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Sensitivity of heat fluxes in hypersonic CO2 flows to the state-to-state kinetic schemes. / Armenise, I.; Kustova, E.

30th International Symposium on Rarefied Gas Dynamics, RGD 2016. ред. / Henning Struchtrup; Andrew Ketsdever. American Institute of Physics, 2016. 150011 (AIP Conference Proceedings; Том 1786).

Результаты исследований: Публикации в книгах, отчётах, сборниках, трудах конференцийстатья в сборнике материалов конференциинаучнаяРецензирование

Harvard

Armenise, I & Kustova, E 2016, Sensitivity of heat fluxes in hypersonic CO2 flows to the state-to-state kinetic schemes. в H Struchtrup & A Ketsdever (ред.), 30th International Symposium on Rarefied Gas Dynamics, RGD 2016., 150011, AIP Conference Proceedings, Том. 1786, American Institute of Physics, 30th International Symposium on Rarefied Gas Dynamics, RGD 2016, Victoria, Канада, 10/07/16. https://doi.org/10.1063/1.4967652, https://doi.org/10.1063/1.4967652

APA

Armenise, I., & Kustova, E. (2016). Sensitivity of heat fluxes in hypersonic CO2 flows to the state-to-state kinetic schemes. в H. Struchtrup, & A. Ketsdever (Ред.), 30th International Symposium on Rarefied Gas Dynamics, RGD 2016 [150011] (AIP Conference Proceedings; Том 1786). American Institute of Physics. https://doi.org/10.1063/1.4967652, https://doi.org/10.1063/1.4967652

Vancouver

Armenise I, Kustova E. Sensitivity of heat fluxes in hypersonic CO2 flows to the state-to-state kinetic schemes. в Struchtrup H, Ketsdever A, Редакторы, 30th International Symposium on Rarefied Gas Dynamics, RGD 2016. American Institute of Physics. 2016. 150011. (AIP Conference Proceedings). https://doi.org/10.1063/1.4967652, https://doi.org/10.1063/1.4967652

Author

Armenise, I. ; Kustova, E. / Sensitivity of heat fluxes in hypersonic CO2 flows to the state-to-state kinetic schemes. 30th International Symposium on Rarefied Gas Dynamics, RGD 2016. Редактор / Henning Struchtrup ; Andrew Ketsdever. American Institute of Physics, 2016. (AIP Conference Proceedings).

BibTeX

@inproceedings{95fc4d1a3bc742f188d6336ac85c1fb5,
title = "Sensitivity of heat fluxes in hypersonic CO2 flows to the state-to-state kinetic schemes",
abstract = "Kinetics and heat transfer in a CO2/CO/O2/O/C mixture in a hypersonic boundary layer is studied using a state-to-state vibrational-chemical kinetic model. The CO2 molecule is detailed in its symmetric stretching, bending and asymmetric stretching modes, which are strongly coupled through inter-mode vibrational energy transfers. Two sets of rate coeficients for the vibrational energy transitions are used. Different kinetic schemes including various physical and chemical processes are assessed. The heat flux is calculated, in the framework of the modified Chapman-Enskog theory, accounting for the vibrational states of involved molecules. Comparisons with results obtained using a simplified model, including mainly vibrational levels of the asymmetric stretching mode, are carried out. It is shown that VT transitions in the symmetric and asymmetric modes do not alter the flow and can be neglected. The heat flux is not sensitive to the rates of vibrational energy transitions but depends noticeably on the processes implemented to the kinetic scheme. Using the simplified model yields under-predicted surface heat fluxes; nevertheless we can recommend it for fast estimates of the fluid dynamic variables and heat transfer in hypersonic flows since its implementation essentially reduces computational costs.",
author = "I. Armenise and E. Kustova",
note = "Copyright: Copyright 2017 Elsevier B.V., All rights reserved.; 30th International Symposium on Rarefied Gas Dynamics, RGD 2016 ; Conference date: 10-07-2016 Through 15-07-2016",
year = "2016",
month = nov,
day = "15",
doi = "10.1063/1.4967652",
language = "English",
series = "AIP Conference Proceedings",
publisher = "American Institute of Physics",
editor = "Henning Struchtrup and Andrew Ketsdever",
booktitle = "30th International Symposium on Rarefied Gas Dynamics, RGD 2016",
address = "United States",

}

RIS

TY - GEN

T1 - Sensitivity of heat fluxes in hypersonic CO2 flows to the state-to-state kinetic schemes

AU - Armenise, I.

AU - Kustova, E.

N1 - Copyright: Copyright 2017 Elsevier B.V., All rights reserved.

PY - 2016/11/15

Y1 - 2016/11/15

N2 - Kinetics and heat transfer in a CO2/CO/O2/O/C mixture in a hypersonic boundary layer is studied using a state-to-state vibrational-chemical kinetic model. The CO2 molecule is detailed in its symmetric stretching, bending and asymmetric stretching modes, which are strongly coupled through inter-mode vibrational energy transfers. Two sets of rate coeficients for the vibrational energy transitions are used. Different kinetic schemes including various physical and chemical processes are assessed. The heat flux is calculated, in the framework of the modified Chapman-Enskog theory, accounting for the vibrational states of involved molecules. Comparisons with results obtained using a simplified model, including mainly vibrational levels of the asymmetric stretching mode, are carried out. It is shown that VT transitions in the symmetric and asymmetric modes do not alter the flow and can be neglected. The heat flux is not sensitive to the rates of vibrational energy transitions but depends noticeably on the processes implemented to the kinetic scheme. Using the simplified model yields under-predicted surface heat fluxes; nevertheless we can recommend it for fast estimates of the fluid dynamic variables and heat transfer in hypersonic flows since its implementation essentially reduces computational costs.

AB - Kinetics and heat transfer in a CO2/CO/O2/O/C mixture in a hypersonic boundary layer is studied using a state-to-state vibrational-chemical kinetic model. The CO2 molecule is detailed in its symmetric stretching, bending and asymmetric stretching modes, which are strongly coupled through inter-mode vibrational energy transfers. Two sets of rate coeficients for the vibrational energy transitions are used. Different kinetic schemes including various physical and chemical processes are assessed. The heat flux is calculated, in the framework of the modified Chapman-Enskog theory, accounting for the vibrational states of involved molecules. Comparisons with results obtained using a simplified model, including mainly vibrational levels of the asymmetric stretching mode, are carried out. It is shown that VT transitions in the symmetric and asymmetric modes do not alter the flow and can be neglected. The heat flux is not sensitive to the rates of vibrational energy transitions but depends noticeably on the processes implemented to the kinetic scheme. Using the simplified model yields under-predicted surface heat fluxes; nevertheless we can recommend it for fast estimates of the fluid dynamic variables and heat transfer in hypersonic flows since its implementation essentially reduces computational costs.

UR - http://www.scopus.com/inward/record.url?scp=85008965613&partnerID=8YFLogxK

U2 - 10.1063/1.4967652

DO - 10.1063/1.4967652

M3 - Conference contribution

T3 - AIP Conference Proceedings

BT - 30th International Symposium on Rarefied Gas Dynamics, RGD 2016

A2 - Struchtrup, Henning

A2 - Ketsdever, Andrew

PB - American Institute of Physics

T2 - 30th International Symposium on Rarefied Gas Dynamics, RGD 2016

Y2 - 10 July 2016 through 15 July 2016

ER -

ID: 74854324