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ACRC Technical Report 156PDF


Title:Experimental Investigation of a Refrigerator with a Dual Temperature Evaporator
Author(s):Ge, H.; Bullard, C.W.
Subject(s):refrigerator systems analysis
Abstract:A prototype refrigerator/freezer was fitted with a single evaporator, ducted so it could serve both compartments in a sequential manner. Two capillary tubes, one optimized for each compartment were attached to the suction line and controlled by a solenoid valve. A two-speed compressor operated at 3600 rpm in freezer mode and 2400 rpm when serving the food compartment. A variable speed fan was used to explore the response of the evaporator. The experimental results confirmed earlier simulation analyses, which predicted that achieving maximum energy savings (approx. 15%) would require a two-speed compressor having a high/low speed ratio of 5.
Issue Date:1999-09
Publisher:Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign.
Series/Report:Air Conditioning and Refrigeration Center TR-156
Genre:Technical Report
Sponsor:Air Conditioning and Refrigeration Project 66
Date Available in IDEALS:2009-05-26

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