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Sustainable roofs for warm humid climates -a case study in residential buildings in Madurai, Tamilnadu, India
, S. Radhakrishnan, R.S. Priya
Published in International Digital Organization for Scientific Information
2014
Volume: 32
   
Issue: 6
Pages: 1167 - 1180
Abstract
Roof thermal performance is one of the most important factors for achieving indoor thermal comfort in tropical houses designed for natural cross ventilation. This research aims to find the suitable roof constructions for naturally ventilated residential buildings in warm humid climates of India. The research has been carried out at Madurai, Tamilnadu, India. The roof constructions included the types which are widely used in Residential Buildings in Madurai and also the new ones. This study, based on field study data, discusses roof design strategies for a warm-humid climate by investigating the impacts of roof thermal performance on indoor thermal comfort in naturally ventilated houses. This study is aimed to find the roof constructions which gain the least amount of heat during the hottest days of summer and to find how much thermal comfort is provided though out the year. In this respect the Traditional Madras terrace roofs and the Sloped Reinforced concrete roofs with clay tile roof showed the best performance. It was experimentally demonstrated that it is possible to maintain the indoor temperature 2°C -6°C lower than the outdoor temperature using passive roofing in a warm humid climate. This study uses an experimental approach in which the measurements of outdoor and indoor environments are conducted on residential buildings during extreme summer days. The Thermo physical properties of the roofs are also analyzed. © IDOSI Publications, 2014.
About the journal
JournalWorld Applied Sciences Journal
PublisherInternational Digital Organization for Scientific Information
ISSN18184952