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., IL (USA)
- DOE Contract Number:
- W-31109-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
140901* -- Solar Thermal Utilization-- Space Heating & Cooling
140907 -- Solar Thermal Utilization-- Water Heating
APPLIANCES
DESIGN
DRAIN-DOWN SYSTEMS
ENERGY SYSTEMS
EQUIPMENT
EVACUATED COLLECTORS
EVACUATED TUBE COLLECTORS
FLAT PLATE COLLECTORS
HEATERS
HEATING
HEATING SYSTEMS
MAINTENANCE
RECOMMENDATIONS
RELIABILITY
SOLAR COLLECTORS
SOLAR EQUIPMENT
SOLAR HEATING
SOLAR HEATING SYSTEMS
SOLAR SPACE HEATING
SOLAR WATER HEATERS
SPACE HEATING
START-UP
WATER HEATERS