Predictions of radiative transfer from a turbulent reacting jet in a cross-wind

Fairweather, Michael; Jones, W.P.; Lindstedt, R.P.

doi:10.1016/0010-2180(92)90077-3

Cited by 163 publications

(101 citation statements)

References 19 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This lift-off model is considered here as it is consistent with a parabolic flow model without modification and has been used in the past to predict the lift-off height of methane jet fires in a cross-flow, [27,[31][32][33]. The turbulence time-scale correlation was derived by Chakravarty et al, [34].…”

Section: Turbulent Combustion Modelmentioning

confidence: 99%

Modeling Lifted Methane Jet Fires Using the Boundary-Layer Equations

Cumber

Spearpoint

2006

Numerical Heat Transfer, Part B: Fundamentals

View full text Add to dashboard Cite

The focus of this paper is turbulent lifted jet fires. The main objective is to present a lifted jet fire methodology using the boundary layer equations as a basis. The advantages of this are finite volume mesh independent predictions of the mean flow fields can be calculated on readily available computer resources which leads to rigorous model calibration. A number of lift-off models are evaluated. The model of choice is one based on the laminar flamelet quenching concept combined with a model for the large-scale strain rate.

show abstract

Section: Turbulent Combustion Modelmentioning

confidence: 99%

Modeling Lifted Methane Jet Fires Using the Boundary-Layer Equations

Cumber

Spearpoint

2006

Numerical Heat Transfer, Part B: Fundamentals

View full text Add to dashboard Cite

show abstract

“…A common approach is to assume a temperature value delineates the visible portion of the flame. For example Fairweather et al, [17] and Cook et al, [18] using CFD and a phenomenological approach respectively to predict the flame structure, used a threshold value of 1400 K for field-scale natural gas jet fires, whereas Fairweather et al, [19] used a value of 1200 K for laboratory-scale natural gas jet fires. A 200 K change in axial temperature gives a difference in flame length of the order of 20-25%.…”

Section: Flame Length Methodologymentioning

confidence: 99%

“…Lindstedt's two equation soot model, [17,28] is used to calculate the soot volume fraction. The soot model consists of two transport equations for the soot mass fraction and particle number density.…”

Section: Soot Modellingmentioning

confidence: 99%

See 1 more Smart Citation

A computational flame length methodology for propane jet fires

Cumber

Spearpoint

2006

Fire Safety Journal

View full text Add to dashboard Cite

This paper presents a flame length methodology that mimics the human eye or camera using a CFD framework to calculate the flame structure. A parabolic flow model which accounts for turbulent combustion, soot kinetics and visible radiation distribution is extended to predict both rim-stabilised and lifted jet fires. The model is calibrated using a selected set of jet fire experiments and then validated against a wider range of data. Good agreement over a range of scales is demonstrated particularly when taking the degree of repeatability of the experiments into account. The flame length prediction is found to be insensitive to receiver location so long as the receiver is one or more flame lengths from the fire.

show abstract

“…Early studies of Malalasekera (1988, 1991) and more recent work by Lewis et al (1997) have used the discrete transfer method to model fire behaviour in compartments. Fairweather et al (1992) predicted the flame structure and thermal radiation around a turbulent reacting jet discharging into a cross-flow in the context of gas flaring operations. Radiation only represents about 20% of the total heat loss and the received radiation levels from the flame at a transducer could be post-processed outside the main CFD procedure.…”

Section: Some Combustion Related Applicationsmentioning

confidence: 99%

Calculation of Radiative Heat Transfer in Combustion Systems

Malalasekera¹,

Versteeg²,

Henson³

et al. 2002

Clean Air

View full text Add to dashboard Cite

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.

show abstract

Predictions of radiative transfer from a turbulent reacting jet in a cross-wind

Cited by 163 publications

References 19 publications

Modeling Lifted Methane Jet Fires Using the Boundary-Layer Equations

Modeling Lifted Methane Jet Fires Using the Boundary-Layer Equations

A computational flame length methodology for propane jet fires

Calculation of Radiative Heat Transfer in Combustion Systems

Contact Info

Product

Resources

About