| Experimental validation of a prototype ejector designed to reduce throttling losses encountered in transcritical R744 system operation PH S Elbel International Journal of Refrigeration 31 (3), 411-422, 2008 | 452 | 2008 |
| Frost, defrost, and refrost and its impact on the air-side thermal-hydraulic performance of louvered-fin, flat-tube heat exchangers Y Xia, Y Zhong, PS Hrnjak, AM Jacobi International Journal of Refrigeration 29 (7), 1066-1079, 2006 | 208 | 2006 |
| R-744 gas cooler model development and validation JM Yin, CW Bullard, PS Hrnjak International Journal of Refrigeration 24 (7), 692-701, 2001 | 183 | 2001 |
| CO2 and R410A flow boiling heat transfer, pressure drop, and flow pattern at low temperatures in a horizontal smooth tube CY Park, PS Hrnjak International Journal of Refrigeration 30 (1), 166-178, 2007 | 167 | 2007 |
| Experimental and numerical study on microchannel and round-tube condensers in a R410A residential air-conditioning system CY Park, P Hrnjak International journal of refrigeration 31 (5), 822-831, 2008 | 137 | 2008 |
| Single phase pressure drop in microchannels P Hrnjak, X Tu International Journal of Heat and Fluid Flow 28 (1), 2-14, 2007 | 130 | 2007 |
| Flash gas bypass for improving the performance of transcritical R744 systems that use microchannel evaporators PH S Elbel International Journal of Refrigeration 27 (7), 724-735, 2004 | 121 | 2004 |
| Contribution of internal heat exchanger to transcritical R-744 cycle Performance DE Boewe, CW Bullard, JM Yin, PS Hrnjak HVAC&R Research 7 (2), 155-168, 2001 | 114 | 2001 |
| Experimental results of transcritical CO2 heat pump for residential application MR Richter, SM Song, JM Yin, MH Kim, CW Bullard, PS Hrnjak Energy 28 (10), 1005-1019, 2003 | 105 | 2003 |
| Microchannel heat exchangers for charge minimization in air-cooled ammonia condensers and chillers P Hrnjak, AD Litch International Journal of Refrigeration 31 (4), 658-668, 2008 | 103 | 2008 |
| Flash gas bypass in mobile air conditioning system with R134a H Tuo, P Hrnjak International Journal of Refrigeration 35 (7), 1869-1877, 2012 | 102 | 2012 |
| Experimental investigation on two-phase flow boiling heat transfer of five refrigerants in horizontal small tubes of 0.5, 1.5 and 3.0 mm inner diameters JT Oh, AS Pamitran, KI Choi, P Hrnjak International Journal of Heat and Mass Transfer 54 (9-10), 2080-2088, 2011 | 95 | 2011 |
| Characterization of two-phase flow in microchannels VG Nino University of Illinois at Urbana-Champaign, 2002 | 95 | 2002 |
| CO2 flow condensation heat transfer and pressure drop in multi-port microchannels at low temperatures CY Park, P Hrnjak International Journal of Refrigeration 32 (6), 1129-1139, 2009 | 92 | 2009 |
| Effect of the header pressure drop induced flow maldistribution on the microchannel evaporator performance H Tuo, P Hrnjak International Journal of Refrigeration 36 (8), 2176-2186, 2013 | 87 | 2013 |
| Characteristics of two-phase flow pattern transitions and pressure drop of five refrigerants in horizontal circular small tubes AS Pamitran, KI Choi, JT Oh, P Hrnjak International Journal of Refrigeration 33 (3), 578-588, 2010 | 87 | 2010 |
| Ejector refrigeration: an overview of historical and present developments with an emphasis on air-conditioning applications S Elbel, P Hrnjak | 85 | 2008 |
| Effect of the condenser subcooling on the performance of vapor compression systems G Pottker, P Hrnjak International Journal of Refrigeration 50, 156-164, 2015 | 78 | 2015 |
| Experiment and visualization on R134a upward flow in the vertical header of microchannel heat exchanger and its effect on distribution Y Zou, PS Hrnjak International Journal of Heat and Mass Transfer 62, 124-134, 2013 | 78 | 2013 |
| Experimental investigation of the effect of condenser subcooling in R134a and R1234yf air-conditioning systems with and without internal heat exchanger G Pottker, P Hrnjak International Journal of Refrigeration 50, 104-113, 2015 | 77 | 2015 |
Stefan ElbelUniversity of Illinois at Urbana-ChampaignVerified email at illinois.edu
