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Sensitivity Analysis of Non-equilibrium Expanding High-Enthalpy Flows

Oblapenko, Georgii and Hannemann, Volker (2023) Sensitivity Analysis of Non-equilibrium Expanding High-Enthalpy Flows. In: AIAA SciTech 2023 Forum, pp. 1-19. AIAA SciTech Forum, 2023-01-23 - 2023-01-27, National Harbor, Maryland, USA. doi: 10.2514/6.2023-1139.

Full text not available from this repository.

Official URL: https://arc.aiaa.org/doi/10.2514/6.2023-1139

Abstract

The role of vibrational and chemical relaxation processes on simulations of expanding hypersonic flows is considered in the present work. The Polynomial Chaos Expansion method is used to obtain uncertainty bounds of relevant flow properties (translational and vibrational temperatures, pressure, species molar fractions), as well as their sensitivities to vibrational relaxation times and chemical reaction rates. The studies are conducted for air flows under conditions relevant to different operating conditions of the HEG (High-enthalpy shock tunnel Göttingen).

Item URL in elib:https://elib.dlr.de/194007/
Document Type:Conference or Workshop Item (Speech)
Title:Sensitivity Analysis of Non-equilibrium Expanding High-Enthalpy Flows
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Oblapenko, GeorgiiUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hannemann, VolkerUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:19 January 2023
Journal or Publication Title:AIAA SciTech 2023 Forum
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI:10.2514/6.2023-1139
Page Range:pp. 1-19
Editors:
EditorsEmailEditor's ORCID iDORCID Put Code
UNSPECIFIEDAIAAUNSPECIFIEDUNSPECIFIED
Status:Published
Keywords:Relaxation Sensitivity Expanding flow
Event Title:AIAA SciTech Forum
Event Location:National Harbor, Maryland, USA
Event Type:international Conference
Event Start Date:23 January 2023
Event End Date:27 January 2023
Organizer:AIAA
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 - Reusable Space Systems and Propulsion Technology
Location: Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Spacecraft, GO
Deposited By: Hannemann, Dr.rer.nat. Volker
Deposited On:21 Mar 2023 14:41
Last Modified:24 Apr 2024 20:54

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