Browse Technical Reports - Air Conditioning and Refrigeration Center by Author "Shimon, R.L."

  • Gaibel, J.A.; Chato, J.C.; Dobson, M.K.; Ponchner, M.; Kenney, P.J.; Shimon, R.L.; Villaneuva, T.C.; Rhines, N.L.; Sweeney, K.A.; Allen, D.G.; Hershberger, T.T. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 1994-05)
    This study examined local condensation heat transfer and pressure drop for a pure 50/50% mixture of R- 32/125 and for R-32/125 mixed with approximately 1%, 3%, and 5% concentrations of an ester oil. An apparatus was built ...

    application/pdf

    application/pdfPDF (342Kb)
  • Kenny, P.J.; Chato, J.C.; Dobson, M.K.; Wattelet, J.P.; Gaibel, J.A.; Ponchner, M.; Shimon, R.L.; Villaneuva, T.C.; Rhines, N.L.; Sweeney, K.A.; Allen, D.G.; Hershberger, T.T. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 1994-07)
    This experimental study examined the local heat transfer coefficients and frictional pressure gradients of a ternary zeotropic refrigerant mixture, R-32/R-125/R-134a (23%/25%/52%) condensing in a smooth, horizontal tube. ...

    application/pdf

    application/pdfPDF (2Mb)
  • Shimon, R.L. (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 1995-08)
    This study investigates flow boiling heat transfer and pressure drop characteristics of mixtures of R-134a and an ester based lubricant. Nominal oil concentrations of 1 %, 3%, and 5% are tested. Experimental heat transfer ...

    application/pdf

    application/pdfPDF (6Mb)