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http://dx.doi.org/10.5139/JKSAS.2020.48.2.99

Experimental Investigation on the Effect of Low-Speed Icing Condition to the Surface Roughness Formation  

Kang, Yu-Eop (Department of Aerospace Engineering, Seoul National University)
Min, Seungin (Department of Aerospace Engineering, Seoul National University)
Kim, Taeseong (Department of Wind Energy, Technical University of Denmark (DTU))
Yee, Kwanjung (Institute of Advanced Aerospace Technology, Seoul National University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.48, no.2, 2020 , pp. 99-108 More about this Journal
Abstract
In the field of aircraft icing prediction, surface roughness has been considered as critical factor because it enhances convective heat transfer and changes local collection efficiency. For this significance, experimental studies have been conducted to acquire the quantitative data of the formation process. Meanwhile, these experiments was conducted under low-speed condition due to the measurement difficulties. However, it has not been investigated that how the flow characteristic of low-speed will effects to the surface roughness. Therefore, the present study conducted experiment under low-speed icing condition, and analyzed the relation between surface roughness characteristics and icing condition. As an analysis method, the dominant parameters used in the previous high-speed experiments are employed, and roughness characteristics are compared. The size of roughness element was consistent with the previous known tendency, but not the smooth zone width.
Keywords
Aircraft Icing; Surface Roughness; Icing Tunnel Experiment; Scaling Method;
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Times Cited By KSCI : 2  (Citation Analysis)
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