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http://dx.doi.org/10.5407/JKSV.2018.16.3.052

Experimental Facility for Measuring the Cooling Performance of a Piezoelectric Fan  

Oh, Myong Hun (Dept. of Mechanical Engineering, Myongji Univ.)
Park, Soo Hyun (Dept. of Mechanical Engineering, Myongji Univ.)
Ko, Jae Ik (Dept. of Mechanical Engineering, Myongji Univ.)
Choi, Minsuk (Dept. of Mechanical Engineering, Myongji Univ.)
Publication Information
Journal of the Korean Society of Visualization / v.16, no.3, 2018 , pp. 52-58 More about this Journal
Abstract
In this study, an experimental facility has been built to measure the cooling performance of a piezoelectric fan. The facility is composed of a heat source made of $50{\mu}m$ Ni-Cr foil, a piezoelectric fan and a rotary fan for cooling the heat source. For two cases where the foil is vertical or horizontal, the surface temperature on the foil has been measured by an IR camera with and without cooling and the cooling performance of both fans has been analyzed. With cooling by both fans, the rotary fan lowers the surface temperature of the foil as a whole, while the piezoelectric fan lowers the surface temperature at the center of the foil locally. It is also found that the cooling effectiveness of the piezoelectric fan is higher on the horizontal foil than on the vertical foil because the natural convection interferes with the jet from the piezoelectric fan.
Keywords
Piezoelectric Fan; Cooling Performance; Experimental Facility;
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