Session: 17-01-01: Research Posters

Paper Number: 147847

147847 - Heat Gain Through Window With a Shutter Used in Buildings 

In countries with extreme hot weather, the majority of the heat gain in residential buildings comes through the windows. Exterior shutters are extensively founded in residential buildings in these countries to reduce the heat gain. Typically, the shutters are completely closed during the daytime, and such a condition creates a strong natural convection flow in the space between shutter and window, which reduces the thermal effectiveness of the shutter. In this research, the thermal characteristics of a completely closed shutter are evaluated numerically and validated with experimental measurement. Measured radiation data was used at the outdoor surface of the shutter. Typically, the shutters are completely closed during the daytime, and such a condition creates a strong natural convection flow in the space between shutter and window, which reduces the thermal effectiveness of the shutter. In this research, the thermal characteristics of a closed shutter are evaluated numerically and validated with experimental measurement. For conduction mode only, decreasing the thickness of the air space increases the heat flux significantly due to the reduction of the thermal resistance in the air space. On the other hand, when the natural convection is considered, the heat flux at the indoor surface of the glass becomes nearly independent of the thickness of the air space.

Presenting Author: Esam Alawadhi Kuwait University

Presenting Author Biography: Esam M. Alawadhi is professor of Mechanical Engineering at Kuwait University. He earned his Doctor of Philosophy in May of 2001 from Carnegie Mellon University, USA. His research focuses on thermal management of electronics devices, energy for buildings, fluid flow stability, and phase change heat transfer. He had the engineering research production award, Kuwait Foundation for Advancement Science, in October of 2010. He is the author of Finite Element Simulations Using ANSYS book published by CRC Press, and co-author of Eco-efficient Masonry Bricks and Blocks: Design, Properties and Durability book published by Woodhead Publishing. He published more than thirty papers in peer reviewed international journal, and presents more than thirty research outcomes in international conferences.

Authors:

Esam Alawadhi Kuwait University