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Modelling of diesel spray dynamics using LES


Bong, CH and Goldsworthy, LC and Brandner, PA, Modelling of diesel spray dynamics using LES, Proceedings of the 18th Australasian Fluid Mechanics Conference, 3-7 December, Launceston, Tasmania, Australia, pp. 1-4. ISBN 9780646583730 (2012) [Refereed Conference Paper]

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Copyright 2012 Leishman Associates

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A non-evaporating high pressure spray of diesel fuel in a pressurised spray chamber is modelled using the CFD code StarCD. Large eddy simulation is used in conjunction with a Lagrangian model for the dispersed phase. Simulations are compared with data on spray penetration, spray width and droplet diameter from an optically accessible instrumented spray chamber. Spray penetration and width as well as droplet diameter are moderately well simulated. It is postulated that the most significant limitation regarding the ability to model real spray behaviour is the restriction on minimum cell size near the nozzle, inherent in the Lagrangian approach.

Item Details

Item Type:Refereed Conference Paper
Research Division:Engineering
Research Group:Maritime engineering
Research Field:Marine engineering
Objective Division:Transport
Objective Group:Environmentally sustainable transport activities
Objective Field:Management of gaseous waste from transport activities (excl. greenhouse gases)
UTAS Author:Bong, CH (Mr Chin Bong)
UTAS Author:Goldsworthy, LC (Dr Laurie Goldsworthy)
UTAS Author:Brandner, PA (Professor Paul Brandner)
ID Code:82574
Year Published:2012
Deposited By:NC Maritime Engineering and Hydrodynamics
Deposited On:2013-02-06
Last Modified:2014-08-12
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