Browse Contract Reports - Air Conditioning and Refrigeration Center by Subject "heat exchangers"

  • Hrnjak, P.S.; Miller, N.R.; Rodarte, E. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 1997-12)

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  • Park, Y.G.; Jacobi, A.M. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 2001-05)
    The air-side thermal-hydraulic performance of serpentine-fin, flat-tube heat exchangers is compared to that of conventional plate-fin, round-tube designs for various fin geometries and surface conditions. Heat exchanger ...

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  • Kim, G.J.; Jacobi, A.M. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 2000-01)
    Fin-and-tube heat exchangers are commonly used in air-conditioning systems and ,. improving the efficiency of this component is very important. For a fin-and-tube heat exchanger used as an evaporator, moisture from the ...

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  • Litch, A.D.; Hrnjak, P.S. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 1999-08)

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  • Zilly, J.; Jang, J.; Hrnjak, P.S. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 2003-03)
    Enhanced tubes have been commonly used in heat exchangers for 30 years. Modern micro-fin tubes play a significant role in high-efficiency refrigerators and air conditioners with their significantly enhanced heat ...

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  • Yin, J.M.; Bullard, C.W.; Hrnjak, P.S. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 2001-05)
    This document summarizes the evolution of the design of a 10 kW split system residential heat pump, to operate with R744 on the transcritical cycle. It is the first such prototype to be designed, and will be used for ...

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  • Wartick, N.W.; Jacobi, A.M. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 2000-01)

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  • Rodarte, E.; Miller, N.R. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 2001-10)
    Flow-induced tonal noise and acoustic resonance problems are found in a variety of applications that range from nuclear power plant heat exchangers to automobile air conditioning evaporators. Flow-induced noise in ...

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  • Hu, Xiaolan; Jacobi, Anthony M. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 1995-05)
    Horizontal-tube falling-film heat exchangers enjoy wide application because they offer superior thermal performance and operate with less fluid charge than conventional shell-and-tube or flooded heat exchangers. Recent ...

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  • Fang, X. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 1999-06)
    The transcritical cycle of carbon dioxide in air conditioning and heat pump systems needs the research on heat transfer and pressure loss of heat exchangers operating at supercritical pressures. This paper offers a ...

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