Modeling refrigerant maldistribution in microchannel heat exchangers with vertical headers based on experimentally developed distribution results

R410A and R134a upward flow in the transparent vertical header and distribution into the horizontal parallel microchannel tubes were investigated. Refrigerant entered into the header by the five tubes in the bottom pass and exited through the five tubes in the top pass, representing the flow in the...

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Veröffentlicht in:	Applied thermal engineering 2014-03, Vol.64 (1-2), p.172-181
Hauptverfasser:	Zou, Yang, Tuo, Hanfei, Hrnjak, Pega S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Degradation Devices using thermal energy Energy Energy. Thermal use of fuels Exact sciences and technology Headers Heat exchangers Heat exchangers (included heat transformers, condensers, cooling towers) Heat transfer Mathematical models Microchannel heat exchanger Microchannels Modeling Outdoor Refrigerant distribution Refrigerants Refrigerating engineering Refrigerating engineering. Cryogenics. Food conservation Theoretical studies. Data and constants. Metering Tubes Two-phase flow Vertical header
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