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Turbulence modelling of an unsteady periodic zero-net-mass flux jet

Ardalan Javadi (Institutionen för tillämpad mekanik)
Proceedings of the Institution of mechanical engineers. Part E, journal of process mechanical engineering (0954-4089). (2011)
[Artikel, refereegranskad vetenskaplig]

The purpose of this article is to present the results of a series of numerical simulations of zero-net-mass-flux (synthetic) jet actuators that are acquired by three turbulence models. Shear stress transport k–ω-based models, Reynolds stress ε-based models, and Reynolds stress ω-based models are applied and the results are compared along with the experimental data. Computations are performed with usual Reynolds-averaged Navier–Stokes equations solved in a time-dependent mode, for the simulation of a synthetic jet in quiescent environment. The collocated finite-volume approach is used by FOAM C++ library. The present investigation focuses on the ability of the turbulence models to substantiate the phase-averaged Reynolds equations. The reason of the poor reflection of phase-averaged values by numerical modelling is the crux of the current contribution but time-averaged values are predicted to be more reasonable.

Denna post skapades 2014-09-19.
CPL Pubid: 203013


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Institutioner (Chalmers)

Institutionen för tillämpad mekanik (1900-2017)



Chalmers infrastruktur