Solar concentrating collector
Solar concentrating collector:- These concentrating collectors are used in which the absorber is placed along the focus axis. In this the collector pipe is used as an absorber with a selective coating. Parabolic reflectors are usually made of highly polished or silvered glass or of a film of aluminized plastic on affirm base. Instead of the reflector having a continuous form the reflector may be made of a large number of flat mirror strips on the parabolic firm base.