Prediction of the burning rates of non-charring polymers☆

Stoliarov, Stanislav I.; Crowley, Sean; Lyon, Richard E.; Linteris, Gregory T.

doi:10.1016/j.combustflame.2008.11.010

Cited by 155 publications

(144 citation statements)

References 17 publications

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“…Lautenberger et al [12,13] have developed a generalized model, named "Gpyro", to simulate the fire behavior of non-charring polymers, other charring solids and intumescent coatings. Stoliarov et al [14][15][16] have also developed a model, named "ThermaKin", with a view to describing the pyrolysis of solid materials that were exposed to an external heat flux.…”

Section: Introductionmentioning

confidence: 99%

Modeling the Pyrolysis and Combustion Behaviors of Non-Charring and Intumescent-Protected Polymers Using “FiresCone”

et al. 2015

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A mathematical model, named FiresCone, was developed to simulate the pyrolysis and combustion processes of different types of combustible materials, which also took into account both gas and solid phases. In the present study, some non-charring and intumescent-protected polymer samples were investigated regarding their combustion behaviors in response to pre-determined external heat fluxes. The modeling results were validated against the experimental outcomes obtained from a cone calorimeter. The predicted mass loss rates of the samples were found to fit reasonably well with the experimental data collected under various levels of external irradiation. Both the experimental and modeling results showed that the peak mass loss rate of the non-charring polymer material occurred near the end of burning, whereas for the intumescent-protected polymer it happed shortly after the start of the experiment. "FiresCone" is expected to act as a practical tool for the investigation of fire behavior of combustible materials. It is also expected to model fire scenarios under complicated conditions.

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Section: Introductionmentioning

confidence: 99%

Modeling the Pyrolysis and Combustion Behaviors of Non-Charring and Intumescent-Protected Polymers Using “FiresCone”

et al. 2015

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“…Numerical pyrolysis models, which usually include transient energy transport coupled with simplified decomposition chemistry, have been shown to be able to describe these processes in a reasonably accurate manner [2,3]. These models have a great potential as simulators of bench-scale flammability tests.…”

Section: Introductionmentioning

confidence: 99%

The effect of variation in polymer properties on the rate of burning

2009

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SUMMARYThe sensitivity of the burning rate to variations in physical and chemical properties of synthetic polymers has been examined in order to understand the relative importance of the knowledge of these properties. The sensitivity analysis was performed using a numerical pyrolysis model called ThermaKin, which was employed to compute the rate of burning (expressed in terms of mass loss) of a one-dimensional material object exposed to steady radiative heat. The results of the calculations indicate that the knowledge of decomposition reaction parameters (including the Arrhenius pre-exponential factor, activation energy, heat, and char yield) is of key importance for prediction of the peak and average burning rates.

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“…Stoliarov et al [25] used heating rates of 0.05 K s −1 , 0.17 K s −1 , and 0.5 K s −1 to bring polymer sample from 373 K to 1003 K. Experiments were conducted in a nitrogen atmosphere. If decomposition is assumed to be a first order reaction, and reaction rate constants D k are calculated by numerical differentiation of mass loss data, then the rate constants may be plotted against temperature.…”

Section: Polymer Decomposition Modellingmentioning

confidence: 99%

“…fit of kinetic constants can be made to produce the following results (Table 6) for selected polymers (Stoliarov et al [25]). Here D h and C h are the heats of decomposition reactions and the heats of combustion of volatile decomposition products, respectively.…”

Section: Polymer Decomposition Modellingmentioning

confidence: 99%

Polymer Combustion as a Basis for Hybrid Propulsion: A Comprehensive Review and New Numerical Approaches

et al. 2011

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Hybrid Propulsion is an attractive alternative to conventional liquid and solid rocket motors. This is an active area of research and technological developments. Potential wide application of Hybrid Engines opens the possibility for safer and more flexible space vehicle launching and manoeuvring. The present paper discusses fundamental combustion issues related to further development of Hybrid Rockets. The emphasis is made on the two aspects: (1) properties of potential polymeric fuels, and their modification, and (2) implementation of comprehensive CFD models for combustion in Hybrid Engines. Fundamentals of polymeric fuel combustion are discussed. Further, steps necessary to accurately describe their burning behaviour by means of CFD models are investigated. Final part of the paper presents results of preliminary CFD simulations of fuel burning process in Hybrid Engine using a simplified set-up. Keywords

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Prediction of the burning rates of non-charring polymers☆

Cited by 155 publications

References 17 publications

Modeling the Pyrolysis and Combustion Behaviors of Non-Charring and Intumescent-Protected Polymers Using “FiresCone”

Modeling the Pyrolysis and Combustion Behaviors of Non-Charring and Intumescent-Protected Polymers Using “FiresCone”

The effect of variation in polymer properties on the rate of burning

Polymer Combustion as a Basis for Hybrid Propulsion: A Comprehensive Review and New Numerical Approaches

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