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Flame Speciation and Laminar Burning Velocity of Tetralin Flames Under Atmospheric Pressure.

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Title: Flame Speciation and Laminar Burning Velocity of Tetralin Flames Under Atmospheric Pressure.
Authors: Matyushkov, Vladislav V.1 (AUTHOR) mvv@kinetics.nsc.ru, Chernov, Anatoly A.1,2 (AUTHOR), Novikov, Mikhail V.1,3 (AUTHOR), Osipova, Ksenia N.1 (AUTHOR), Bolshova, Tatyana A.1,2 (AUTHOR), Dmitriev, Artëm M.1,2,3 (AUTHOR), Knyazkov, Denis A.1 (AUTHOR), Shmakov, Andrey G.1,3 (AUTHOR)
Source: Energies (19961073). Nov2025, Vol. 18 Issue 22, p5878. 25p.
Subjects: Chemical speciation, Burning velocity, Pyrolysis, Flame, Atmospheric pressure, Mass spectrometry, Chemical kinetics, Stoichiometry
Abstract: We present a combined experimental and modeling study of premixed atmospheric-pressure tetralin flames. Chemical speciation in near-stoichiometric (φ = 0.8–1.0) tetralin/O2/Ar flames was characterized by probe-sampling molecular-beam mass spectrometry (MBMS) with soft ionization (12.3–18 eV). Total ionization cross-sections (TICSs) for heavy intermediates were computed ab initio to enable quantitative MBMS processing. Laminar burning velocities (LBVs) of tetralin/air flames were measured in a range of equivalence ratios (φ = 0.75–1.5) on a nozzle burner via the stretch-corrected total area method. This is the first reported LBV data for tetralin/air flames (maximum LBV was 47.3 ± 2 cm/s at φ = 1.1). The experimental mole fraction profiles and LBVs were interpreted using three detailed mechanisms. None of the mechanisms were able to correctly describe the LBV profile, and a number of discrepancies were observed in the mole fraction profiles. Reaction network and sensitivity analyses were performed to identify specific sub-mechanisms requiring refinement. In particular, the subchemistry of naphthalene and indene strongly affects the accuracy of model predictions, whereas the flame speciation data indicate large uncertainties in the simulated concentrations of these species. [ABSTRACT FROM AUTHOR]
Copyright of Energies (19961073) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Flame Speciation and Laminar Burning Velocity of Tetralin Flames Under Atmospheric Pressure.
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  Data: <searchLink fieldCode="AR" term="%22Matyushkov%2C+Vladislav+V%2E%22">Matyushkov, Vladislav V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> mvv@kinetics.nsc.ru</i><br /><searchLink fieldCode="AR" term="%22Chernov%2C+Anatoly+A%2E%22">Chernov, Anatoly A.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Novikov%2C+Mikhail+V%2E%22">Novikov, Mikhail V.</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Osipova%2C+Ksenia+N%2E%22">Osipova, Ksenia N.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bolshova%2C+Tatyana+A%2E%22">Bolshova, Tatyana A.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dmitriev%2C+Artëm+M%2E%22">Dmitriev, Artëm M.</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Knyazkov%2C+Denis+A%2E%22">Knyazkov, Denis A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shmakov%2C+Andrey+G%2E%22">Shmakov, Andrey G.</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Nov2025, Vol. 18 Issue 22, p5878. 25p.
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  Data: <searchLink fieldCode="DE" term="%22Chemical+speciation%22">Chemical speciation</searchLink><br /><searchLink fieldCode="DE" term="%22Burning+velocity%22">Burning velocity</searchLink><br /><searchLink fieldCode="DE" term="%22Pyrolysis%22">Pyrolysis</searchLink><br /><searchLink fieldCode="DE" term="%22Flame%22">Flame</searchLink><br /><searchLink fieldCode="DE" term="%22Atmospheric+pressure%22">Atmospheric pressure</searchLink><br /><searchLink fieldCode="DE" term="%22Mass+spectrometry%22">Mass spectrometry</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+kinetics%22">Chemical kinetics</searchLink><br /><searchLink fieldCode="DE" term="%22Stoichiometry%22">Stoichiometry</searchLink>
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  Data: We present a combined experimental and modeling study of premixed atmospheric-pressure tetralin flames. Chemical speciation in near-stoichiometric (φ = 0.8–1.0) tetralin/O2/Ar flames was characterized by probe-sampling molecular-beam mass spectrometry (MBMS) with soft ionization (12.3–18 eV). Total ionization cross-sections (TICSs) for heavy intermediates were computed ab initio to enable quantitative MBMS processing. Laminar burning velocities (LBVs) of tetralin/air flames were measured in a range of equivalence ratios (φ = 0.75–1.5) on a nozzle burner via the stretch-corrected total area method. This is the first reported LBV data for tetralin/air flames (maximum LBV was 47.3 ± 2 cm/s at φ = 1.1). The experimental mole fraction profiles and LBVs were interpreted using three detailed mechanisms. None of the mechanisms were able to correctly describe the LBV profile, and a number of discrepancies were observed in the mole fraction profiles. Reaction network and sensitivity analyses were performed to identify specific sub-mechanisms requiring refinement. In particular, the subchemistry of naphthalene and indene strongly affects the accuracy of model predictions, whereas the flame speciation data indicate large uncertainties in the simulated concentrations of these species. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Energies (19961073) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Text: English
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        Type: general
      – SubjectFull: Burning velocity
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      – SubjectFull: Pyrolysis
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      – SubjectFull: Atmospheric pressure
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      – SubjectFull: Mass spectrometry
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      – SubjectFull: Chemical kinetics
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              Text: Nov2025
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