Numerical Simulation of a Conical Flame of a Gas–Droplet Suspension of Ethanol in Air: Comparison with Gas Mixture Combustion

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Numerical Simulation of a Conical Flame of a Gas–Droplet Suspension of Ethanol in Air: Comparison with Gas Mixture Combustion. / Ponomarev, A. A.; Khrebtov, M. Yu.; Mullyadzhanov, R. I. et al.

In: Combustion, Explosion and Shock Waves, Vol. 61, No. 3, 17.12.2025, p. 349-355.

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

BibTeX

@article{f7acef929a9847d485adbf81ff041f3b,

title = "Numerical Simulation of a Conical Flame of a Gas–Droplet Suspension of Ethanol in Air: Comparison with Gas Mixture Combustion",

abstract = "The increase in the burning velocity of a laminar fuel-rich ethanol flame due to droplet injection was investigated numerically, and the results were compared with calculations for ethanol combustion without injection at the same fuel mass flow rate. The calculations show that the presence of a dispersed phase in the form of 14 m droplets with a mass flow rate of 0.5 g/min and a gas flow rate of 1.6 g/min significantly increases the flame propagation velocity compared to the combustion of gaseous ethanol with a flow rate of 2.1 g/min. The laminar flame speed increases from 23 cm/s in the combustion of the purely gaseous fuel to 42 cm/s in the combustion with droplet injection. This effect correlates with a more than threefold increase in atomic hydrogen concentration in the flame and with a twofold increase in HCO concentration.",

keywords = "OpenFOAM, ethanol, finite volume method, gas–droplet combustion, laminar conical flame, laminar conical flame, gas–droplet combustion, ethanol, finite volume method, OpenFOAM",

author = "Ponomarev, {A. A.} and Khrebtov, {M. Yu.} and Mullyadzhanov, {R. I.} and Dulin, {V. M.}",

note = "Ponomarev, A.A., Khrebtov, M.Y., Mullyadzhanov, R.I. et al. Numerical Simulation of a Conical Flame of a Gas–Droplet Suspension of Ethanol in Air: Comparison with Gas Mixture Combustion. Combust Explos Shock Waves 61, 349–355 (2025). https://doi.org/10.1134/S0010508225700212 This study was supported by the Russian Science Foundation (grant no. 22-19-00803). Use of infrastructure was provided within the framework of State assignment no. 123012000019-3 of the Institute of Thermophysics of the Siberian Branch of the Russian Academy of Sciences.",

year = "2025",

month = dec,

day = "17",

doi = "10.1134/S0010508225700212",

language = "English",

volume = "61",

pages = "349--355",

journal = "Combustion, Explosion and Shock Waves",

issn = "0010-5082",

publisher = "Springer New York",

number = "3",

}

RIS

TY - JOUR

T1 - Numerical Simulation of a Conical Flame of a Gas–Droplet Suspension of Ethanol in Air: Comparison with Gas Mixture Combustion

AU - Ponomarev, A. A.

AU - Khrebtov, M. Yu.

AU - Mullyadzhanov, R. I.

AU - Dulin, V. M.

N1 - Ponomarev, A.A., Khrebtov, M.Y., Mullyadzhanov, R.I. et al. Numerical Simulation of a Conical Flame of a Gas–Droplet Suspension of Ethanol in Air: Comparison with Gas Mixture Combustion. Combust Explos Shock Waves 61, 349–355 (2025). https://doi.org/10.1134/S0010508225700212 This study was supported by the Russian Science Foundation (grant no. 22-19-00803). Use of infrastructure was provided within the framework of State assignment no. 123012000019-3 of the Institute of Thermophysics of the Siberian Branch of the Russian Academy of Sciences.

PY - 2025/12/17

Y1 - 2025/12/17

N2 - The increase in the burning velocity of a laminar fuel-rich ethanol flame due to droplet injection was investigated numerically, and the results were compared with calculations for ethanol combustion without injection at the same fuel mass flow rate. The calculations show that the presence of a dispersed phase in the form of 14 m droplets with a mass flow rate of 0.5 g/min and a gas flow rate of 1.6 g/min significantly increases the flame propagation velocity compared to the combustion of gaseous ethanol with a flow rate of 2.1 g/min. The laminar flame speed increases from 23 cm/s in the combustion of the purely gaseous fuel to 42 cm/s in the combustion with droplet injection. This effect correlates with a more than threefold increase in atomic hydrogen concentration in the flame and with a twofold increase in HCO concentration.

AB - The increase in the burning velocity of a laminar fuel-rich ethanol flame due to droplet injection was investigated numerically, and the results were compared with calculations for ethanol combustion without injection at the same fuel mass flow rate. The calculations show that the presence of a dispersed phase in the form of 14 m droplets with a mass flow rate of 0.5 g/min and a gas flow rate of 1.6 g/min significantly increases the flame propagation velocity compared to the combustion of gaseous ethanol with a flow rate of 2.1 g/min. The laminar flame speed increases from 23 cm/s in the combustion of the purely gaseous fuel to 42 cm/s in the combustion with droplet injection. This effect correlates with a more than threefold increase in atomic hydrogen concentration in the flame and with a twofold increase in HCO concentration.

KW - OpenFOAM

KW - ethanol

KW - finite volume method

KW - gas–droplet combustion

KW - laminar conical flame

KW - gas–droplet combustion

KW - ethanol

KW - finite volume method

KW - OpenFOAM

UR - https://www.mendeley.com/catalogue/5fb64e14-013b-3bc5-973c-f42475b691d2/

UR - https://www.scopus.com/pages/publications/105025158179

U2 - 10.1134/S0010508225700212

DO - 10.1134/S0010508225700212

M3 - Article

VL - 61

SP - 349

EP - 355

JO - Combustion, Explosion and Shock Waves

JF - Combustion, Explosion and Shock Waves

SN - 0010-5082

IS - 3

ER -

ID: 72894468