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     Research Journal of Applied Sciences, Engineering and Technology


Optimization of Wind Driven Rain Barrier for Tropical Natural Ventilated Building

C.H. Lim, M. Alkhair, S. Mirrahimi, E. Salleh and K. Sopian
Solar Energy Research Institute (SERI), Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor, Malaysia
Research Journal of Applied Sciences, Engineering and Technology   2016  1:69-85
http://dx.doi.org/10.19026/rjaset.12.2305  |  © The Author(s) 2016
Received: August ‎24, ‎2015  |  Accepted: September ‎11, ‎2015  |  Published: January 05, 2016

Abstract

Wind Driven Rain (WDR) is an inherent problem especially on open corridors and open areas like courtyard, balconies and terraces of naturally ventilated tropical buildings. The WDR can cause the building floor to be slippery and even flooding during heavy rain and strong wind. It can also eventually caused damages on building materials if exposed over a long period of time. Unfortunately, until to date there are not many researches conducted on WDR in tropical natural ventilated buildings. An experimental and CFD simulation analyses were taken into consideration to predict the percentage of water on a floor of case study building. Different types of rain barrier designs have been proposed to reduce the amount of wind driven rain entering the building. The CFD simulation results showed that the water percentage on the floor caused by the wind driven rain can be reduced from 78% of the floor area to about 42% using titled overhang rain barrier design.

Keywords:

CFD Simulation, natural ventilated building, rain barrier, tropical climate, wind driven rain,


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Competing interests

The authors have no competing interests.

Open Access Policy

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Copyright

The authors have no competing interests.

ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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