MODELLING OF A LARGE ROTARY HEAT EXCHANGER
Tytus TULWIN
t.tulwin@pollub.plLublin University of Technology, 38D Nadbystrzycka Str. 20-618 Lublin (Poland)
Abstract
The first simulation consists of a partial cut-out of gas flow canal between the heat exchanger fins. The simulation is steady state and mainly provides the information about the heat transfer coefficient and pressure drop across the canal. The second simulation takes into account the complete system of rotary heat exchanger. It is a transient simulation with moving mesh. Then the heat transfer and air flow parameters are presented as a porous volume with a heat transfer model and rotational multi zone interface conditions. This simplification is accurate providing much better performance as the number of mesh nodes is much smaller. The methodology of the model setup is presented.
Keywords:
CFD, Conjugate, Heat, Exchanger, RecuperationReferences
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Authors
Tytus TULWINt.tulwin@pollub.pl
Lublin University of Technology, 38D Nadbystrzycka Str. 20-618 Lublin Poland
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