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Commissioning of the Optical Swirling Spray Injector: A new Test Section for Investigations of Atomization Inside an Aero Engine Burner at Realistic Operating Conditions

Freitag, Stefan and Behrendt, Thomas (2014) Commissioning of the Optical Swirling Spray Injector: A new Test Section for Investigations of Atomization Inside an Aero Engine Burner at Realistic Operating Conditions. ILASS 2014 - 26th European Conference Liquid Atomization & Spray Systems, 08.-10. Sept. 2014, Bremen, Deutschland. ISBN 978-3-88722-744-9

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Official URL: http://www.ilass2014.org

Abstract

A new test section for fuel spray investigations of a generic aero engine burner is described in this paper. This testsection is designed for air-preheat temperatures up to 900 K, air pressures up to 2.5 MPa and air mass flows of 1.5 kg/s. The cross section of the spray chamber has a dimension of 102 x 102 mm². The fuel is not burned in the spray chamber itself, but in a catalytic combustor downstream of the test section. Due to this, optical investigations of the swirling spray without disturbing effects of the combustion are possible. Another outstanding feature of this test section is the possibility of investigations of the fuel atomization inside a burner with tomographic shadowgraphy [3]. Four large optical accesses to the burner flow field in the chamber and additional three accesses at the end of the chamber offer the possibility for a wide range of optical measuring methods like LDA, PDA or Mie- Scattering.

Item URL in elib:https://elib.dlr.de/90492/
Document Type:Conference or Workshop Item (Speech)
Title:Commissioning of the Optical Swirling Spray Injector: A new Test Section for Investigations of Atomization Inside an Aero Engine Burner at Realistic Operating Conditions
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Freitag, Stefanstefan.freitag (at) dlr.deUNSPECIFIED
Behrendt, Thomasthomas.behrendt (at) dlr.deUNSPECIFIED
Date:8 September 2014
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Editors:
EditorsEmail
Achelis, LydiaUNSPECIFIED
Fritsching, Udofritsching@ilass2014.org
ISBN:978-3-88722-744-9
Status:Published
Keywords:Aero engine, Optical test section, Laser Measurements, Shadowgraphy, Generic burner, Atomization
Event Title:ILASS 2014 - 26th European Conference Liquid Atomization & Spray Systems
Event Location:Bremen, Deutschland
Event Type:international Conference
Event Dates:08.-10. Sept. 2014
Organizer:ILASS Europe
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:propulsion systems
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Combusion Chamber Technologies (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Propulsion Technology > Combustor
Deposited By: Freitag, Stefan
Deposited On:14 Oct 2014 11:27
Last Modified:14 Oct 2014 11:27

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  • Commissioning of the Optical Swirling Spray Injector: A new Test Section for Investigations of Atomization Inside an Aero Engine Burner at Realistic Operating Conditions. (deposited 14 Oct 2014 11:27) [Currently Displayed]

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