Likewise called a collector plate or a solar collector plate.
A plate with a black coating used in solar collectors that actively absorbs solar energy and produces heat from it.
The fluid (water or glycol heat transfer fluid) flowing through the copper tubes of the thermal collector receives the heat that has been collected and is then transferred to it.
The absorption-emission ratio is used to evaluate an absorber's performance.
A selective surface coating applied to the surface of an absorber may result in a ratio of 0.90 percent absorption to 0.10 percent emission, which is within the desirable range of 10 and above.
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