Solar energy system performance evaluation
The Facilities Development Gas Company site is a three-story, multifamily condominium consisting of 31 units in San Diego, California. Solar energy is used for preheating domestic hot water (DHW) for the complex. The solar energy system has an array of flat-plate collectors with a gross area of 520 square feet. The area faces south at an angle of 42 degrees to the horizontal. Potable water is the transfer medium that delivers solar energy from the collector array to storage. Solar energy is stored underground in an insulated 1000-gallon glass-lined tank. Preheated water from the storage tank is supplied, on demand, to 31 conventional 52-gallon DHW tanks. When solar energy is insufficient to satisfy the hot water load, two electrical heating elements, energized separately within the individual DHW tanks, provide auxiliary energy for water heating. (MOW)
- Research Organization:
- International Business Machines Corp., Gaithersburg, MD (USA)
- DOE Contract Number:
- EG-77-C-01-4049
- OSTI ID:
- 5816035
- Report Number(s):
- SOLAR/1017-79/14
- Country of Publication:
- United States
- Language:
- English
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Solar energy system performance evaluation
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Related Subjects
140907* -- Solar Thermal Utilization-- Water Heating
APARTMENT BUILDINGS
APPLIANCES
BUILDINGS
CALIFORNIA
CONTAINERS
DATA
DATA FORMS
DEMONSTRATION PROGRAMS
EXPERIMENTAL DATA
FLAT PLATE COLLECTORS
GAS APPLIANCES
HEATERS
HYDROGEN COMPOUNDS
INFORMATION
NORTH AMERICA
NUMERICAL DATA
OXYGEN COMPOUNDS
PERFORMANCE
RESIDENTIAL BUILDINGS
SOLAR COLLECTORS
SOLAR WATER HEATERS
TABLES
TANKS
USA
WATER
WATER HEATERS
WESTERN REGION