Lawrence Berkeley Laboratory, Berkeley, California solar energy system performance evaluation, July 1980-June 1981
The Lawrence Berkeley Laboratory site is an office building in California with an active solar energy system designed to supply from 23 to 33% of the space heating load and part of the hot water load. The solar heating system is equipped with 1428 square feet of flat-plate collectors, a 2000-gallon water storage tank, and two gas-fired boilers to supply auxiliary heat for both space heating and domestic hot water. Poor performance is reported, with the solar fraction being only 4%. Also given are the solar savings ratio, conventional fuel savings, system performance factor, and the coefficient of performance. The performance data are given for the collector, storage, solar water heating and solar space heating subsystems as well as the total system. Typical system operation and solar energy utilization are briefly described. The system design, performance evaluation techniques, weather data, and sensor technology are presented. (LEW)
- Research Organization:
- Automation Industries, Inc., Silver Spring, MD (USA). Vitro Labs. Div.
- DOE Contract Number:
- AC01-79CS30027
- OSTI ID:
- 5247568
- Report Number(s):
- SOLAR/2050-81/14; ON: DE82007152
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
OFFICE BUILDINGS
SOLAR SPACE HEATING
SOLAR WATER HEATING
SOLAR HEATING SYSTEMS
PERFORMANCE
SOLAR WATER HEATERS
AUXILIARY HEATING
CALIFORNIA
COEFFICIENT OF PERFORMANCE
DESIGN
EXPERIMENTAL DATA
FLAT PLATE COLLECTORS
GAS BURNERS
MEASURING INSTRUMENTS
SENSIBLE HEAT STORAGE
SOLAR FRACTION
TANKS
WATER
WEATHER
APPLIANCES
BUILDINGS
BURNERS
CONTAINERS
DATA
ENERGY STORAGE
ENERGY SYSTEMS
EQUIPMENT
FEDERAL REGION IX
HEAT STORAGE
HEATERS
HEATING
HEATING SYSTEMS
HYDROGEN COMPOUNDS
INFORMATION
NORTH AMERICA
NUMERICAL DATA
OXYGEN COMPOUNDS
SOLAR COLLECTORS
SOLAR EQUIPMENT
SOLAR HEATING
SPACE HEATING
STORAGE
USA
WATER HEATERS
WATER HEATING
140901* - Solar Thermal Utilization- Space Heating & Cooling
140907 - Solar Thermal Utilization- Water Heating