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ACRC Technical Report 20PDF

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Title:Sensible and Latent Energy Loading on a Refrigerator During Open Door Conditions
Author(s):Laleman, M.R.
Contributor(s):Newell, T.A.; Clausing, A.M.
Subject(s):heat transfer coefficients
latent energy
Abstract:This thesis examines the modes of energy loss incurred when the door of a refrigerator is opened. An analysis is done on the fresh food compartment of a 20 cu. ft. refrigerator unit, which is instrumented with aluminum calorimeters. Heat transfer coefficients are determined for the fresh food walls through the lumped capacitance analysis. The open door tests are run under a variety of humidity conditions and compartmental temperatures. The coefficients are separated into latent and sensible values through the heat and mass transfer analogy. U sing these coefficients, estimates are made of the total load imposed on the refrigerator for a certain number of door openings. Rayleigh and Nusselt numbers are also calculated and correlated. A shelf is also inserted into the fresh food compartment, and effects on heat transfer coefficients and correlations are discussed.
Issue Date:1992-05
Publisher:Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign.
Series/Report:Air Conditioning and Refrigeration Center TR-20
Genre:Technical Report
Type:Text
Language:English
URI:http://hdl.handle.net/2142/9721
Sponsor:Air Conditioning and Refrigeration Center Project 11
Date Available in IDEALS:2009-03-13
Identifier in Online Catalog:3546276


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