Author(s): J. T. Streitz; R. Ettema
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Keywords: No Keywords
Abstract: This paper presents findings from experiments on the initial icing of planar surfaces. The experiments were carried out using a tilting windtunnel located in a refrigerated laboratory. They extend earlier work conducted on aufeis formation. The windtunnel facilitates investigation of the effects on icing formation of gravity and wind drag, which it enables by means of tilting the test section and varying wind speed. To varying extents, both gravity and wind drag may drive the spreading of shaHow flows of freezing water introduced at the upstream end of the wind tunnel test section. The two driving mechanisms result in different icing topologies. The conditions investigated include those produced by variations in slope of inclined plane, air temperature, water-discharge rate, and roughness of the planar surface on which aufeis forms.
Year: 1998