Thermal Conductivity of Building Materials in Iraq

Thermophysical Properties of Building Materials are Considered to have high importance in predicting building thermal performance, calculating thermal loads inside building, and optimizing the use of a building and insulating materials. Due to the lack of measurements of local building materials pro...

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Main Authors: Madgeed A. Al-Doury, Atif Ali Hasan, Raheem Kadhim Mohammed, Riyadh H. Al-Jawad
Format: Article
Language:English
Published: Tikrit University 2023-02-01
Series:Tikrit Journal of Engineering Sciences
Subjects:
Online Access:https://tj-es.com/ojs/index.php/tjes/article/view/14
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author Madgeed A. Al-Doury
Atif Ali Hasan
Raheem Kadhim Mohammed
Riyadh H. Al-Jawad
author_facet Madgeed A. Al-Doury
Atif Ali Hasan
Raheem Kadhim Mohammed
Riyadh H. Al-Jawad
author_sort Madgeed A. Al-Doury
collection DOAJ
description Thermophysical Properties of Building Materials are Considered to have high importance in predicting building thermal performance, calculating thermal loads inside building, and optimizing the use of a building and insulating materials. Due to the lack of measurements of local building materials properties, designers and air- conditioning engineers have no choice but to use the published foreign data, which probably leads to inaccurate predictions of thermal loads and may give a false thermal performance. At the same time, it leads to an over-designed capacity of air- conditioning systems that lead to increased energy consumption in the building. Thus, it is clear that it was important to conduct this research to evaluate the thermal conductivity and thermal resistance of Iraqi building materials. The number of the local building materials were listed, and specimens were collected from their sites, factories, and suppliers such as bricks, stones, concrete products, gypsum, etc. Those samples were dimensioned to the specific size required when a measurement was conducted by the Hot Wire method. All measurements were carried out at room temperature. The relationship between thermal conductivity, density, moisture content, and pressure for a number of materials was Studied. A comparison between the measurements of the Iraqi building materials and results published in the ASHRAE, CIBS Guide, Australian Specifications, and Jordanian Specifications was made. However, the availability of such data is important for the climatic design of buildings, thermal load calculations for air- conditioning, and choosing the insulating materials.
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spelling doaj.art-edd671aba1aa4059a34950d6fa3dd1052023-07-12T19:21:49ZengTikrit UniversityTikrit Journal of Engineering Sciences1813-162X2312-75892023-02-0128410.25130/tjes.28.4.4Thermal Conductivity of Building Materials in IraqMadgeed A. Al-Doury 0Atif Ali Hasan1Raheem Kadhim Mohammed 2Riyadh H. Al-Jawad3Building Research Center/ Housing and Reconstructed/ IraqMiddle Technical University/ IraqBuilding Research Center/ Housing and Reconstructed/ IraqMiddle Technical University/ IraqThermophysical Properties of Building Materials are Considered to have high importance in predicting building thermal performance, calculating thermal loads inside building, and optimizing the use of a building and insulating materials. Due to the lack of measurements of local building materials properties, designers and air- conditioning engineers have no choice but to use the published foreign data, which probably leads to inaccurate predictions of thermal loads and may give a false thermal performance. At the same time, it leads to an over-designed capacity of air- conditioning systems that lead to increased energy consumption in the building. Thus, it is clear that it was important to conduct this research to evaluate the thermal conductivity and thermal resistance of Iraqi building materials. The number of the local building materials were listed, and specimens were collected from their sites, factories, and suppliers such as bricks, stones, concrete products, gypsum, etc. Those samples were dimensioned to the specific size required when a measurement was conducted by the Hot Wire method. All measurements were carried out at room temperature. The relationship between thermal conductivity, density, moisture content, and pressure for a number of materials was Studied. A comparison between the measurements of the Iraqi building materials and results published in the ASHRAE, CIBS Guide, Australian Specifications, and Jordanian Specifications was made. However, the availability of such data is important for the climatic design of buildings, thermal load calculations for air- conditioning, and choosing the insulating materials. https://tj-es.com/ojs/index.php/tjes/article/view/14DensityEffect pressure and moisture contentHot Wire methodHumidity of Building MaterialsIraqi Building MaterialsThermal Conductivity
spellingShingle Madgeed A. Al-Doury
Atif Ali Hasan
Raheem Kadhim Mohammed
Riyadh H. Al-Jawad
Thermal Conductivity of Building Materials in Iraq
Tikrit Journal of Engineering Sciences
Density
Effect pressure and moisture content
Hot Wire method
Humidity of Building Materials
Iraqi Building Materials
Thermal Conductivity
title Thermal Conductivity of Building Materials in Iraq
title_full Thermal Conductivity of Building Materials in Iraq
title_fullStr Thermal Conductivity of Building Materials in Iraq
title_full_unstemmed Thermal Conductivity of Building Materials in Iraq
title_short Thermal Conductivity of Building Materials in Iraq
title_sort thermal conductivity of building materials in iraq
topic Density
Effect pressure and moisture content
Hot Wire method
Humidity of Building Materials
Iraqi Building Materials
Thermal Conductivity
url https://tj-es.com/ojs/index.php/tjes/article/view/14
work_keys_str_mv AT madgeedaaldoury thermalconductivityofbuildingmaterialsiniraq
AT atifalihasan thermalconductivityofbuildingmaterialsiniraq
AT raheemkadhimmohammed thermalconductivityofbuildingmaterialsiniraq
AT riyadhhaljawad thermalconductivityofbuildingmaterialsiniraq