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Journal of Emerging Trends in Engineering and Applied Sciences (JETEAS)


Article Title: Development and Performance Evaluation of a Humidifier for Room Ventilation
by Daniyan, I. A.,Dada, O. M., Adeodu, A. O., Uchegbu, I .D., Isijola, O. O. and Mpoku, K.

The widespread usage of humidifier coolers can help to prevent adding expensive new power plants to the electric grid and the controversial transmission lines that often accompany them. A number of utility companies in areas with hot, dry summers and substantial population growth have programs to promote efficient humidifier coolers. A humidifier with eco-cooling pad using the principle of cooling by evaporation of the wet surface was designed. Materials employed for the development include; a cooling pads cellulose cross-fluted pipes because of its eco-friendly properties and its ability to trap dust, a 0.5 hP blower that permit a constant speed and a submersible feed pump used to supply water with an approximate maximum lift of 1 m high. The water evaporates when in contact with the warm /hot air with the help of blower which brought about the cooling and humidification of the air. The cooling performance was thereafter determined. For cooling by evaporation, the direct saturation efficiency which measures the temperature of the air leaving the direct evaporating cooler is close to the temperature of the entering air. Low power consumption and high reliability of the humidifier pads coupled with a wide range of applications including domestic use, remain a special attractions to the humidifier. In addition the humidifier cooler design are a lot easier on the grid than compressor based cooling systems. In future, the performance of the developed humidifier can be improved by considering the options for thermostatic control and automation as well as flushing of reservoir water to reduce buildup of impurities.
Keywords: compressor, cooler, evaporation, humidifier, thermostatic control.
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ISSN: 2141-7016

Editor in Chief.

Prof. Gui Yun Tian
Professor of Sensor Technologies
School of Electrical, Electronic and Computer Engineering
University of Newcastle
United Kingdom



Copyright © Journal of Emerging Trends in Engineering and Applied Sciences 2010