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An Investigation into Thermal Performance of Mist Water System and The Related Consumption Energy | ||
| Journal of Engineering | ||
| Article 1, Volume 20, Issue 9, 2014, Pages 108-119 | ||
| Authors | ||
| Najim Abid Jassim; Firas Adel Abdulkareem Haris | ||
| Abstract | ||
| Experimental tests were conducted to investigate the thermal performance (cooling effect) of water mist system consisting of 5μm volume median diameter droplets in reducing the heat gain entering a room through the roof and the west wall by reducing the outside surface temperature due to the evaporative cooling effect during the hot dry summer of Baghdad/Iraq. The test period was Fifty one days during the months May, June, and July 2012. The single test day consists of 16 test hours starting from 8:00 am to 12:00 pm. The results showed a reduction range of 1.71 to 15.5℃ of the roof outside surface temperature and 21.3 to 76.6% reduction in the daily heat flux entering the room through the roof compared with the case of not using water mist system. Also the results show a reduction range of 1.3 to 18.8℃ in the wall outside surface temperature. Finally numerical simulation with ANSYS-FLUENT.14 was conducted to compare its results with the experimental results of the roof and wall tests. | ||
| Keywords | ||
| energy saving; water spraying; water mist; evaporative cooling techniques; air conditioning | ||
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