منابع مشابه
Formation of ice lenses and frost heave
[1] I examine the morphology of ice growth in porous media. Intermolecular forces cause premelted fluid to migrate and supply segregated ice growth (e.g., lenses) and frost heave. I account for the net effect of these microscopic interactions in a homogenized model formulated in terms of fundamental physical properties and characteristics of the porous medium that can be measured; no ad hoc par...
متن کاملExperimental Evaluation Of The Frost Formation
Frost formation on an evaporator causes significant problems by decreasing inlet air flow. It is important for a precise prediction to understand the dominant factor of the frost formation. In this paper, the frost layer on the cold plate is experimentally obtained with different velocities while maintaining a surface temperature at -20 degrees Celsius. The mass and height of the frost layer is...
متن کاملFrost flower formation on sea ice and lake ice
[1] Frost flowers are clusters of ice crystals found on freshly formed sea ice and occasionally on frozen lakes. They belong to a class of vapour-related phenomena that includes freezing fog, hoar frost and dew. It has hitherto been supposed that they form by condensation from a supersaturated atmosphere or from water wicked up through porous sea ice. Here we show that they can form on solid, p...
متن کاملFrost Formation : Optimizing solutions under a finite volume approach
A three-dimensional transient formulation of the frost formation process is developed by means of a finite volume approach. Emphasis is put on the frost surface boundary condition as well as the wide range of empirical correlations related to the thermophysical and transport properties of frost. A study of the numerical solution is made, establishing the parameters that ensure grid independence...
متن کاملPrinciples of salt formation
Article Information Received 25 May 2014 Received in revised form 01 Aug 2014 Accepted 03 August 2014 Abstract It has been evaluated that approximately 50% of all drug molecules marketed as medicinal products are administered in a form of salts as they offer many benefits for the pharmaceutical drugs. Salt formation is a relatively simple and powerful pre-formation technique that can result in ...
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ژورنال
عنوان ژورنال: EPL (Europhysics Letters)
سال: 2015
ISSN: 0295-5075,1286-4854
DOI: 10.1209/0295-5075/110/56002