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Deriving simulation parameters for storage-type water heaters using ratings data produced from the uniform energy factor test procedure : preprint / Jeff Maguire and David Roberts.
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- Book
- Government document
- Author/Creator:
- Maguire, Jeff (Mechanical engineer)
- Roberts, David, author.
- Series:
- Conference paper (National Renewable Energy Laboratory (U.S.)) ; 5500-71633.
- NREL/CP ; 5500-71633
- Language:
- English
- Subjects (All):
- Architecture and energy conservation--United States.
- Architecture and energy conservation.
- Water heaters--United States.
- Water heaters.
- Dwellings--Energy conservation--United States.
- Dwellings.
- Dwellings--Energy conservation.
- United States.
- Genre:
- technical reports.
- proceedings (reports)
- Technical reports
- Conference papers and proceedings
- Technical reports.
- Conference papers and proceedings.
- Physical Description:
- 1 online resource (7 pages) : illustrations (chiefly color).
- Place of Publication:
- Golden, CO : National Renewable Energy Laboratory, February 2021.
- Summary:
- Building energy modeling (BEM) is commonly used to estimate the energy usage of residential buildings. Uses for BEM include evaluating design options, calculating home energy ratings, demonstrating compliance with performance-based energy codes, and establishing whether designs meet voluntary program requirements, such as ENERGY STAR® qualified homes. BEM requires simulating subsystems within the building, including storage-type water heaters. Simulating the in-situ performance of residential storage water heaters requires values for key water heater parameters (including the overall heat loss coefficient (UA) and conversion efficiency (ηc) of the water heater) which can be derived from water heater rating data. The testing procedure and rating standard for residential water heaters have recently changed: the new rating standard provides a Uniform Energy Factor (UEF) rather than the Energy Factor (EF) used previously. This paper discusses how to derive the necessary model parameters from the ratings data produced from the latest test procedure.
- Contents:
- Abstract
- Introduction
- Water heater test procedure
- Example usage
- Conclusions.
- Notes:
- "Presented at the 2020 Building Performance Analysis Conference and SimBuild (BPAC)."
- "September 29-October 1, 2020."
- Includes bibliographical references (pages 5-6).
- "February 2021" -- title page.
- Description based on online resource; title from PDF title page (NREL, viewed on Oct. 13, 2021).
- OCLC:
- 1275392641
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