Browse by Author "Bullard, C.W."

  • Kim, M.H.; Bullard, C.W. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 2001-03)
    A simple semi-empirical model for small rolling-piston-type rotary compressors using the most potential alternative refrigerants R-410A and R-407C including R-22 has been developed based on thermodynamic principles and ...

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  • Verma, P.; Bullard, C.W.; Hrnjak, P.S. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 2001-06)
    Factors affecting frost distribution are explored using a finite element model, developed and validated using a full-scale 8-row heat exchanger in a wind tunnel. The heat exchanger is typical of the type used in ...

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  • Jain, G.; Bullard, C.W. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 2004-10)
    Issues involved in the solution of thermal system problems within a Newton-Raphson framework have been addressed. The physical limitations of Newton-Raphson variables and limited range of thermodynamic property calculation ...

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  • Staley, D.M.; Bullard, C.W.; Crawford, R.R. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 1992-06)
    This paper develops a steady-state system design model for a standard 18 ft3 refrigerator/freezer. Models for the compressor, condenser, evaporator, and suction line interchanger are considered. Experimental data for both ...

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  • Malik, T.; Bullard, C.W. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 2005-03)
    The project compares the non-metallic/polymer heat exchangers to the current technology in metallic heat exchangers. A review of state of the art of polymer heat exchangers is presented and technological problems ...

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  • Srichai, P.R.; Bullard, C.W. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 1997-07)
    A two-speed compressor was installed in a side-by-side refrigerator in order to validate simulation results which predicted significant increases in energy efficiency due to better load matching and reduced temperature ...

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