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R744 Gas Cooler Model Development and Validation

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PDF CR029.pdf (1MB) ACRC Contract Report 29 PDF
Title: R744 Gas Cooler Model Development and Validation
Author(s): Yin, J.M.; Bullard, C.W.; Hrnjak, P.S.
Subject(s): R-744 transcritical CO2 air-side heat transfer
Abstract: A first principles-based model was developed for a transcritical C02 gas cooler, using a finite element method. The model uses published correlations for refrigerant and airside heat transfer and pressure drop. Experimental results are presented at 48 operating conditions. The model predicted the gas cooler capacity within ±2% and pressure drop on the R744 side well within the range of experimental error. The model's usefulness is demonstrated by analyzing alternative circuiting and multi-slab designs.
Issue Date: 2000-04
Publisher: Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign.
Series/Report: Air Conditioning and Refrigeration Center CR-29
Genre: Technical Report
Type: Text
Language: English
URI: http://hdl.handle.net/2142/13353
Date Available in IDEALS: 2009-08-03
 

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