Selection of the best radiant barrier system (RBS) location in double skin ventilated roofs

Double skin ventilated roof is one of the important passive cooling techniques to reduce solar heat gain through roofs by reducing both the conduction and convection heat transfer from the roof to the ceiling of buildings. On the other hand, Radiant barrier system (RBS) is very powerful in blocking...

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Autor principal:	Mohannad Rushdi
Formato:	article
Lenguaje:	EN
Publicado:	Al-Khwarizmi College of Engineering – University of Baghdad 2020
Materias:	Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/cf499dd84831482f9af48e107cda0a37
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spelling	oai:doaj.org-article:cf499dd84831482f9af48e107cda0a372021-12-02T09:29:38ZSelection of the best radiant barrier system (RBS) location in double skin ventilated roofs1818-11712312-0789https://doaj.org/article/cf499dd84831482f9af48e107cda0a372020-05-01T00:00:00Zhttp://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/639https://doaj.org/toc/1818-1171https://doaj.org/toc/2312-0789 Double skin ventilated roof is one of the important passive cooling techniques to reduce solar heat gain through roofs by reducing both the conduction and convection heat transfer from the roof to the ceiling of buildings. On the other hand, Radiant barrier system (RBS) is very powerful in blocking the radiation heat transfer between the two skins. In this research, an experimental study was performed to study the effect of placing a thin layer of aluminium foil at different locations on the thermal insulation performance of a double skin ventilated roof model that is made of two parallel inclined galvanized steel plates. Galvanized steel has been used in the roof construction of industrial buildings and storehouses in Iraq. It was found that placing the RB on the inner surface of the lower skin can reduce the radiation heat exchange to the minimum and hence enhance the thermal insulation performance of the roof. Mohannad RushdiAl-Khwarizmi College of Engineering – University of BaghdadarticleChemical engineeringTP155-156Engineering (General). Civil engineering (General)TA1-2040ENAl-Khawarizmi Engineering Journal, Vol 16, Iss 1 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040 Mohannad Rushdi Selection of the best radiant barrier system (RBS) location in double skin ventilated roofs
description	Double skin ventilated roof is one of the important passive cooling techniques to reduce solar heat gain through roofs by reducing both the conduction and convection heat transfer from the roof to the ceiling of buildings. On the other hand, Radiant barrier system (RBS) is very powerful in blocking the radiation heat transfer between the two skins. In this research, an experimental study was performed to study the effect of placing a thin layer of aluminium foil at different locations on the thermal insulation performance of a double skin ventilated roof model that is made of two parallel inclined galvanized steel plates. Galvanized steel has been used in the roof construction of industrial buildings and storehouses in Iraq. It was found that placing the RB on the inner surface of the lower skin can reduce the radiation heat exchange to the minimum and hence enhance the thermal insulation performance of the roof.
format	article
author	Mohannad Rushdi
author_facet	Mohannad Rushdi
author_sort	Mohannad Rushdi
title	Selection of the best radiant barrier system (RBS) location in double skin ventilated roofs
title_short	Selection of the best radiant barrier system (RBS) location in double skin ventilated roofs
title_full	Selection of the best radiant barrier system (RBS) location in double skin ventilated roofs
title_fullStr	Selection of the best radiant barrier system (RBS) location in double skin ventilated roofs
title_full_unstemmed	Selection of the best radiant barrier system (RBS) location in double skin ventilated roofs
title_sort	selection of the best radiant barrier system (rbs) location in double skin ventilated roofs
publisher	Al-Khwarizmi College of Engineering – University of Baghdad
publishDate	2020
url	https://doaj.org/article/cf499dd84831482f9af48e107cda0a37
work_keys_str_mv	AT mohannadrushdi selectionofthebestradiantbarriersystemrbslocationindoubleskinventilatedroofs
_version_	1718398149732597760

Selection of the best radiant barrier system (RBS) location in double skin ventilated roofs

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