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European Cooperation on Flow Separation Control

Frey, M. and Rydén, R. and Alziary de Roquefort, T. and Hagemann, G. and James, P. and Kachler, T. and Reijasse, P. and Schwane, R. and Stark, R. (2002) European Cooperation on Flow Separation Control. In: 4th International Conference on Launcher Technology "Space Launcher Liquid Propulsion". 4th International Conference on Launcher Technology, 3. - 6. Dec. 2002, Liege, Frankreich.

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Abstract

Most of today's launch vehicles use parallel staging with two or more strong solid rocket boosters and a core stage engine; the latter is ignited at ground and operates up to high altitudes, where the ambient pressure is close to vacuum. During take-off and the first phase of flight, the strong boosters make up most of the thrust, whereas the contribution of the core stage is comparably small. After booster separation, which usually takes place in altitudes where the ambient pressure is very low, the core stage alone accelerates the launcher. Therefore, the vacuum performance of the core stage engine has a considerable influence on the payload, whereas its sea-level impulse is of minor importance. An obvious way to enhance the payload of such launchers is hence to increase the area ratio e of the core engine nozzle.

Item URL in elib:https://elib.dlr.de/1600/
Document Type:Conference or Workshop Item (Speech)
Additional Information:LIDO-Berichtsjahr=2003,
Title:European Cooperation on Flow Separation Control
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Frey, M.Volvo AeroUNSPECIFIED
Rydén, R.Volvo AeroUNSPECIFIED
Alziary de Roquefort, T.Volvo AeroUNSPECIFIED
Hagemann, G.AstriumUNSPECIFIED
James, P.SNECMAUNSPECIFIED
Kachler, T.CNESUNSPECIFIED
Reijasse, P.ONERAUNSPECIFIED
Schwane, R.ESTECUNSPECIFIED
Stark, R.Ralf. Stark (at) dllr.deUNSPECIFIED
Date:2002
Journal or Publication Title:4th International Conference on Launcher Technology "Space Launcher Liquid Propulsion"
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:rocket Propulsion, flow Separation control
Event Title:4th International Conference on Launcher Technology
Event Location:Liege, Frankreich
Event Type:international Conference
Event Dates:3. - 6. Dec. 2002
Organizer:Centre National D'Etudes Spatiales (CNES)
HGF - Research field:Energy
HGF - Program:other
HGF - Program Themes:E - no assignment
DLR - Research area:Energy
DLR - Program:E - no assignment
DLR - Research theme (Project):E - no assignment
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion
Deposited By: Lohmiller, Monika
Deposited On:16 Sep 2005
Last Modified:15 Feb 2016 08:12

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