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KMID : 1024520200290060683
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Journal of the Environmental Sciences
2020 Volume.29 No. 6 p.683 ~ p.689
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Model Design and Demonstration Test for the Verification of Temperature Reduction Effect of Cooling Fog System with Stainless Steel
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Kim Jae-Kyoung
Kang Jun-Suk
Kim Hoi-Jin
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Abstract
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According to a NASA Goddard Institute for Space Studies report, temperatures have risen by approximately 1 °C so far, based on temperatures recorded in 1880. The 2003 heatwave in Europe affected approximately 35,000 people across Europe. In this study, a cooling fog, which is used in smart cities, was designed to efficiently reduce the temperature during a heatwave and its pilot test results were interpreted. A model experiment of the cooling fog was conducted using a chamber, in which nano mist spray instruments and spray nozzles were installed. The designed cooling fog chamber model showed a temperature reduction of up to 13.8 °C for artificial pavement and up to 8.0 °C for green surfaces. However, this model was limited by constant wind speed in the experiment. Moreover, if the cooling fog is used when the wind speed is more than 3m/s in the active green zone, the temperature reduction felt by humans is expected to be even greater. As a second study, the effect of cooling fog on temperature reduction was analyzed by installing a pilot test inside the Land Housing Institute (LHI). The data gathered in this research can be useful for the study of heat reduction techniques in urban areas.
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KEYWORD
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Complex disaster reduction device, Cooling fog, Heat wave, Nano mist, Stainless steel, Temperature reduction
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