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http://dx.doi.org/10.1016/j.ajt.2023.08.024 | DOI Listing |
Nat Commun
June 2019
Department of Biomedical Engineering and Mechanics, Virginia Tech, 495 Old Turner Street, 222 Norris Hall, Blacksburg, VA, 24061, USA.
Droplets or puddles tend to freeze from the propagation of a single freeze front. In contrast, videographers have shown that as soap bubbles freeze, a plethora of growing ice crystals can swirl around in a beautiful effect visually reminiscent of a snow globe. However, the underlying physics of how bubbles freeze has not been studied.
View Article and Find Full Text PDFSci Rep
January 2016
Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.
In-plane frost growth on chilled hydrophobic surfaces is an inter-droplet phenomenon, where frozen droplets harvest water from neighboring supercooled liquid droplets to grow ice bridges that propagate across the surface in a chain reaction. To date, no surface has been able to passively prevent the in-plane growth of ice bridges across the population of supercooled condensate. Here, we demonstrate that when the separation between adjacent nucleation sites for supercooled condensate is properly controlled with chemical micropatterns prior to freezing, inter-droplet ice bridging can be slowed and even halted entirely.
View Article and Find Full Text PDFPlant Physiol
July 1980
Forest Resources Department, University of Minnesota, 1530 N. Cleveland Avenue, St. Paul, Minnesota 55108.
The low temperature exotherms (LTE) of 1-year-old twigs of Haralson apple (Malus pumila Mill.), shagbark hickory (Carya ovata [Mill.] K.
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