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Title: Hot Water Distribution System Model Enhancements

Abstract

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%.

Authors:
;
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy Building Technologies Program
OSTI Identifier:
1059152
Report Number(s):
DOE/GO-102012-3626
KNDJ-0-40340-00
DOE Contract Number:  
AC36-08GO28308
Resource Type:
Technical Report
Resource Relation:
Related Information: Work performed by Alliance for Residential Building Innovation (ARBI), Davis, California
Country of Publication:
United States
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; ARBI; HOT WATER DISTRIBUTION SYSTEMS; SIMULATION MODELS; VALIDATION; HEAT TRANSFER MODELING; RESIDENTIAL; RESIDENTIAL BUILDING; ALLIANCE FOR RESIDENTIAL BUILDING INNOVATION; BUILDING AMERICA; Electricity, Resources, and Buildings Systems; Buildings

Citation Formats

Hoeschele, M., and Weitzel, E. Hot Water Distribution System Model Enhancements. United States: N. p., 2012. Web. doi:10.2172/1059152.
Hoeschele, M., & Weitzel, E. Hot Water Distribution System Model Enhancements. United States. doi:10.2172/1059152.
Hoeschele, M., and Weitzel, E. Thu . "Hot Water Distribution System Model Enhancements". United States. doi:10.2172/1059152. https://www.osti.gov/servlets/purl/1059152.
@article{osti_1059152,
title = {Hot Water Distribution System Model Enhancements},
author = {Hoeschele, M. and Weitzel, E.},
abstractNote = {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%.},
doi = {10.2172/1059152},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2012},
month = {11}
}

Technical Report:

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