Optical Design of a Solar Dish Concentrator Based on Triangular Membrane Facets

Table 1

Parameters of the simulated concentrator.

Parameters	Numerical value
Concentrator aperture	𝐷 = 6 m
Focal-diameter ratio	𝐹/𝐷=0.4~1.6
Incident direct solar flux	𝐼0 = 1309.2 W/m^2
Target size	𝑅target = 0.15 m
Receiver type	Flat, without shadowing
Number of facets	𝑁=9, 10, 11, 12
Half-cone angle of sun disk	𝜃sun = 4.65 mrad
Surface error	𝜎𝑠 = 0, 10 mrad
Reflectivity of facets	1
equal sectors divided	𝑚=6