Numerical Study of the Thermal Behavior of a Hollow Block with Phase Change Materials (PCM) in the Sahelian Zone
Asian Journal of Physical and Chemical Sciences, Volume 11, Issue 1,
In this work, we present a numerical study of the thermal behavior of a hollow block with or without phase change material (PCM) in the Sahelian zone.
The PCMs used in this study are RT27 paraffin and hydrated salt with a melting temperature of 27°C and 29.9°C respectively and a latent heat of fusion of 179kJ/kg and 184kJ/kg. The equations obtained were adimensionalized then discretized by the finite element method and solved on the COMSOL software. We were first interested in the study of the thermal phase shift, the damping and the evolution of the temperature at the level of the internal wall. In a second phase, we conducted a comparative study between hollow block containing PCM and other construction materials (adobe, BTC and BLT) used in Burkina Faso.
The numerical results obtained show that the temperature of the internal wall of a hollow block containing RT27 is lower than that of a hollow block without PCM, hollow block containing hydrated salt, BTC, BLT and adobe with respectively a temperature difference of 8.354°C; 3.39°C; 5.79°C; 3.97°C and 3.92°C and the difference in terms of phase shift is 1h18min, 6min, 24min, 42min and 6min for the hollow block containing RT27, the hollow block containing hydrated salt, BTC, BLT and adobe.
Therefore, the integration of PCM in building materials increases their thermal inertia.
- Numerical simulation
- hollow block
- phase change materials
How to Cite
Compaoré A, Etude des performances thermiques d’un habitat type du burkina faso. application: contribution à la mise en place d’une reglementation thermique, Ph. D. Thesis, Ouagadougou ; 2018.
Ahmad M. Nouveaux Composants Actifs pour la Gestion Énergétique de L'Enveloppe Légère des Bâtiments, Ph. D. Thesis, Université Joseph Fourier ; 2004.
Thattoth AM, Daniel J. Heat Transfer Analysis of Building Brick Filled with Microencapsulated Phase Change Material, International Conference on Emerging Trends in Mechanical Engineering; 2020.
Alawadhi EM. Thermal analysis of a building brick containing phase change material, Energy and Buildings. 2008;40:351-357.
Oussama SY. Étude de la convection naturelle dans une enceinte avec des parois contenant des matériaux à changement de phase, (Algérie), Ph. D. Thesis; 2020.
Laaouatni A, Martaj N, Phase change materials for improving the building thermal inertia, Energy Procedia. 2017;139:744-749.
Lachheb M, Younsi Z, Naji H, Karkri M, Ben S. Thermal behavior of a hybrid PCM/plaster: A numerical and experimental investigation, Applied Thermal Engineering. 2016;111:49-59.
Soares N, Costa JJ, Gaspar AR, Santos P. Review of passive PCM latent heat thermal energy storage systems towards buildings’ energy efficiency, Energy and Buildings. 2013;59:82-103.
Cunha S, Aguiar J, Pacheco-Torgal F. Effect of temperature on mortars with incorporation of phase change materials, Construction and Building Materials. 2015;98:89-101.
Trigui A et al. Experimental investigation of a composite phase change material: Thermal-energy storage and release, in progress, Journal of Composite Materials; 2012.
Fati AO, Latif A, Souleymane O, Ky SM. Thierry, M. Lewamy, B. D. Joseph, The Impact of Local Materials on the Improvement of the Thermal Comfort in Building, Current Journal of Applied Science and Technology, Ouagadougou. 2020;39:22-35,.
Zivkovic B, Fujii I. An analysis of isothermal phase change of phase change material within rectangular and cylindrical containers, solar Energy, Japon. 2021;70:51-61.
Rubitherm Buildings Materials / Chilled Ceilings / Heat Storage; 2022. Available: www.rubitherm
Malbila E, Toguyeni DYK, Bamogo S, Lawane A, Koulidiati J. Thermophysical and Mechanical Characterization of Local Stabilized Materials Suitable for Buildings in Dry and Hot Climate, Journal of Materials Science & Surface Engineering, Ouagadougou. 2018;6:767-772.
Abstract View: 71 times
PDF Download: 46 times