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    Large Eddy Simulation of a Steady Circular Jet Issuing into Quiescent Fluid

    183225.pdf (6.017Mb)
    Access Status
    Open access
    Authors
    Jewkes, James
    King, Andrew
    Chung, Y.
    Date
    2011
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Jewkes, J.W. and King, A. and Chung, Y.M. 2011. Large Eddy Simulation of a Steady Circular Jet Issuing into Quiescent Fluid, in Chan, F., Marinova, D. and Anderssen, R.S. (ed), 19th International Congress on Modelling and Simulation, Dec 12-16 2011, pp. 544-550. Perth, WA: Modelling and Simulation Society of Australia and New Zealand.
    Source Title
    MODSIM 2011
    Source Conference
    19th International Congress on Modelling and Simulation.
    Additional URLs
    http://www.mssanz.org.au/modsim2011/A7/jewkes.pdf
    ISBN
    978-0-9872143-1-7
    School
    Department of Mechanical Engineering
    Remarks

    Copyright © 2011 The Authors and MSSANZ

    URI
    http://hdl.handle.net/20.500.11937/44641
    Collection
    • Curtin Research Publications
    Abstract

    In this paper we present preliminary results from a high-resolution large eddy simulation (LES) study which will establish whether jet inlet velocity conditions are of significance in separation control applications. We include orifice geometry, in order to allow realistic turbulent structures to naturally develop. Ultimately, we will simulate various momentum thicknesses, (D/0 = 50, 80, 120 and 180)at Rej = 104 where Rej = UjD/v, where Uj is the jet inflow velocity and D is the jet diameter, however this paper presents initial high-resolution LES results for a steady jet, Rej = 104, D/0 = 50. The ~ 1:2 x 107 cell model was computed using the iVEC EPIC supercomputing cluster, and our local Beowulf cluster at Curtin University, (12 Intel i7 920 quad core CPUs (= 48 cores)). Our results show promising agreement with validation data, and indicate that our model has the potential to produce useful and accurate data regarding the evolution of a steady turbulent jet issuing into quiescent air.

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