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مکانیک::
بازتابنده تیز هلالی
Cusp reflector within
The whole assembly is kept at a focal point of the cusp reflector as shown in Fig. 7.6a.
Solar radiation is reflected back to the outer glass of the coaxial tube from the cusp reflector.
(ii) an internal cusp reflector is shown in Fig. 7.10a.
Fig. 7.10 a Cross-sectional view of a Corning evacuated tubular solar collector (ETSC) with heat pipe and internal cusp reflector. b Cross-sectional view of a Gumman evacuated tubular solar collector
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