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Extrapolation of a generic scramjet model to flight scale by experiments, flight data and CFD

Mack, Andreas and Steelant, Johan and Hannemann, Klaus (2009) Extrapolation of a generic scramjet model to flight scale by experiments, flight data and CFD. In: Shock Waves Springer. pp. 619-624. ISBN 978-3-540-85182-0.

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Official URL: http://www.springer.com

Abstract

Based on ground and flight testing, a generic full scale scramjet combustion chamber was investigated to extrapolate the results obtained at small scale experiments. Numerical CFD validation was done for the experimental data for a duct size of 9.8mm height and wall porthole injection. Taking previous results of mixing and combustion performance enhancement into account, the configuration was extrapolated to a real full scale vehicle with a duct size of 300mm height. The combustion process in the full scale combustion chamber showed comparable flow topology changes and pressure rise due to variation in equivalence ratio. The different working modes of the scramjet such as the pure supersonic mode at lower equivalence ratio, a mixed subsonic/supersonic mode with a locked reverse flow area behind the injector at moderate equivalence ratio and choked flow at high equivalence ratio could be reproduced for both small and large scale ducts.

Document Type:Contribution to a Collection
Title:Extrapolation of a generic scramjet model to flight scale by experiments, flight data and CFD
Authors:
AuthorsInstitution or Email of Authors
Mack, AndreasUNSPECIFIED
Steelant, JohanESA-ESTEC, NL
Hannemann, KlausUNSPECIFIED
Date:2009
Journal or Publication Title:Shock Waves
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Volume:1
Page Range:pp. 619-624
Editors:
EditorsEmail
Hannemann, KLausUNSPECIFIED
Seiler, FriedrichUNSPECIFIED
Publisher:Springer
ISBN:978-3-540-85182-0
Status:Published
Keywords:shock waves, CFD, combustion, scramjet
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:Space
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):W - Grundlagen Raumtransport - Anlagen und Messtechnik (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Spacecraft
Deposited By: Dagmar Brennecke-Hosseinzadeh
Deposited On:16 Mar 2009
Last Modified:27 Apr 2009 15:52

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