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Evaluation of an improved mixing plane interface for OpenFOAM

Martin Beaudoin ; Håkan Nilsson (Institutionen för tillämpad mekanik, Strömningslära) ; Maryse Page ; Robert Magnan ; Hrvoje Jasak (Institutionen för tillämpad mekanik, Strömningslära)
Proceedings of 27th symposium of hydraulic machinery and systems, 2014, Montreal, Canada (1755-1307). (2014)
[Konferensbidrag, refereegranskat]

A mixing plane interface provides a circumferentially averaging rotor-stator coupling interface, which is extremely useful in practical turbomachinery simulations. It allows fundamentally transient problems to be studied in steady-state, using simplified mesh components having periodic properties, and with the help of a multiple reference frames (MRF) approach. An improved version of the mixing plane interface for the community-driven version of OpenFOAM is presented. This new version of the mixing plane introduces a perfield, user-selectable mixing option for the flow fields at the interface, including the possibility to use a mass-flow averaging algorithm for the velocity field. We show that the quality of the mass-flow transfer can be improved by a proper selection of the mixing options at the interface. This paper focuses on the evaluation of the improved mixing plane interface for various steady-state simulations of incompressible flows, applied to a simple 2D validation test case, and to more complex 3D turbomachinery cases.

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Denna post skapades 2014-08-22. Senast ändrad 2015-01-08.
CPL Pubid: 201855


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