Hot Water Distribution System Model Enhancements
- Alliance for Residential Building Innovation (ARBI), Davis, CA (United States)
This project involves enhancement of the HWSIM distribution system model to more accurately model pipe heat transfer. Recent laboratory testing efforts have indicated that the modeling of radiant heat transfer effects is needed to accurately characterize piping heat loss. An analytical methodology for integrating radiant heat transfer was implemented with HWSIM. Laboratory test data collected in another project was then used to validate the model for a variety of uninsulated and insulated pipe cases (copper, PEX, and CPVC). Results appear favorable, with typical deviations from lab results less than 8%.
- Research Organization:
- Alliance for Residential Building Innovation (ARBI), Davis, CA (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Building Technologies Office (EE-5B) (Building America)
- DOE Contract Number:
- AC36-08GO28308; KNDJ-0-40340-00
- OSTI ID:
- 1219820
- Report Number(s):
- DOE/GO-102012-3626; 5998
- Country of Publication:
- United States
- Language:
- English
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