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.
Publisher
Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign.
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