Large eddy simulation of a steady circular jet issuing into quiescent fluid

J. W. Jewkes, A. J. King, Y. M. Chung

Research output: Chapter in Book/Report/Conference proceedingConference proceeding

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 inlet pipe geometry, in order to allow realistic turbulent structures to naturally develop. Ultimately, we will simulate various momentum thicknesses, (D=q = 50, 80, 120 and 180) at Rej = 104 where Rej =UjD=n, 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=θ = 50. The ≈ 6×106 cell model was computed using 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.

Original languageEnglish
Title of host publicationProceedings of the 18th Australasian Fluid Mechanics Conference, AFMC 2012
EditorsP. A. Brandner, B. W. Pearce
PublisherAustralasian Fluid Mechanics Society
ISBN (Electronic)9780646583730
Publication statusPublished - 2012
Externally publishedYes
Event18th Australasian Fluid Mechanics Conference, AFMC 2012 - Launceston, Australia
Duration: 3 Dec 20127 Dec 2012

Conference

Conference18th Australasian Fluid Mechanics Conference, AFMC 2012
CountryAustralia
CityLaunceston
Period3/12/127/12/12

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes

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