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Auteur P. Hrnjak |
Documents disponibles écrits par cet auteur (6)
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INTERNATIONAL INSTITUTE OF REFRIGERATION ; AMERICAN SOCIETY OF HEATING REFRIGERATING AND AIR-CONDITIONING ENGINEERS ; AIR CONDITIONING AND REFRIGERATION CENTER UNIVERSITY OF ILLINOIS AT URBANA-CAMPAIGN ; P. Hrnjak ; New technologies in commercial refrigeration (2002-07-22;2002-07-23; Urbana, USA) | International Institute of Refrigeration | 2002rapport
Single phase pressure drops inside a microchannel heat exchanger were tested systematically. Local pressure drop coefficients were determined from the experimental data and compared with published correlations. Results confirmed the Moody Chart [...]article/chapitre/communication
C. Park ; P. Hrnjak ; Proceedings of the 9th international refrigeration conference, Purdue USA, 16-19 july 2002 (2002; USA) | 2002This paper presents experimental results from a prototype of a microchannel heat exchanger used in a residential air-conditioning system as an air-cooled condenser. The main objectives were to analyze effects of the microchannel condenser on sys[...]article/chapitre/communication
This paper reviews both the advantages and disadvantages of conventional (DX or flooded) systems vs. secondary loops and identifies the limitations in the state of quantitative knowledge for comparative analysis. The three basic types of fluids [...]document multimédia (CD-ROM,...)
An experimental investigation of pressure drop and void fraction in aluminium microchannel tubes was conducted for a variety of flow conditions. Primary fluids of interest are refrigerants, R134a and R410A. The microchannel tubes are square port[...]