Effect of inert solid particles on detonation of a combustible gas mixture

Борисов, А. А.; Gel’fand, B. E.; Gubin, S. A.; Kogarko, S. M.

doi:10.1007/bf00744778

Cited by 19 publications

(18 citation statements)

References 1 publication

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“…It appears interesting to conduct a comparison of calculated data obtained on the basis of model suggested in [6] with the results of experiments [4]. This seems to be more interesting that the model [6] accounting for the integral kinetics of gas phase combustion does not require the cumbersome closing by means of using the empirical relation tign = tign (Tll~) presented in [3] or the requirement of linear approximation of heat addition by [4].…”

Section: Reviewmentioning

confidence: 99%

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Detonation of the Gas Mixtures with Inert Solid Particles

Федоров

Fomin

1997

Fluid Mechanics and Its Applications

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Section: Reviewmentioning

confidence: 99%

“…It was shown that the more is the specific area of powder the less is the quantity. In [3] there was presented a mathematical model in two-velocity two-temperature ap-determine the structure of detonation waves (DW) in a propane-air mix of stoichiometric composition with the additives of tungsten carbide particles.…”

Section: Reviewmentioning

confidence: 99%

Detonation of the Gas Mixtures with Inert Solid Particles

Федоров

Fomin

1997

Fluid Mechanics and Its Applications

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“…For instance, this method can be used to change the reactionzone length and the detonation-wave velocity [1]. It was also found that the presence of chemically inert particles in the gas can prevent detonation propagation [2][3][4].…”

Section: Introductionmentioning

confidence: 99%

“…The dependence of the detonation velocity on the particle concentration was studied in [23,24]. The effect of the particle concentration and size on the wave parameters and suppression was considered in [1,4,22,[25][26][27][28][29]. The influence of the particlematerial density on the wave parameters and quenching was calculated in [4].…”

Section: Introductionmentioning

confidence: 99%

“…Transverse waves are expected to play an important role in detonation of gas mixtures with chemically 1 Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Division, Russian Academy of Sciences, Novosibirsk 630090; pavel fomin@mail.ru. 2 National Kaohsiung First University of Science and Technology, Kaohsiung 824, Taiwan; jrc@ccms.nkfust.edu.tw.…”

Section: Introductionmentioning

confidence: 99%

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Effect of chemically inert particles on parameters and suppression of detonation in gases

Fomin

Chen

2009

Combust Explos Shock Waves

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An algorithm for calculating the parameters of a steady one-dimensional detonation wave in mixtures of a gas with chemically inert particles and estimating the detonation-cell size in such mixtures is proposed. The calculated detonation parameters and cell size in stoichiometric hydrogen-oxygen mixtures with W, Al 2 O 3 , and SiO 2 particles are used to analyze the method of suppression of multifront gas detonation by injecting chemically inert particles ahead of the leading wave front. The ratio between the channel diameter and the detonation-cell size is used to estimate the limit of heterogeneous detonation in the mixtures considered. The minimum mass of particles and the characteristic cloud size necessary for detonation suppression are calculated. The effect of thermodynamic parameters of particles on the detonation suppression process is analyzed for the first time. Particles with a high specific heat and (if melting occurs) a high phase-transition heat are found to exert the most pronounced effect.

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Mathematical modeling of detonation suppression in a hydrogen-oxygen mixture by inert particles

Федоров

Тропин

Бедарев

2010

Combust Explos Shock Waves

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The paper addresses the problem of searching for methods that can control, suppress, and attenuate explosive and detonation processes in homogeneous and heterogeneous media (mixtures of reactive gases and inert species). The analysis is performed by analytical and numerical methods. The problem of detonation suppression in a mixture of reactive gases and inert species (argon and sand particles) in a one-dimensional unsteady flow is formulated, and its solution is given. The effect of the particle diameter and concentration on the detonation velocity is determined; the parameters of the detonation wave in a stoichiometric hydrogen-oxygen mixture diluted by a chemically inert gas (argon) and particles is determined. The influence of the initial parameters of the mixture on the possibility of detonation suppression by inert particles is studied. It is shown that the detonation velocity substantially decreases with increasing volume fraction of particles. A decrease in the particle size with an unchanged volume fraction is also found to reduce the detonation velocity.

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Effect of inert solid particles on detonation of a combustible gas mixture

Cited by 19 publications

References 1 publication

Detonation of the Gas Mixtures with Inert Solid Particles

Detonation of the Gas Mixtures with Inert Solid Particles

Effect of chemically inert particles on parameters and suppression of detonation in gases

Mathematical modeling of detonation suppression in a hydrogen-oxygen mixture by inert particles

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