Techinical Papers of Annual Meeting the Society of Heating,Air-conditioning and Sanitary Engineers of Japan
Online ISSN : 2424-2179
Print ISSN : 1880-3806
ISSN-L : 1880-3806
2005.1
Session ID : I-8
Conference information
I-8 Study on Evaporation Cooling System Making Use of Hydrophilic Property of Photocatalysts : Outcome of Tests on Evaporation Cooling under Water Sprinkling System Installed in Experimental Office Building with Exterior Materials Containing Photocatalysts
Satoshi MIYAMICHIHitoshi TAKEDA
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Abstract
Among characteristics of photocatalysts is hydrophilic property. Taking advantage of this feature, the authors have installed an evaporation cooling system in an experimental building (165 square meters in total floorage) for verification. Under this system, the exterior walls of the building are coated with photocatalysts (titanium oxide) and water is sprinkled over the walls. Tests show that water sprinkling on the outer walls has reduced their surface temperature by five to ten degrees centigrade and the room temperature by one to two degrees.
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© 2005 The Society of Heating,Air-Conditioning&Sanitary Engineers of Japan
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