Solar air heater

Details Solar air heater Solar air heater

1977-08-12

1981-04-21

Yeung, James C.

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

126441, 126449, F24J 302

Patent

active

042626579

ABSTRACT:
A solar air heater including a housing having a transparent front wall and an inlet and outlet for establishing a flow path for a gas such as air to be heated and a porous radiation absorbent collector plate positioned across the flow path and arranged to accept incident solar radiation passing through the front wall wherein a radiation trap is placed inside the housing either adjacent to the front wall, directly on top of the collector plate or between the collector plate and the front wall. The radiation trap has a cellular structure such as honeycomb and is made from a material which is light-transmitting but opaque to infrared radiation emitted from the collector plate in a direction toward the front wall. When the radiation trap is placed adjacent to the front wall the trap can additionally serve as an air buffer layer. In this instance, however, the radiation trap must be maintained in at least firm mechanical contact with the front wall and preferably the trap is actually bonded to the front wall.

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Whillier, "Black-Painted Solar Air Heater of Conventional Design", Solar Energy, vol. 8, No. 1, pp. 31-37, Pergamon Press (1964).
Selcuk, "Thermal and Economic Analysis of the Overlapped-Glass Plate Solar-Air-Heater", Solar Energy, vol. 13, pp. 165-191, Pergamon Press (1971).
Henderson et al., "Performance of a Matrix Solar Collector for Heating Air", 1975 Annual Meeting of the American Society of Agricultural Engineer, 6/22-25, 1975, pp. 75-3005.
Edward et al., "End-Clearance Effects on Rectangular-Honeycomb Solar Collector", Solar Energy, vol. 18, pp. 253-257, Pergamon Press (1976).
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Chun et al., "Effect of a Mylar Honeycomb Layer on Solar Collector Performance", 1974 Winter Annual Meeting of ASME (Paper No. 74-WA/HT-11).
Marshall et al., "Use of Lexan and Kapton Honeycombs to Increase Solar Energy Efficiency", 16th National Heat Transfer Conference, St. Louis, Mo., 8/8-11, 1976.
Bliss, "Solar House Heating-A Panel", Proceedings, World Symposium of Applied Solar Energy, Phoenix, 1955, pp. 151-158.

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