Three-Dimensional Numerical Evaluation of Thermal Performance of Uninsulated Wall Assemblies: Preprint

Research output: Contribution to conferencePaper

Abstract

This study describes a detailed three-dimensional computational fluid dynamics modeling to evaluate the thermal performance of uninsulated wall assemblies accounting for conduction through framing, convection, and radiation. The model allows for material properties variations with temperature. Parameters that were varied in the study include ambient outdoor temperature and cavity surfaceemissivity. Understanding the thermal performance of uninsulated wall cavities is essential for accurate prediction of energy use in residential buildings. The results can serve as input for building energy simulation tools for modeling the temperature dependent energy performance of homes with uninsulated walls.
Original languageAmerican English
Number of pages10
StatePublished - 2011
EventASME 2011 International Mechanical Engineering Congress and Exposition - Denver, Colorado
Duration: 11 Nov 201117 Nov 2011

Conference

ConferenceASME 2011 International Mechanical Engineering Congress and Exposition
CityDenver, Colorado
Period11/11/1117/11/11

NREL Publication Number

  • NREL/CP-5500-52389

Keywords

  • building energy simulation
  • three-dimensional computational fluid dynamics modeling
  • uninsulated wall assemblies

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