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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
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Characterization thermal transfer phenomena through a thermal contact resistance at the internal interface of a wall between a flat slab concrete and a panel of rice straw


[ Caractérisation des phénomènes de transfert thermique à travers une résistance thermique de contact à l’interface interne d’un mur entre une dalle plane en béton et un panneau de paille de riz ]

Volume 27, Issue 3, October 2019, Pages 848–853

 Characterization thermal transfer phenomena through a thermal contact resistance at the internal interface of a wall between a flat slab concrete and a panel of rice straw

Ablaye Fame1, Mamadou Babacar NDIAYE2, Youssou TRAORE3, Seydou Faye4, Dame Diao5, Pape Touty Traore6, Imam Katim Toure7, and Gregoire Sissoko8

1 Ecole Polytechnique de Thiès, Senegal
2 Institut Universitaire de Technologie, Université de Thiès, Senegal
3 Laboratoire des Semi-conducteurs et d’Energie Solaire, Faculté des Sciences et Techniques, Université Cheikh Anta Diop, Dakar, Senegal
4 Laboratory of Semiconductors and Solar Energy, Physics Department, Faculty of Science and Technology, University Cheikh Anta Diop, Dakar, Senegal
5 Laboratory of Semiconductors and Solar Energy, Physics Department, Faculty of Science and Technology, University Cheikh Anta Diop, Dakar, Senegal
6 Laboratory of Semiconductors and Solar Energy, Physics Department, Faculty of Science and Technology, University Cheikh Anta Diop, Dakar, Senegal
7 Laboratoire des Semi-conducteurs et d’Energie Solaire, Faculté des Sciences et Techniques, Université Cheikh Anta Diop, Dakar, Senegal
8 Laboratory of Semiconductors and Solar Energy, Physics Department, Faculty of Science and Technology, University Cheikh Anta Diop, Dakar, Senegal

Original language: French

Copyright © 2019 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


Based on a dynamic frequency study, the thermal behavior of a wall consisting of a concrete slab contiguous to a panel of compressed rice straw is presented. The thermal behavior at the interface of the two materials is modeled by a thermal contact resistance. The insulating nature wall thus made is studied according the order magnitude of contact resistance: the perfect contact (Rc=0) extreme contact defects (Rc very high). The analysis of temperature and heat flow density curves show that the insulation effects are all the greater as the defects are important.

Author Keywords: concrete slab, straw panel of rice, thermal contact resistance, dynamic frequency regime.


Abstract: (french)


A partir d’une étude en régime dynamique fréquentiel, le comportement thermique d’un mur constitué d’une dalle en béton accolée à un panneau de paille de riz compressé est présenté. Le comportement thermique à l’interface des deux matériaux est modélisé par une résistance thermique de contact. Le caractère isolant du mur ainsi fait est étudié selon l’ordre de grandeur de la résistance de contact : du contact parfait (Rc=0) à des défauts extrêmes de contact (Rc très grand). L’analyse des courbes de température et de densité de flux thermique montrent que les effets d’isolation sont d’autant plus considérables que les défauts sont importants.

Author Keywords: dalle en béton, panneau de paille de riz, résistance thermique de contact, régime dynamique fréquentiel.


How to Cite this Article


Ablaye Fame, Mamadou Babacar NDIAYE, Youssou TRAORE, Seydou Faye, Dame Diao, Pape Touty Traore, Imam Katim Toure, and Gregoire Sissoko, “Characterization thermal transfer phenomena through a thermal contact resistance at the internal interface of a wall between a flat slab concrete and a panel of rice straw,” International Journal of Innovation and Applied Studies, vol. 27, no. 3, pp. 848–853, October 2019.