Diffusive–thermal oscillations of rich premixed hydrogen–air flames in a microflow reactor

Taisia Miroshnichenko; Vladimir Gubernov; Kaoru Maruta; Sergei Minaev

doi:10.1080/13647830.2015.1130858

Diffusive–thermal oscillations of rich premixed hydrogen–air flames in a microflow reactor

Taisia Miroshnichenko, Vladimir Gubernov, Kaoru Maruta, Sergei Minaev

Innovative Energy Research Center

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

In this paper the dynamics of rich hydrogen–air flames in a microflow reactor with controlled temperature of the walls is investigated numerically using the thermal-diffusion model with two-step kinetics in one spatial dimension. It is found that as the parameters of the system are varied the sequence of bifurcation occurs leading to the formation of complex spatio-temporal patterns. These include pulsating, chaotic, mixed-mode and FREI (Flames with Repetitive Extinction and Ignition) oscillations. The critical parameter values for the existence of different dynamical regimes are found in terms of equivalence ratio and flow velocity.

Original language	English
Pages (from-to)	313-327
Number of pages	15
Journal	Combustion Theory and Modelling
Volume	20
Issue number	2
DOIs	https://doi.org/10.1080/13647830.2015.1130858
Publication status	Published - 2016 Mar 3

Keywords

flame dynamics
hydrogen–air flames
microcombustion
premixed flames
stability

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Modelling and Simulation
Fuel Technology
Energy Engineering and Power Technology
Physics and Astronomy(all)

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10.1080/13647830.2015.1130858

Cite this

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title = "Diffusive–thermal oscillations of rich premixed hydrogen–air flames in a microflow reactor",

abstract = "In this paper the dynamics of rich hydrogen–air flames in a microflow reactor with controlled temperature of the walls is investigated numerically using the thermal-diffusion model with two-step kinetics in one spatial dimension. It is found that as the parameters of the system are varied the sequence of bifurcation occurs leading to the formation of complex spatio-temporal patterns. These include pulsating, chaotic, mixed-mode and FREI (Flames with Repetitive Extinction and Ignition) oscillations. The critical parameter values for the existence of different dynamical regimes are found in terms of equivalence ratio and flow velocity.",

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AU - Gubernov, Vladimir

AU - Maruta, Kaoru

AU - Minaev, Sergei

N1 - Funding Information: This work was supported by the Ministry of Education and Science of the Russian Federation [Grant 14.Y26.31.0003]; the Far Eastern Federal University; the Russian Foundation for Basic Research [Grant 13-03-00282] Publisher Copyright: © 2016 Informa UK Limited, trading as Taylor & Francis Group.

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N2 - In this paper the dynamics of rich hydrogen–air flames in a microflow reactor with controlled temperature of the walls is investigated numerically using the thermal-diffusion model with two-step kinetics in one spatial dimension. It is found that as the parameters of the system are varied the sequence of bifurcation occurs leading to the formation of complex spatio-temporal patterns. These include pulsating, chaotic, mixed-mode and FREI (Flames with Repetitive Extinction and Ignition) oscillations. The critical parameter values for the existence of different dynamical regimes are found in terms of equivalence ratio and flow velocity.

AB - In this paper the dynamics of rich hydrogen–air flames in a microflow reactor with controlled temperature of the walls is investigated numerically using the thermal-diffusion model with two-step kinetics in one spatial dimension. It is found that as the parameters of the system are varied the sequence of bifurcation occurs leading to the formation of complex spatio-temporal patterns. These include pulsating, chaotic, mixed-mode and FREI (Flames with Repetitive Extinction and Ignition) oscillations. The critical parameter values for the existence of different dynamical regimes are found in terms of equivalence ratio and flow velocity.

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Diffusive–thermal oscillations of rich premixed hydrogen–air flames in a microflow reactor

Abstract

Keywords

ASJC Scopus subject areas

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