Thermal Analysis of Integrating Roof with Phase Change Materials for Energy Saving in Residential Buildings

  • Hayder M. Jaffal College of Engineering, Al-Mustansiriyah University, Baghdad – Iraq
  • Tawfeeq W. Mohammed College of Engineering, Al-Mustansiriyah University, Baghdad – Iraq
  • Marwa H. Wasmi College of Engineering, Al-Mustansiriyah University, Baghdad – Iraq

Abstract

The sector of air-conditioning in the residential building consumes most of the total ‎electricity supplied for heating or cooling. Thus it has a major impact on the greenhouse gases and climate. Phase change ‎materials (PCMs) are regarded as a possible solution for reducing the energy consumption of ‎buildings by storing the heat and releasing it in certain times. The present study assists for the ‎utilization of PCMs in the roof of residential building to absorb the heat comes from solar ‎radiation during the daytime and releasing it to the inside nightly. Building considerations ‎as well as thermo-physical properties of PCMs have been taken and measured experimentally. ‎Results have shown that these materials have a good potential for reducing energy demand ‎and satisfy comfortable thermal conditions. The obtained readings, from a rig model built for that purpose, ‎showed that the indoor temperature could increase by 5-9oC in the winter compared to that ‎measured in a traditional one. Furthermore, a simulation program depended on degree-days ‎method explained that the energy consumption could be saved up to 75%. Thus PCMs could ‎submit encouraging suggestions toward the sustainability.‎

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Published
2018-12-21
How to Cite
JAFFAL, Hayder M.; MOHAMMED, Tawfeeq W.; WASMI, Marwa H.. Thermal Analysis of Integrating Roof with Phase Change Materials for Energy Saving in Residential Buildings. Academic Journal of Nawroz University, [S.l.], v. 7, n. 4, p. 118-123, dec. 2018. ISSN 2520-789X. Available at: <http://journals.nawroz.edu.krd/index.php/ajnu/article/view/280>. Date accessed: 19 mar. 2019. doi: https://doi.org/10.25007/ajnu.v7n4a280.
Section
Articles