Computations of 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 is based on one-point statistical modeling using the energy-specific dissipation (k-ω) turbulence model. The numerical predictions are achieved by 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 are detailed numerically by 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 according with some problem parameters.
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Research-Article
Numerical Investigations on Heat Transfer of Self-Sustained Oscillation of a Turbulent Jet Flow Inside a Cavity
Farida Iachachene,
Farida Iachachene
Department of Physics,
Faculty of Sciences,
Boumerdes UMBB,
Faculty of Sciences,
University M'hamed Bouguerra
Boumerdes UMBB,
Boumerdes
, Algeria
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Amina Mataoui,
Amina Mataoui
1
Theoretical and Applied Laboratory of
Fluid Mechanics,
e-mail: amataoui@usthb.dz or mataoui_amina@yahoo.fr
Fluid Mechanics,
University of Sciences and Technology Houari Boumedienne-USTHB
,B.P. 32, Bab Ezzouar
,Algiers 16111 Al Alia
, Algeria
e-mail: amataoui@usthb.dz or mataoui_amina@yahoo.fr
1Corresponding author.
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Yacine Halouane
Yacine Halouane
Department of Energetic,
Faculty of Engineering Sciences,
Boumerdes UMBB,
Faculty of Engineering Sciences,
University M'hamed Bouguerra
Boumerdes UMBB,
Boumerdes,
Algeria
Search for other works by this author on:
Farida Iachachene
Department of Physics,
Faculty of Sciences,
Boumerdes UMBB,
Faculty of Sciences,
University M'hamed Bouguerra
Boumerdes UMBB,
Boumerdes
, Algeria
Amina Mataoui
Theoretical and Applied Laboratory of
Fluid Mechanics,
e-mail: amataoui@usthb.dz or mataoui_amina@yahoo.fr
Fluid Mechanics,
University of Sciences and Technology Houari Boumedienne-USTHB
,B.P. 32, Bab Ezzouar
,Algiers 16111 Al Alia
, Algeria
e-mail: amataoui@usthb.dz or mataoui_amina@yahoo.fr
Yacine Halouane
Department of Energetic,
Faculty of Engineering Sciences,
Boumerdes UMBB,
Faculty of Engineering Sciences,
University M'hamed Bouguerra
Boumerdes UMBB,
Boumerdes,
Algeria
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received July 6, 2014; final manuscript received March 15, 2015; published online June 2, 2015. Assoc. Editor: Jim A. Liburdy.
J. Heat Transfer. Oct 2015, 137(10): 101702 (10 pages)
Published Online: October 1, 2015
Article history
Received:
July 6, 2014
Revision Received:
March 15, 2015
Online:
June 2, 2015
Citation
Iachachene, F., Mataoui, A., and Halouane, Y. (October 1, 2015). "Numerical Investigations on Heat Transfer of Self-Sustained Oscillation of a Turbulent Jet Flow Inside a Cavity." ASME. J. Heat Transfer. October 2015; 137(10): 101702. https://doi.org/10.1115/1.4030497
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