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CFD modelling of heavy fuel oil spray combustion


Garaniya, V and Goldsworthy, L, CFD modelling of heavy fuel oil spray combustion, Proceedings of the 18th Australasian Fluid Mechanics Conference, 3-7 December, Lauceston, Tasmania, Australia, pp. 1-4. ISBN 9780646583730 (2012) [Refereed Conference Paper]

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Copyright 2012 Leishman Associates

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Global shipping uses Heavy Fuel Oil (HFO) as the primary fuel. HFO is a mixture of oil refinery residue and cutter stock, hence it contains large numbers of hydrocarbons with a wide range of molecular weights and dissimilar structures. Conventional thermodynamics modelling techniques are inadequate for HFO vaporisation modelling. The present article summarises continuous thermodynamics vaporization models along with chemical kinetics models for decomposition and polymerisation, and soot burnout models employed to study the behaviour of HFO spray combustion. Models are implemented via subroutines in a diesel spray simulation in the CFD package StarCD. The simulation is applied to a constant volume spray combustion chamber. The present model accounts for the formation and burnout of liquid phase soot in diesel engines. This soot will be emitted as Black Carbon if unburnt. The models are examined for two representative fuel samples. Good qualitative agreement is shown between the simulations and published experimental data.

Item Details

Item Type:Refereed Conference Paper
Research Division:Engineering
Research Group:Maritime engineering
Research Field:Maritime engineering not elsewhere classified
Objective Division:Energy
Objective Group:Energy efficiency
Objective Field:Energy efficiency not elsewhere classified
UTAS Author:Garaniya, V (Associate Professor Vikram Garaniya)
UTAS Author:Goldsworthy, L (Dr Laurie Goldsworthy)
ID Code:82137
Year Published:2012
Deposited By:NC Maritime Engineering and Hydrodynamics
Deposited On:2013-01-16
Last Modified:2014-08-12
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