THERMAL SCIENCE

International Scientific Journal

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Zohir Younsi

,

Hassan Naji

NUMERICAL ASSESSMENT OF BRICK WALLS` USE INCORPORATING A PHASE CHANGE MATERIAL TOWARDS THERMAL PERFORMANCE IN BUILDINGS DURING A PASSIVE COOLING STRATEGY

ABSTRACT
The integration of new building materials incorporating phase change material (PCM) into the building envelope leads to an increase of the heat storage capacity, which may have an influence on minimizing the cooling demand and heating of the building. This work addresses a thermal performance enhancement of brick walls with incorporated PCM. The improvement has been assessed through a numerical approach in dealing with a 1-D transient conduction problem with phase change, while leaning on experimental results from a transient guarded hot plates method. The simulations have been fulfilled using a hybrid method combining both the finite volume method and an enthalpy porosity technique. The results of this combined approach are in good agreement. In the light of the findings obtained, it appears that PCM incorporation into a brick masonry can both reduce peak temperatures up to 3°C and smooth out daily fluctuations. Thereby, the evaluation achieved can turns out useful in developing brick walls with an incorporated PCM for passive cooling, thus improving buildings thermal performance.
KEYWORDS
phase change material, masonry brick, composite wall, passive cooling, finite volumes, enthalpy method.
PAPER SUBMITTED: 2018-03-02
PAPER REVISED: 2018-07-12
PAPER ACCEPTED: 2018-07-16
PUBLISHED ONLINE: 2018-09-29
DOI REFERENCE: https://doi.org/10.2298/TSCI180302207Y
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2020, VOLUME 24, ISSUE Issue 3, PAGES [1909 - 1922]
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Numerical assessment of brick walls` use incorporating a phase change material towards thermal performance in buildings during a passive cooling strategy

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence