Reliability and design guidelines for combined solar-space-heating and domestic hot-water systems
Concepts of combined solar space-heating and domestic hot water (DHW) systems, and techniques for development of such systems are summarized for engineers and designers. Minimum instrumentation requirements for determining whether such system are operating properly are discussed, as are start-up and trouble shooting. However, detailed information on design, sizing, and installation are not included. Flat plate and tubular collector modules and generic drain-back systems that use them are analyzed by means of block-type reliability diagrams. System reliability results, based on a 6 h/d duty cycle, are given for five collector array sizes, in terms of mean time between failures. The duty-cycle analysis approach can be similarly applied to other operating cycles.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- DOE Contract Number:
- W-31-109-ENG-38
- OSTI ID:
- 6741822
- Report Number(s):
- ANL/SDP-12; ON: DE83003341
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
SOLAR HEATING SYSTEMS
DESIGN
RELIABILITY
SOLAR WATER HEATERS
DRAIN-DOWN SYSTEMS
EVACUATED TUBE COLLECTORS
FLAT PLATE COLLECTORS
MAINTENANCE
RECOMMENDATIONS
SOLAR SPACE HEATING
START-UP
APPLIANCES
ENERGY SYSTEMS
EQUIPMENT
EVACUATED COLLECTORS
HEATERS
HEATING
HEATING SYSTEMS
SOLAR COLLECTORS
SOLAR EQUIPMENT
SOLAR HEATING
SPACE HEATING
WATER HEATERS
140901* - Solar Thermal Utilization- Space Heating & Cooling
140907 - Solar Thermal Utilization- Water Heating