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ACRC Technical Report 123PDF


Title:Frost Growth in Laminar Channel Flows with Streamwise Vortices
Author(s):Storey, B.D.; Jacobi, A.M.
Subject(s):frost growth
heat transfer surfaces
Abstract:An experimental study of frost growth under the influence of streamwise vortices in a laminar channel flow is presented. A new model of frost growth is developed to normalize the growth rate of frost with respect to the effects of environmental parameters and time. This normalization and a scale analysis show that the dimensionless frost thickness grows with the square root of environmental time, a single parameter capturing environmental and temporal effects. Experimental plain-channel data obey this relationship to within the uncertainty of the measurements. Also in agreement with the model, the data show no significant dependence on channel location or on Reynolds number (for 5OO
Issue Date:1997-07
Publisher:Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign.
Series/Report:Air Conditioning and Refrigeration Center TR-123
Genre:Technical Report
Sponsor:Air Conditioning and Refrigeration Project 58
Date Available in IDEALS:2009-04-24
Identifier in Online Catalog:4167298

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