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Oblapenko, G.P. and Kustova, E.V. and Hannemann, Klaus and Hannemann, Volker (2018) Assessment of Recent Thermo-chemical Relaxation Models Using the DLR-TAU Code. In: 31st International Symposium on Rarefied Gas Dynamics, RGD 2018. 31st International Symposium on Rarefied Gas Dynamics (RGD31), 2018-07-23 - 2018-07-27, Glasgow, UK. doi: 10.1063/1.5119640.
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Official URL: http://www.jwfl.ac.uk/event_detail.cfm?pid=07C7020B-AC36-4F5B-BA23-1BE3EC1C67D9
Abstract
A recently developed model of vibrational relaxation is applied to the study of strongly non-equilibrium flows of nitrogen and air. The model is implemented in the DLR-TAU solver and assessed in a wide range of conditions. Also implemented is a modification of the Treanor-Marrone model for non-equilibrium dissociation, along with Arrhenius law-style fits for the equilibrium rates obtained from quasi-classical trajectory simulations. Results of computations show that the new models give better agreement with experimental data than the widely used combination of the Landau-Teller and Park models.
| Item URL in elib: | https://elib.dlr.de/119184/ | ||||||||||||||||||||
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| Document Type: | Conference or Workshop Item (Poster) | ||||||||||||||||||||
| Title: | Assessment of Recent Thermo-chemical Relaxation Models Using the DLR-TAU Code | ||||||||||||||||||||
| Authors: |
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| Date: | July 2018 | ||||||||||||||||||||
| Journal or Publication Title: | 31st International Symposium on Rarefied Gas Dynamics, RGD 2018 | ||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||
| In SCOPUS: | Yes | ||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||
| DOI: | 10.1063/1.5119640 | ||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||
| Keywords: | thermal relaxation model, high temperature air flow | ||||||||||||||||||||
| Event Title: | 31st International Symposium on Rarefied Gas Dynamics (RGD31) | ||||||||||||||||||||
| Event Location: | Glasgow, UK | ||||||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||||||
| Event Start Date: | 23 July 2018 | ||||||||||||||||||||
| Event End Date: | 27 July 2018 | ||||||||||||||||||||
| Organizer: | University of Strathclyde | ||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||
| HGF - Program: | Space | ||||||||||||||||||||
| HGF - Program Themes: | Space Transportation | ||||||||||||||||||||
| DLR - Research area: | Raumfahrt | ||||||||||||||||||||
| DLR - Program: | R RP - Space Transportation | ||||||||||||||||||||
| DLR - Research theme (Project): | R - Project TAUROS (TAU for Rocket Thrust Chamber Simulation) | ||||||||||||||||||||
| Location: | Göttingen | ||||||||||||||||||||
| Institutes and Institutions: | Institute for Aerodynamics and Flow Technology > Spacecraft, GO | ||||||||||||||||||||
| Deposited By: | Hannemann, Dr.rer.nat. Volker | ||||||||||||||||||||
| Deposited On: | 22 Nov 2018 18:49 | ||||||||||||||||||||
| Last Modified: | 24 Apr 2024 20:23 |
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