Theoretical and experimental study of an air solar collector with an evacuated tube cover
Journal Article
·
· J. Sol. Energy Eng.; (United States)
Theoretical calculations and experimental data on an evacuated tube solar collector with an air heat transfer medium are presented. The collector is a conventional flat plate design except that the front cover, instead of being made up of one or two sheets of flat glass, consists of a raft-like arrangement of evacuated glass tubes. The calculations indicate that an evacuated tube cover, together with a high heat transfer absorber, could give a solar collector with superior thermal performance. Experimental measurements are given for an air collector using uncoated evacuated tubes and a screen absorber. Results on internal temperatures are used to infer the effectiveness of the heat transfer between the absorber screen and the air flow. When account is taken of the measured absorber properties, the performance of the evacuated tube cover is in reasonable accord with the theory.
- Research Organization:
- General Electric Co., Schenectady, NY
- OSTI ID:
- 5484052
- Journal Information:
- J. Sol. Energy Eng.; (United States), Journal Name: J. Sol. Energy Eng.; (United States) Vol. 103; ISSN JSEED
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
141000* -- Solar Collectors & Concentrators
AIR FLOW
ANTIREFLECTION COATINGS
COATINGS
DATA
EFFICIENCY
ENERGY TRANSFER
EQUIPMENT
EVACUATED COLLECTORS
EVACUATED TUBE COLLECTORS
EXPERIMENTAL DATA
FLUID FLOW
GAS FLOW
GLASS
HEAT TRANSFER
INFORMATION
NUMERICAL DATA
PERFORMANCE
PIPES
PLATES
SOLAR COLLECTORS
SOLAR EQUIPMENT
THEORETICAL DATA
141000* -- Solar Collectors & Concentrators
AIR FLOW
ANTIREFLECTION COATINGS
COATINGS
DATA
EFFICIENCY
ENERGY TRANSFER
EQUIPMENT
EVACUATED COLLECTORS
EVACUATED TUBE COLLECTORS
EXPERIMENTAL DATA
FLUID FLOW
GAS FLOW
GLASS
HEAT TRANSFER
INFORMATION
NUMERICAL DATA
PERFORMANCE
PIPES
PLATES
SOLAR COLLECTORS
SOLAR EQUIPMENT
THEORETICAL DATA