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Analysis of Thermal and Insulation Performance of Double Glazed Window Doped With Paraffin Wax | ||
| Engineering and Technology Journal | ||
| Article 11, Volume 38, 3A, 2020, Pages 383-393 PDF (690.77 K) | ||
| DOI: 10.30684/etj.v38i3A.448 | ||
| Authors | ||
| Jalal M. Jalil* ; Salih M. Salih* | ||
| Electromechanical Eng. Dept., University of Technology, Baghdad Iraq | ||
| Abstract | ||
| In this paper, a numerical investigation has been performed to study the effect of varying the thermal properties of the paraffin wax on the performance of a double glazed window doped with it during the summer climate of Baghdad (33.3 °N, 44.4 °E). Using FORTRAN (f 90) constructed computer program, finite difference combined with the enthalpy method was utilized to deal with the conduction with phase change problems within the wax. Results obtained show that increasing the density, latent heat, and thickness of the paraffin wax PCM) would increase the temperature-time lag and reduce the temperature decrement factor of the double glazed window, and as a result, improve comparatively the performance of the unit. In contrast, changing the specific heat capacity of the paraffin wax is not a productive (inefficient) technique to develop the performance of the unit. Besides, the recommended thickness of the window (thickness of the PCM) under the ambient condition of Baghdad should be 20 mm or higher. | ||
| Keywords | ||
| Paraffin wax; PCM; thermal performance; Finite volume; Enthalpy Method | ||
| References | ||
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