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Experimental Study on Jet Acoustics of Subscale Rocket Nozzles with a Different Divergent Contour Design

Stark, Ralf and Schneider, Dirk and Martin, Jan and General, Stephan (2019) Experimental Study on Jet Acoustics of Subscale Rocket Nozzles with a Different Divergent Contour Design. In: Proceedings of the 8th European Conference for Aeronautics and Space Sciences. 8th European Conference for Aeronautics and Space Sciences EUCASS, 1. - 4. Jul. 2019, Madrid, Spain. DOI: 10.13009/EUCASS2019-514

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Abstract

To design launch pads and test facilities properly it is necessary to predict the noise emission of rocket engines as well as specific exhaust jet created tones. As existing prediction models are limited to Jet engines with low jet Mach numbers, tests were performed to study the application in rocket engines ith significant higher jet Mach numbers. Two subscale rocket nozzles were tested, differing in the contour type and the related exhaust jet shock pattern. The tests reveal several prominent tones of different types that appear only during fully-attached flow state.

Item URL in elib:https://elib.dlr.de/130210/
Document Type:Conference or Workshop Item (Speech)
Title:Experimental Study on Jet Acoustics of Subscale Rocket Nozzles with a Different Divergent Contour Design
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Stark, RalfRalf.Stark (at) dlr.dehttps://orcid.org/0000-0003-1923-1901
Schneider, DirkDirk.Schneider (at) dlr.dehttps://orcid.org/0000-0002-4785-4244
Martin, JanJan.Martin (at) dlr.dehttps://orcid.org/0000-0002-5050-2506
General, StephanStephan.General (at) dlr.dehttps://orcid.org/0000-0001-5606-882X
Date:2019
Journal or Publication Title:Proceedings of the 8th European Conference for Aeronautics and Space Sciences
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI :10.13009/EUCASS2019-514
Status:Published
Keywords:rocket engine, rocket nozzle
Event Title:8th European Conference for Aeronautics and Space Sciences EUCASS
Event Location:Madrid, Spain
Event Type:international Conference
Event Dates:1. - 4. Jul. 2019
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):Proj TAUROS (TAU for Rocket Thrust Chamber Simulation)
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion > Rocket Propulsion
Deposited By: Hanke, Michaela
Deposited On:18 Nov 2019 09:15
Last Modified:18 Nov 2019 09:15

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