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The Heat Transferred Reduction From Building Roof Which Exposed to Environmental by using Grasses and Water (Experimental Study) | ||
| Journal of Engineering | ||
| Article 1, Volume 17, Issue 6, 2011, Pages 311-324 | ||
| Author | ||
| Atif Ali Hasan | ||
| Abstract | ||
| The object of this paper, is to study the thermal behavior of building roofs which covered by grass (used 50 mm sand as a base for American grasses and watered weeds by 0.0004 L/sec.m2 for growth) or sprinkle the water (0.0004 L/sec.m2) on that roofs, therefore , a room of dimensions (4.5 x 4.5 x 3) m was build in 3rd floor in building at Baghdad city (33.2°N) with thermal insulation of 200 mm thickness for other room sides and using Air – conditioner 1.0 ton of refrigeration to afford the standard thermal comfort, and measured the roof surfaces temperature from 5:00 Am to 10:30 Pm (18 hr/Day) during May to September month, it was found that, the grasses in roofs building was saved 53% from electrical energy for cooling purpose, while sprinkle the water on roofs saved 38 % only | ||
| Keywords | ||
| Heat transferred reduction from concrete roofs; using grasses and sprinkle the water | ||
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