Solar energy system performance evaluation: seasonal report for Elcam Tempe Arizona State University, Tempe, Arizona
The analysis used is based on instrumented system data monitored and collected for at least one full season of operation. The objective of the analysis is to report the long-term field performance of the installed system and to make technical contributions to the definition of techniques and requirements for solar energy system design. The solar system, Elcam-Tempe, was designed to supply commercial domestic hot water heating systems that utilize two, four by eight foot flat plate collectors to heat water in a fifty-two gallon preheat tank or a fifty-two gallon domestic hot water (DHW) tank. The DHW tank provides hot water to the Agriculture Department residence at Arizona State University. The system uses an automatic cascade control system to control three independent actuators, the coolant circulation pump, the cascade valve, and the electric heating element. The system provides freeze protection by automatically circulating hot water from the hot water tank through the collectors when the collector outlet temperature is below a specified value. The building is a single story residence located at the agriculture experiment farm of the Arizona State University. The Elcam-Tempe Solar Energy System has four modes of operation.
- Research Organization:
- IBM Federal Systems Div., Huntsville, AL (USA)
- DOE Contract Number:
- AI01-76CS31037
- OSTI ID:
- 5415243
- Report Number(s):
- DOE/NASA/CR-161466
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
HOUSES
SOLAR WATER HEATING
SOLAR WATER HEATERS
PERFORMANCE
ARIZONA
FARMS
FLAT PLATE COLLECTORS
FREEZE PROTECTION
MAINTENANCE
OPERATION
SENSIBLE HEAT STORAGE
TANKS
APPLIANCES
BUILDINGS
CONTAINERS
ENERGY STORAGE
EQUIPMENT
GAS APPLIANCES
HEAT STORAGE
HEATERS
HEATING
NORTH AMERICA
RESIDENTIAL BUILDINGS
SOLAR COLLECTORS
SOLAR EQUIPMENT
SOLAR HEATING
STORAGE
USA
WATER HEATERS
WESTERN REGION
140907* - Solar Thermal Utilization- Water Heating