Experimental study on two-phase flow pressure drop in small diameter bends

Autee, 2014 Azzi, 2005, Two-phase upward flow 90° bend pressure loss model, Forschung im Ingenieurwesen, 69, 120, 10.1007/s10010-004-0147-6 Chen, 2004, Single-phase and two-phase frictional characteristics of small U-type wavy tubes, Int. Comm. Heat and Mass Transfer, 31, 303, 10.1016/j.icheatmasstransfer.2004.02.001 Chen, 2004, Measurements and correlations of frictional single-phase and two-phase pressure drops of R410A flow in small U-type return bends, Int. J. Heat Mass Transfer, 47, 2241, 10.1016/j.ijheatmasstransfer.2003.11.016 Chisholm, 1983, 154 Domanski, 2008, An improved correlation for two-phase pressure drop of R-22 and R-410A in 180o return bends, Appl. Thermal. Eng., 28, 793, 10.1016/j.applthermaleng.2007.06.034 Geary, 1975, Return bend pressure drop in refrigeration systems, ASHRAE Trans., 81, 250 Giri, 2014 Lockhart, 1949, Proposed correlation of data for isothermal two-phase two component flow in pipes, Chem. Engg. Progress, 45, 39 Mandal, 2001, Pressure losses in bends during two-phase gas-Newtonian liquid flow, Ind. Eng. Chem. Res., 40, 2340, 10.1021/ie0003988 Muller-Steinhagen, 1986, A simple pressure drop correlation for two-phase flow in pipes, Chem. Eng. Process, 20, 297, 10.1016/0255-2701(86)80008-3 Padilla, 2009, Prediction and simulation of two-phase pressure drop in return bends, Int. J. Refrig., 32, 1776, 10.1016/j.ijrefrig.2009.06.006 Paliwada, 1992, Generalised method of pressure drop calculation across pipe components containing two-phase flow of refrigerants, Int. J. Refrig., 15, 119, 10.1016/0140-7007(92)90036-T Pierre, 1964, Flow Resistance with boiling refrigerants – Part II, ASHRAE J., 73 Silva, 2010, Pressure drop models evaluation for two-phase flow in 90 degree horizontal elbows, Ing. Mecá. Tecnol. Desarrollo, 3, 115 Sookprasong, 1980