South Dakota School of Mines, Keystone, South Dakota solar-energy-system performanceevaluation, June 1980-April 1981

Technical Report · Thu Jan 01 04:00:00 EST 1981

DOI:https://doi.org/10.2172/5351503· OSTI ID:5351503

Eck, T. F.

The South Dakota School of Mines site is the Mount Rushmore National Memorial Visitor's Center in Keystone, South Dakota. The active solar energy system is a retrofit designed to supply 45% of the heating load and 53% of the observation room cooling load. The system is equipped with 2000 square feet of flat-plate collector panels double-glazed with a black chrome absorber surface; 3000 gallons of water in an insulated tank for sensible heat storage; a two-stage fuel oil furnace for auxiliary heating; and direct expansion electric air conditioning units for auxiliary cooling. The actual heating and cooling provided are 42% and 12% respectively. The solar fraction, solar savings ratio, conventional fueld savings, electrical energy expense, system performance factor, and solar system coefficient of performance are among the performance data listed. A control problem is reported that kept the collector pump running 24 hours a day for 18 days. Performance data are given for each subsystem as well as for the overall system. Typical system operation and the system operating sequence for a day are given. The system's use of solar energy and the percentage of losses are given. Also included are a system description, performance evaluation techniques and equations, long-term weather data, chemical analysis of the antifreeze solutions, sensor technology, and typical weather and performance data for a month. (LEW)

• Research Organization: Automation Industries, Inc., Silver Spring, MD (USA). Vitro Labs. Div.
• DOE Contract Number: AC01-79CS30027
• OSTI ID: 5351503
• Report Number(s): SOLAR/2019-82/14; ON: DE82013261
• Country of Publication: United States
• Language: English

Related Subjects

14 SOLAR ENERGY
140901* -- Solar Thermal Utilization-- Space Heating & Cooling
AIR CONDITIONING
AUXILIARY HEATING
AUXILIARY SYSTEMS
BUILDINGS
COEFFICIENT OF PERFORMANCE
CONTAINERS
COOLING LOAD
DATA
EDUCATIONAL FACILITIES
EFFICIENCY
ENERGY LOSSES
ENERGY SYSTEMS
EQUIPMENT
EXPERIMENTAL DATA
FEDERAL REGION VIII
FLAT PLATE COLLECTORS
HEAT LOSSES
HEATING
HEATING LOAD
HEATING SYSTEMS
HYDROGEN COMPOUNDS
INFORMATION
LOSSES
NORTH AMERICA
NUMERICAL DATA
OPERATION
OXYGEN COMPOUNDS
PERFORMANCE
RETROFITTING
SCHOOL BUILDINGS
SOLAR AIR CONDITIONING
SOLAR COLLECTORS
SOLAR COOLING SYSTEMS
SOLAR EQUIPMENT
SOLAR FRACTION
SOLAR HEATING
SOLAR HEATING SYSTEMS
SOLAR SPACE HEATING
SOUTH DAKOTA
SPACE HEATING
TANKS
USA
WATER