Performance comparison of several passive solar water heaters

Conference · Tue Jan 01 04:00:00 EST 1980 · Proc. Annu. Meet. - Am. Sect. Int. Sol. Energy Soc.; (United States)

OSTI ID:6552501

Stickney, B L ^[1]; Nagy, C

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1. New Mexico Solar Energy Association, Santa Fe

Three .076 m/sup 3/ (20 gal.) batch water heaters were constructed for the purpose of side by side testing. The test models included an Inverted Batch Water Heater, a Greenhouse Integrated Skylight Heater, and a typical Breadbox Batch Heater. These designs were chosen because of their low initial cost, simple construction, ease of freeze protection, uncomplicated operation and heating effectiveness. The results of our testing show that our test models produced 35 to 70/sup 0/C (95 to 158/sup 0/F) average water temperatures with average collection efficiencies of about 34%. Materials costs for each of these systems were $200 to $400. These systems were tested side by side during periods of both low and high thermal demand, both with and without a selective surface foil on the absorber surfaces.

• OSTI ID: 6552501
• Report Number(s): CONF-801016-(Vol.2)
• Conference Information: Journal Name: Proc. Annu. Meet. - Am. Sect. Int. Sol. Energy Soc.; (United States) Journal Volume: 5.2
• Country of Publication: United States
• Language: English

Related Subjects

14 SOLAR ENERGY
140907* -- Solar Thermal Utilization-- Water Heating
APPLIANCES
COMPARATIVE EVALUATIONS
DESIGN
EFFICIENCY
ENERGY SYSTEMS
EQUIPMENT
FABRICATION
HEATERS
HEATING SYSTEMS
PASSIVE SOLAR HEATING SYSTEMS
PERFORMANCE TESTING
SOLAR EQUIPMENT
SOLAR HEATING SYSTEMS
SOLAR WATER HEATERS
TESTING
WATER HEATERS