal pipe (cm)	4.2	Receiver tube (pipe) emissivity	0.2
Inner dimension of a glass cover (cm)	6.7	Optical efficiency	0.8