Experimental investigation on condensation heat transfer and pressure drop of new HFC refrigerants (R134a, R125, R32, R410A, R236ea) in a horizontal smooth tube
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Kosky, 1971, Local condensing heat transfer coefficients in the annular flow regime, AIChE J., 17, 10.1002/aic.690170505
Traviss, 1972, Forced convection inside tubes, ASHRAE Trans., 79, 157
Dobson, 1998, Condensation in smooth horizontal tubes, J. Heat Transfer, ASME, 120, 193, 10.1115/1.2830043
NIST, Refprop, Version 6.01, US Department of Commerce, 1999.
Tang L. Empirical study of new refrigerant flow condensation inside horizontal smooth and micro-fin tubes. University of Maryland at College Park, PhD thesis, 1997; pp. 251.
Ebisu T, Torikoshi K. Experimental study on evaporation and condensation heat transfer enhancement for R407C using herringbone heat transfer tube. ASHRAE Trans 1998; 104(2).
Haraguchi, 1994, Condensation of refrigerants HCFC 22, HFC 134a and HCFC 123 in a horizontal smooth tube (2nd report, proposal of empirical expressions for local heat transfer coefficient), Trans. JSME, 60, 245
Eckels SJ, Tesene BA. A comparison of R22, R134a, R410A, and R407C condensation performance in smooth and enhanced tubes: part I, heat transfer. ASHRAE Trans 1999, 105.
Cavallini, 1974, A dimensionless correlation for heat transfer in forced convection condensation, 6th Int. Heat Transfer Conf., Tokyo, 3, 309, 10.1615/IHTC5.1220
Shah, 1979, A general correlation for heat transfer during film condensation inside pipes, Int. J. Heat Mass Transfer, 22, 547, 10.1016/0017-9310(79)90058-9
Nusselt, 1916, Die Oberflachenkondensation des Wasserdampfes, Z. Ver. Dt. Ing., 60, 569
Jaster, 1976, Condensation heat transfer in a mixed flow regime, Int. J. of Heat Mass Transfer, 19, 95, 10.1016/0017-9310(76)90014-4
Cavallini A, Del Col D, Doretti L, Longo GA, Rossetto L. Condensation of refrigerants inside plain and enhanced tubes. Proc. 3rd European Thermal Sciences Conf., Heidelberg 2000;1:51–60.
Cavallini A, Del Col D, Doretti L, Longo GA, Rossetto L. Condensation heat transfer of new refrigerants: advantages of high pressure fluids. Proc. 2000 Int. Refrig. Conf. Purdue, 2000;177–84.
Breber, 1980, Prediction of horizontal tube-side condensation of pure components using flow regime criteria, J. of Heat Transfer, 102, 471, 10.1115/1.3244325
Tandon, 1982, A new flow regime map for condensation inside horizontal tubes, ASME J. Heat Transfer, 104, 763, 10.1115/1.3245197
Smith, 1971, Void fraction in two-phase flow, Heat and Fluid Flow, 1, 22
Friedel, 1980, Pressure drop during gas/vapor-liquid flow in pipes, Int. Chem. Eng., July, 20, 352
Mickley HS, Ross RC, Squyers AL, Stewart WE. Heat, mass and momentum transfer for flow over a flat plate with blowing or suction, Rep. No. NACA-TN-3208, 1954.
Rouhani SZ. Subcooled void fraction. AB Atomenergi Sweeden, Internal Rept. AE-RTV841, 1969.