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On large-scale vortex structures and flame front corrugations in swirling jets with combustion. / Markovich, Dmitriy; Dulin, Vladimir.

Heat and Mass Transfer and Hydrodynamics in Swirling Flows, HMTHSF 2019: Proceedings of the 7th International Conference. ред. / Alexander I. Leontiev; Yuriy A. Kuzma-Kichta; Shota A. Piralishvili; Sergey V. Veretennikov; Oleg A. Evdokimov. American Institute of Physics Inc., 2020. 020001 (AIP Conference Proceedings; Том 2211).

Результаты исследований: Публикации в книгах, отчётах, сборниках, трудах конференций › статья в сборнике материалов конференции › научная › Рецензирование

Harvard

Markovich, D & Dulin, V 2020, On large-scale vortex structures and flame front corrugations in swirling jets with combustion. в AI Leontiev, YA Kuzma-Kichta, SA Piralishvili, SV Veretennikov & OA Evdokimov (ред.), Heat and Mass Transfer and Hydrodynamics in Swirling Flows, HMTHSF 2019: Proceedings of the 7th International Conference., 020001, AIP Conference Proceedings, Том. 2211, American Institute of Physics Inc., 7th International Conference on Heat and Mass Transfer and Hydrodynamics in Swirling Flows, HMTHSF 2019, Rybinsk, Российская Федерация, 16.10.2019. https://doi.org/10.1063/5.0001025

APA

Markovich, D., & Dulin, V. (2020). On large-scale vortex structures and flame front corrugations in swirling jets with combustion. в A. I. Leontiev, Y. A. Kuzma-Kichta, S. A. Piralishvili, S. V. Veretennikov, & O. A. Evdokimov (Ред.), Heat and Mass Transfer and Hydrodynamics in Swirling Flows, HMTHSF 2019: Proceedings of the 7th International Conference [020001] (AIP Conference Proceedings; Том 2211). American Institute of Physics Inc.. https://doi.org/10.1063/5.0001025

Vancouver

Markovich D, Dulin V. On large-scale vortex structures and flame front corrugations in swirling jets with combustion. в Leontiev AI, Kuzma-Kichta YA, Piralishvili SA, Veretennikov SV, Evdokimov OA, Редакторы, Heat and Mass Transfer and Hydrodynamics in Swirling Flows, HMTHSF 2019: Proceedings of the 7th International Conference. American Institute of Physics Inc. 2020. 020001. (AIP Conference Proceedings). doi: 10.1063/5.0001025

Author

Markovich, Dmitriy ; Dulin, Vladimir. / On large-scale vortex structures and flame front corrugations in swirling jets with combustion. Heat and Mass Transfer and Hydrodynamics in Swirling Flows, HMTHSF 2019: Proceedings of the 7th International Conference. Редактор / Alexander I. Leontiev ; Yuriy A. Kuzma-Kichta ; Shota A. Piralishvili ; Sergey V. Veretennikov ; Oleg A. Evdokimov. American Institute of Physics Inc., 2020. (AIP Conference Proceedings).

BibTeX

@inproceedings{e3683b5ee4014a4a81cb5a24916ff513,
title = "On large-scale vortex structures and flame front corrugations in swirling jets with combustion",
abstract = "The present paper reports on planar optical measurements of coherent structures in a swirling jet with vortex breakdown and combustion. Two configurations of the atmospheric propane/air swirling flames are considered, namely, fuel-lean premixed and fuel-rich partially premixed flames. Deformations of the flame front are visualized by planar laser-induced fluorescence (PLIF) of HCHO. The instantaneous velocity fields are measured by particle image velocimetry (PIV). For extraction of coherent structures from the data sets, they are processed by proper orthogonal decomposition (POD). The instantaneous PLIF snapshots showed that the flame fronts were strongly corrugated by turbulent fluctuations. The POD analysis of both PIV and PLIF data sets revealed spatial modes of large-scale deformations of the reaction zone. From the analysis of the PIV data it was found that these modes were caused by two different types of hydrodynamics flow instabilities. One of them corresponded to large-scale vortex structures due to centrifugal instability of the swirling jet flow and breakdown of the vortex core. Another mode was related to unsteady longitudinal velocity fluctuations caused by the upward plume oscillations driven by buoyancy effect.",
author = "Dmitriy Markovich and Vladimir Dulin",
year = "2020",
month = mar,
day = "31",
doi = "10.1063/5.0001025",
language = "English",
series = "AIP Conference Proceedings",
publisher = "American Institute of Physics Inc.",
editor = "Leontiev, {Alexander I.} and Kuzma-Kichta, {Yuriy A.} and Piralishvili, {Shota A.} and Veretennikov, {Sergey V.} and Evdokimov, {Oleg A.}",
booktitle = "Heat and Mass Transfer and Hydrodynamics in Swirling Flows, HMTHSF 2019",
note = "7th International Conference on Heat and Mass Transfer and Hydrodynamics in Swirling Flows, HMTHSF 2019 ; Conference date: 16-10-2019 Through 18-10-2019",

}

RIS

TY - GEN

T1 - On large-scale vortex structures and flame front corrugations in swirling jets with combustion

AU - Markovich, Dmitriy

AU - Dulin, Vladimir

PY - 2020/3/31

Y1 - 2020/3/31

N2 - The present paper reports on planar optical measurements of coherent structures in a swirling jet with vortex breakdown and combustion. Two configurations of the atmospheric propane/air swirling flames are considered, namely, fuel-lean premixed and fuel-rich partially premixed flames. Deformations of the flame front are visualized by planar laser-induced fluorescence (PLIF) of HCHO. The instantaneous velocity fields are measured by particle image velocimetry (PIV). For extraction of coherent structures from the data sets, they are processed by proper orthogonal decomposition (POD). The instantaneous PLIF snapshots showed that the flame fronts were strongly corrugated by turbulent fluctuations. The POD analysis of both PIV and PLIF data sets revealed spatial modes of large-scale deformations of the reaction zone. From the analysis of the PIV data it was found that these modes were caused by two different types of hydrodynamics flow instabilities. One of them corresponded to large-scale vortex structures due to centrifugal instability of the swirling jet flow and breakdown of the vortex core. Another mode was related to unsteady longitudinal velocity fluctuations caused by the upward plume oscillations driven by buoyancy effect.

AB - The present paper reports on planar optical measurements of coherent structures in a swirling jet with vortex breakdown and combustion. Two configurations of the atmospheric propane/air swirling flames are considered, namely, fuel-lean premixed and fuel-rich partially premixed flames. Deformations of the flame front are visualized by planar laser-induced fluorescence (PLIF) of HCHO. The instantaneous velocity fields are measured by particle image velocimetry (PIV). For extraction of coherent structures from the data sets, they are processed by proper orthogonal decomposition (POD). The instantaneous PLIF snapshots showed that the flame fronts were strongly corrugated by turbulent fluctuations. The POD analysis of both PIV and PLIF data sets revealed spatial modes of large-scale deformations of the reaction zone. From the analysis of the PIV data it was found that these modes were caused by two different types of hydrodynamics flow instabilities. One of them corresponded to large-scale vortex structures due to centrifugal instability of the swirling jet flow and breakdown of the vortex core. Another mode was related to unsteady longitudinal velocity fluctuations caused by the upward plume oscillations driven by buoyancy effect.

UR - http://www.scopus.com/inward/record.url?scp=85083017949&partnerID=8YFLogxK

U2 - 10.1063/5.0001025

DO - 10.1063/5.0001025

M3 - Conference contribution

AN - SCOPUS:85083017949

T3 - AIP Conference Proceedings

BT - Heat and Mass Transfer and Hydrodynamics in Swirling Flows, HMTHSF 2019

A2 - Leontiev, Alexander I.

A2 - Kuzma-Kichta, Yuriy A.

A2 - Piralishvili, Shota A.

A2 - Veretennikov, Sergey V.

A2 - Evdokimov, Oleg A.

PB - American Institute of Physics Inc.

T2 - 7th International Conference on Heat and Mass Transfer and Hydrodynamics in Swirling Flows, HMTHSF 2019

Y2 - 16 October 2019 through 18 October 2019

ER -

ID: 23996293