Abstract
AbstractMorphological variation of surface ice crystals on a cooling surface during frosting was visually observed using a microscope. In the full growth stage of a frost layer, unusual sublimation started from the root of a prism‐like crystal together with the growth of other nearby plate crystals. Under different environmental conditions, the sublimation could proceed in two ways: snapped at the neck or melted in the crown. Local negative saturation induced by the coupled distributions of temperature and humidity is proposed for interpreting this phenomenon. © 2009 Wiley Periodicals, Inc. Heat Trans Asian Res; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/htj.20281
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