ANALYSIS OF HEAT TRANSFER IN BUILDING PARTITIONS WITH THE USE OF COMPUTATIONAL FLUID DYNAMICS TOOLS


Abstract

The article presents the mechanisms of heat exchange in building partitions along with a description of the phenomena occurring there. The methods of heat transport on selected examples of the construction of sandwich building walls were presented and discussed. A review of the methods allowing to determine the heat flux value by means of analytical methods and simulations based on numerical analyzes was carried out. The methodology of solving thermal problems has been presented, indicating the complexity of the phenomena occurring at the contact points of surfaces, for which the correct characteristics should be selected in more than one selected form of determining temperature distributions. Heat transport simulation was performed in ANSYS Fluent 2020 R2 software. The value of the heat flux density flowing through the outer wall of a single-family house located in Lublin, Poland was analytically determined. Three different structural wall solutions were adopted: one, two and three-layer. The obtained results were presented in a tabular manner, allowing for a clear verification of the correctness of the calculations performed with both selected methods.


Keywords

CFD; heat flux; heat transfer in multilayer walls

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Published : 2020-09-30


Urzędowski, A., Styczeń, J., & Paśnikowska-Łukaszuk , M. (2020). ANALYSIS OF HEAT TRANSFER IN BUILDING PARTITIONS WITH THE USE OF COMPUTATIONAL FLUID DYNAMICS TOOLS . Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, 10(3), 48-51. https://doi.org/10.35784/iapgos.2168

Arkadiusz Urzędowski 
Lublin University of Technology, Fundamentals of Technology Faculty, Lublin, Poland  Poland
http://orcid.org/0000-0002-0440-3013
Joanna Styczeń  j.styczen@pollub.pl
Lublin University of Technology, Department of Electronics and Information Technology, Lublin, Poland  Poland
http://orcid.org/0000-0001-7325-5045
Magdalena Paśnikowska-Łukaszuk  
Lublin University of Technology, Fundamentals of Technology Faculty, Lublin, Poland  Poland
http://orcid.org/0000-0002-3479-6188