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Impact of Retro Rocket Plumes on Upper Stage Aerodynamics during Stage Separation

Hohn, Oliver and Gülhan, Ali (2015) Impact of Retro Rocket Plumes on Upper Stage Aerodynamics during Stage Separation. In: 20th AIAA International Space Planes and Hypersonic Systems and Technologies Conference (3679), pp. 1-13. 20th AIAA International Space Planes and Hypersonic Systems and Technologies Conference, 06. - 09. July 2015, Glasgow, Great Britain. DOI: 10.2514/6.2015-3679

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Official URL: http://arc.aiaa.org/doi/10.2514/6.2015-3679

Abstract

In this paper we report on an extensive investigation of the separation process of the first two stages of a carrier rocket corresponding to VEGA, which employs solid rocket motors. The effect of the plume of first stage retro rockets on upper stage aerodynamics and aerothermal loads is analysed mostly by means of windtunnel testing in the hypersonic windtunnel H2K of DLR Cologne. Aerodynamic coefficients are determined by force measurements. In addition pressure distributions on the upper stage surface and Schlieren images for flow visualization are recorded. Infrared thermography measurements are conducted to determine the effect on aerothermal loads. Different flow conditions are achieved by variation of Reynolds number, retro rocket injection pressure ratio and angle of attack.

Item URL in elib:https://elib.dlr.de/97558/
Document Type:Conference or Workshop Item (Speech)
Additional Information:AIAA-2015-3679
Title:Impact of Retro Rocket Plumes on Upper Stage Aerodynamics during Stage Separation
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Hohn, Oliveroliver.hohn (at) dlr.deUNSPECIFIED
Gülhan, Aliali.guelhan (at) dlr.deUNSPECIFIED
Date:2015
Journal or Publication Title:20th AIAA International Space Planes and Hypersonic Systems and Technologies Conference
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI :10.2514/6.2015-3679
Page Range:pp. 1-13
Series Name:Conference Proceedings online
Status:Published
Keywords:hypersonic, space access, launcher System, stage separation, retro rockets, plume interaction, aerodynamic force measurements
Event Title:20th AIAA International Space Planes and Hypersonic Systems and Technologies Conference
Event Location:Glasgow, Great Britain
Event Type:international Conference
Event Dates:06. - 09. July 2015
Organizer:AIAA American Institute of Aeronautics and Astronautics
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transport
DLR - Research area:Raumfahrt
DLR - Program:R RP - Raumtransport
DLR - Research theme (Project):R - Raumfahrzeugsysteme - Konzepte und Entwurf
Location: Köln-Porz
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Über- und Hyperschalltechnologien
Deposited By: Hohn, Oliver
Deposited On:13 Aug 2015 11:38
Last Modified:31 Jul 2019 19:54

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