Experimental Performance of a Solar Collector in Solar Chimney Power Plant System

Summary

Experiments on the collector of a solar chimney power plant compare two ways of storing heat: a pebble bed alone, and black-surfaced water tubes combined with pebbles. Pebbles raised the temperature rise of the air across the collector, while the tube-and-pebble arrangement gave hotter air and better collector efficiency. Different pebble bed heights were tested to find the best one.

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