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Heat Transfer Related to a Self-Sustained Oscillating Plane Jet Flowing Inside a Rectangular Cavity

F. Iachachene1, A. Matoui2, Y. Halouane1

Department of energetic, faculty of Physics University M’hamed Bouguerra Boumerdes UMBB, Boumerdes, Algeria.
Theoretical and applied laboratory of fluid mechanics, University of sciences and Technology Houari Boumedienne - USTHB.

Fluid Dynamics & Materials Processing 2014, 10(4), 503-520.


Computations related to a heat transfer and fluid flow of a plane isothermal fully developed turbulent plane jet flowing into a rectangular hot cavity are reported in this paper. Both velocity and temperature distributions are computed by solving the two-dimensional Unsteady Reynolds Averaged Navier--Stokes (URANS) equations. This approach relies on one point statistical modeling based on the energy - specific dissipation (k-ω) turbulence model. The numerical simulations are carried out in the framework of a finite volume method. This problem is relevant to a wide range of practical applications including forced convection and the ventilation of mines, enclosure or corridors. The structural properties of the flow and heat transfer are described for several conditions. An oscillatory regime is evidenced for particular jet location, inducing for each variable a periodic behavior versus time. The jet flapping phenomena is detailed numerically through the instantaneous streamlines contours and the vorticity magnitude contours within one period of oscillation. The heat transfer along the cavity walls is also periodic. Time average of mean Nusselt number is correlated with some problem parameters.


Cite This Article

Iachachene, F., Matoui, A., Halouane, Y. (2014). Heat Transfer Related to a Self-Sustained Oscillating Plane Jet Flowing Inside a Rectangular Cavity. FDMP-Fluid Dynamics & Materials Processing, 10(4), 503–520.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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