Studies of premixed flame propagation in explosion tubes

Fairweather, Michael; Hargrave, Graham K.; Ibrahim, Salah S.; Walker, D.G.

doi:10.1016/s0010-2180(98)00055-8

Cited by 113 publications

(63 citation statements)

References 9 publications

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“…Finally, the pressure field is practically uniform [16,17] around P max = 1.42 MPa. This kind of configuration may be obtained at different times of the reaction process and let appear no overpressure in the vessel which is coherent with results known in single compartments with weak volumes [18].…”

Section: Numerical Results In a Single Compartment Vesselsupporting

confidence: 87%

“…Similar evolutions in the form of coloured areas may be visualized to study the evolution of pressure or concentration gradients. The model also allows to study the influence of the equivalence ratio and to see the evolution of the thermodynamic conditions in rich and lean mixtures [18]. Due to its practically constant behaviour, the pressure appears as a very interesting parameter to validate the model.…”

Section: Numerical Results In a Single Compartment Vesselmentioning

confidence: 99%

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Simulation of the explosion of kerosene vapors inside a partitioned structure

Strozzi

Gillard

Pascaud

2012

Eur. Phys. J. Appl. Phys.

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The aim of this work is to propose a simple multi-physics model in order to predict the evolution of the thermodynamic variables during the combustion of kerosene vapors in each compartment of a closed vessel. A special attention is paid to the mechanical effects of combustion, e.g. the pressure evolution. The basic characteristics of the model have been developed as part of a Computational Fluid Dynamics (CFD) approach, in order to represent both the ignition stage and the flame propagation in the reactive mixture. The proposed development is validated in a single compartment vessel by investigations about the equivalence ratio and the reaction dynamics (final pressure, combustion duration, etc.). Moreover, the expected phenomenology is correctly reproduced for tanks composed of several compartments, such as for instance, a faster combustion process in presence of internal orifices. The impact of the ignition on the subsequent evolution of the explosion is also investigated, highlighting a strong influence of the ignition location. The model illustrates that the pressure evolution is the result of complex geometry effects: particularly, for a tank made of identical compartments, the total volume is not sufficient to describe the main trends concerning the mechanical effects of the explosion. The calculations are in agreement with classical results available in the literature for a special kind of kerosene (F.34) studied by the laboratory. Despite the proposed model relies on simple assumptions, it represents a useful tool for further vulnerability or risk assessment studies applied to aircraft kerosene tanks.

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Section: Numerical Results In a Single Compartment Vesselsupporting

confidence: 87%

Section: Numerical Results In a Single Compartment Vesselmentioning

confidence: 99%

Simulation of the explosion of kerosene vapors inside a partitioned structure

Strozzi

Gillard

Pascaud

2012

Eur. Phys. J. Appl. Phys.

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“…During its progression, the flame experiences various combustion regimes [1][2][3][4][5][6][7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

“…Through HSLSFV images, the progression of the propagating flame is captured, thus obtaining qualitative information about flame shape and scales of flame front wrinkling [1,[3][4][5][6][7][9][10][11]. PIV allows the measurement of the velocity field ahead of the flame front, leading to the quantification of the flame/vortex interaction [10,16,17].…”

Section: Introductionmentioning

confidence: 99%

Large Eddy Simulation and PIV Measurements of Unsteady Premixed Flames Accelerated by Obstacles

Sarli

Benedetto

Russo

et al. 2009

Flow Turbulence Combust

100

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“…The code combines a numerical technique for the description of propagating flames with the experimentally prescribed burning velocity, and incorporates a semi-empirical relationship between this and the flowinduced turbulence. These methods were previously developed and applied, coupled with a k- model [6] for the representation of turbulence, in a number of works [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Prediction of confined, vented methane-hydrogen explosions using a computational fluid dynamic approach

Woolley

Fairweather

Falle

et al. 2013

International Journal of Hydrogen Energy

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This is a repository copy of Prediction of confined, vented methane-hydrogen explosions using a computational fluid dynamic approach. ReuseUnless indicated otherwise, fulltext items are protected by copyright with all rights reserved. The copyright exception in section 29 of the Copyright, Designs and Patents Act 1988 allows the making of a single copy solely for the purpose of non-commercial research or private study within the limits of fair dealing. The publisher or other rights-holder may allow further reproduction and re-use of this version -refer to the White Rose Research Online record for this item. Where records identify the publisher as the copyright holder, users can verify any specific terms of use on the publisher's website. TakedownIf you consider content in White Rose Research Online to be in breach of UK law, please notify us by emailing eprints@whiterose.ac.uk including the URL of the record and the reason for the withdrawal request. ABSTRACTHydrogen is seen as an important energy carrier for the future, with a great benefit being carbon-free emissions at its point of use. A hydrogen transport system between manufacturing sites and end users is required, and one solution proposed is its addition to existing natural gas pipeline networks. A major concern with this approach is that the explosion hazard may be increased, relative to natural gas, should an accidental release occur. This paper describes a mathematical model of confined,

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Studies of premixed flame propagation in explosion tubes

Cited by 113 publications

References 9 publications

Simulation of the explosion of kerosene vapors inside a partitioned structure

Simulation of the explosion of kerosene vapors inside a partitioned structure

Large Eddy Simulation and PIV Measurements of Unsteady Premixed Flames Accelerated by Obstacles

Prediction of confined, vented methane-hydrogen explosions using a computational fluid dynamic approach

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