Modelling Infrared Radiation from the Combustion Products in a Spark Ignition Engine

Blunsdon, C.A.; Dent, J. C.; Malalasekera, Weeratunge

doi:10.4271/932699

Cited by 2 publications

(1 citation statement)

References 11 publications

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“…The discrete transfer method has been successfully applied to predict radiative heat transfer from diesel and petrol engines and the results generally agree well with experimental trends (Blunsdon et al, 1992(Blunsdon et al, , 1993. In other applications Blunsdon et al (1996), Beeri et al (1996) The radial structure of the flame was less well represented.…”

Section: Some Combustion Related Applicationssupporting

confidence: 61%

Calculation of Radiative Heat Transfer in Combustion Systems

Malalasekera¹,

Versteeg²,

Henson³

et al. 2002

Clean Air

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Most practical combustion systems involve complex geometry configurations and CFD techniques used for the calculation of flow and combustion in such geometries use body-fitted non-orthogonal mesh systems. This paper reviews some of the currently available radiative heat transfer calculation techniques suitable for such CFD applications. The Monte Carlo method, the discrete transfer method, the YIX method, the discrete ordinates method and the finite volume method are discussed and some notable applications related to combustion problems are reviewed. Comparative results using all the methods outlined are presented for bench mark problems and their applicability to complex geometry situations are discussed. Radiative heat flux predictions for an S.I. engine simulation are presented to demonstrate the capability of the discrete transfer method in a pent-roof complex geometry combustion chamber. The paper also describes a ray based technique for the handling of turbulence-radiation interactions in combustion and its application is demonstrated in the prediction of a methane diffusion flame.

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