Reference : Modelling of an air condenser working in critical zone for engine cooling by refrigerant...
Scientific congresses and symposiums : Paper published in a book
Engineering, computing & technology : Mechanical engineering
http://hdl.handle.net/2268/60333
Modelling of an air condenser working in critical zone for engine cooling by refrigerant loop
English
Cuevas, Cristian [ > > ]
Winandy, Eric [ > > ]
Lebrun, Jean [ > > ]
Ngendakumana, Philippe mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > Thermotechnique >]
May-2003
6th Edition of Vehicle Thermal Management Systems (VTMS) Conference
12
Yes
International
6th Edition of Vehicle Thermal Management Systems (VTMS) Conference
du 18 mai 2003 au 21 mai 2003
Brighton
UNITED KINGDOM
[en] Engine cooling ; Heat exchanger ; Condenser ; Modelling ; Refrigerant ; Critical pressure
[en] A general and simple model of a condenser for engine cooling by refrigeration loop is presented. The model assumes that the condenser is divided into three distinct zones on the refrigerant side: the vapor superheated zone, the two-phase zone and the sub-cooled liquid zone.
The model inputs are the dry bulb air supply temperature, the air mass flow rate, the refrigerant supply over-heating, the sub-cooling and the refrigerant mass flow rate. The model is able to give mainly the pressure and temperature in each zone and, of course also, the heat flow and the exhaust enthalpy. The model gives also the geometrical repartition or area percentage of each zone.
Adjustable coefficients are used with each correlation to fit the experimental results. An example of identification and validation is presented. The condenser has been tested up to 40 bar with R134a and the model accuracy is within ±2K in condensing temperature prediction.
PSA Peugeôt - Citroën
Researchers ; Professionals
http://hdl.handle.net/2268/60333

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