Solar energy system performance evaluation - final report for Honeywell OTS 45, Salt River Project, Phoenix, Arizona

Technical Report · Thu Sep 01 04:00:00 EDT 1983

DOI:https://doi.org/10.2172/5726186· OSTI ID:5726186

Mathur, A K

This report describes the operation and technical performance of the Solar Operational Test Site (OTS 45) at Salt River Project in Phoenix, Arizona, based on the analysis of data collected between April 1981 and March 31, 1982. The following topics are discussed: system description, performance assessment, operating energy, energy savings, system maintenance, and conclusions. The solar energy system at OTS 45 is a hydronic heating and cooling system consisting of 8208 square feet of liquid-cooled flat-plate collectors; a 2500-gallon thermal storage tank; two 25-ton capacity organic Rankine-cycle-engine-assisted water chillers; a forced-draft cooling tower; and associated piping, pumps, valves, controls and heat rejection equipment. The solar system has eight basic modes of operation and several combination modes. The system operation is controlled automatically by a Honeywell-designed microprocessor-based control system, which also provides diagnostics. Based on the instrumented test data monitored and collected during the 8 months of the Operational Test Period, the solar system collected 1143 MMBtu of thermal energy of the total incident solar energy of 3440 MMBtu and provided 241 MMBtu for cooling and 64 MMBtu for heating. The projected net annual electrical energy savings due to the solar system was approximately 40,000 kWh(e).

• Research Organization: Honeywell, Inc., Roseville, MN (USA). Technology Strategy Center
• Sponsoring Organization: USDOE
• DOE Contract Number: AC03-81CS30574
• OSTI ID: 5726186
• Report Number(s): DOE/CS/30574-T7; ON: DE84000459
• Country of Publication: United States
• Language: English

Related Subjects

14 SOLAR ENERGY
140901* -- Solar Thermal Utilization-- Space Heating & Cooling
AIR CONDITIONERS
COMPUTERIZED CONTROL SYSTEMS
CONTAINERS
CONTROL SYSTEMS
ENERGY SYSTEMS
ENGINES
EQUIPMENT
FLAT PLATE COLLECTORS
HEAT ENGINES
HEATING SYSTEMS
MONITORING
OPERATION
PERFORMANCE
RANKINE CYCLE ENGINES
SOLAR AIR CONDITIONERS
SOLAR COLLECTORS
SOLAR COOLING SYSTEMS
SOLAR EQUIPMENT
SOLAR HEATING SYSTEMS
TANKS
THERMAL ENERGY STORAGE EQUIPMENT