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Infrastructures 2016, 1(1), 3; doi:10.3390/infrastructures1010003

CFD Evaluation of Philippine Detached Structure with Different Roofing Designs

1
Department of Environmental Engineering, Building Research Institute, Tsukuba 305-0802, Japan
2
Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan
3
Enteria Grün Energietechnik, Davao 8000, The Philippines
Academic Editors: Higinio González Jorge and Pedro Arias-Sánchez
Received: 3 September 2016 / Revised: 1 October 2016 / Accepted: 6 October 2016 / Published: 10 October 2016
View Full-Text   |   Download PDF [11747 KB, uploaded 10 October 2016]   |  

Abstract

The Philippines is located in the typhoon belt region in the western side of the Pacific Ocean. Every year, an average of twenty typhoons pass through the country, resulting in the loss of life and property. As the design of the roofing is an important factor in the structural integrity of the detached structures and the survival of the occupants, an evaluation of different roofing designs for the detached structure is needed. Different roofing designs, typical in Philippine detached structures were investigated using the computation fluid dynamics (CFD). The developed CFD model was validated based on the data from full scale and wind tunnel results. The different roofing designs were evaluated in the developed and validated model based on the flow field, pressure coefficients and streamlines at different wind angles. The results show that different roofing designs affect the flow field velocity, flow field pressure coefficient and the structure’s surface pressure coefficients. The pyramidal and domed roofing designs have a smoother flow field velocity, flow field pressure coefficient and house surface pressure coefficient. The eaves overhang, which is common in Philippine detached structures, has a large effect on the surface pressure coefficient and the velocity streamlines, as compared to structures with no eaves overhang. The results of this study show the importance of the roof design in Philippine detached structures. View Full-Text
Keywords: computational fluid dynamics (CFD); wind engineering; roof design; detached structure; the Philippines computational fluid dynamics (CFD); wind engineering; roof design; detached structure; the Philippines
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Enteria, N.A. CFD Evaluation of Philippine Detached Structure with Different Roofing Designs. Infrastructures 2016, 1, 3.

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