South Dakota School of Mines, Keystone, South Dakota: solar energy system performance evaluation, December 1979-May 1980
Abstract
Performance of the South Dakota School of Mines solar energy system from December 1979 to May 1980 is described. The system is installed in the Mt. Rushmore National Memorial Visitors' Center near Keystone, South Dakota. The site is located at 44/sup 0/N latitude and 1600 m elevation. The building has 540 m/sup 2/ of conditioned space and a design overall thermal transfer coefficient (UA) of 0.22 GJ(/sup 0/C/sub <21/ d)/sup -1/. The solar energy system is of liquid-based active type, with 187 m/sup 2/ of flat-plate collector area and 11.4 m/sup 3/ of water thermal storage. The site experienced average irradiance of 155 WM/sup -2/ and average ambient temperature of 2/sup 0/C during the period described. Under these conditions, the solar energy system supplied 43% of the energy required for space heating, saving 3790 liters of fuel oil that would otherwise have been burned. Storage temperature set points for energy supply to space heating were investigated during the season, and results of the investigation are described. The regime of 38/sup 0/C threshold and 32/sup 0/C cutoff temperature was found to be optimal.
- Authors:
- Publication Date:
- Research Org.:
- Automation Industries, Inc., Silver Spring, MD (USA). Vitro Labs. Div.
- OSTI Identifier:
- 7045029
- Report Number(s):
- SOLAR/2019-80/14
- DOE Contract Number:
- AC01-76CS32399; AC01-79CS30027
- Resource Type:
- Technical Report
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY; BUILDINGS; SOLAR SPACE HEATING; SOLAR HEATING SYSTEMS; PERFORMANCE; AMBIENT TEMPERATURE; CLIMATES; FLAT PLATE COLLECTORS; HEAT TRANSFER; INSOLATION; SENSIBLE HEAT STORAGE; SOUTH DAKOTA; TANKS; WATER; CONTAINERS; ENERGY STORAGE; ENERGY TRANSFER; EQUIPMENT; HEAT STORAGE; HEATING; HEATING SYSTEMS; HYDROGEN COMPOUNDS; NORTH AMERICA; OXYGEN COMPOUNDS; ROCKY MOUNTAIN REGION; SOLAR COLLECTORS; SOLAR EQUIPMENT; SOLAR HEATING; SPACE HEATING; STORAGE; USA; 140901* - Solar Thermal Utilization- Space Heating & Cooling
Citation Formats
Klotz, J. H. South Dakota School of Mines, Keystone, South Dakota: solar energy system performance evaluation, December 1979-May 1980. United States: N. p., 1980.
Web. doi:10.2172/7045029.
Klotz, J. H. South Dakota School of Mines, Keystone, South Dakota: solar energy system performance evaluation, December 1979-May 1980. United States. https://doi.org/10.2172/7045029
Klotz, J. H. 1980.
"South Dakota School of Mines, Keystone, South Dakota: solar energy system performance evaluation, December 1979-May 1980". United States. https://doi.org/10.2172/7045029. https://www.osti.gov/servlets/purl/7045029.
@article{osti_7045029,
title = {South Dakota School of Mines, Keystone, South Dakota: solar energy system performance evaluation, December 1979-May 1980},
author = {Klotz, J. H.},
abstractNote = {Performance of the South Dakota School of Mines solar energy system from December 1979 to May 1980 is described. The system is installed in the Mt. Rushmore National Memorial Visitors' Center near Keystone, South Dakota. The site is located at 44/sup 0/N latitude and 1600 m elevation. The building has 540 m/sup 2/ of conditioned space and a design overall thermal transfer coefficient (UA) of 0.22 GJ(/sup 0/C/sub <21/ d)/sup -1/. The solar energy system is of liquid-based active type, with 187 m/sup 2/ of flat-plate collector area and 11.4 m/sup 3/ of water thermal storage. The site experienced average irradiance of 155 WM/sup -2/ and average ambient temperature of 2/sup 0/C during the period described. Under these conditions, the solar energy system supplied 43% of the energy required for space heating, saving 3790 liters of fuel oil that would otherwise have been burned. Storage temperature set points for energy supply to space heating were investigated during the season, and results of the investigation are described. The regime of 38/sup 0/C threshold and 32/sup 0/C cutoff temperature was found to be optimal.},
doi = {10.2172/7045029},
url = {https://www.osti.gov/biblio/7045029},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jan 01 00:00:00 EST 1980},
month = {Tue Jan 01 00:00:00 EST 1980}
}