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Atomization Behavior of Newtonian Fluids with an Impinging Jet Injector in Dependence upon Reynolds and Weber Numbers

Ciezki, Helmut and Tiedt, Tobias and von Kampen, Jens and Bartels, Nora (2005) Atomization Behavior of Newtonian Fluids with an Impinging Jet Injector in Dependence upon Reynolds and Weber Numbers. In: Proceedings of 41st AIAA Joint Propulsion Conference (AIAA 2005-4477). 41st AIAA Joint Propulsion Conference, 2005-07-10 - 2004-07-13, Tucson, AZ (USA).

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Abstract

The atomization behavior of Newtonian fluids and non-Newtonian gelled fluids, which show a shear-thinning behavior, with a doublet like-on-like impinging jet injector has been investigated with the shadowgraph technique. The spray behavior of both distinct Newtonian fluids and non-Newtonian gels will be presented and compared. The experiments with Newtonian fluids of different Ohnesorge numbers have been conducted in a wide range of Reynolds and Weber numbers (60 ≤ Re ≤ 30,000 and 100 ≤ We ≤ 30,000). The different observed breakup modes are presented in a Regime diagram with Reynolds and Weber numbers as parameters. The present publication gives an overview about the actual state of the investigations and a first attempt will be presented to correlate both Newtonian and gelled fluids in one Regime diagram.

Item URL in elib:https://elib.dlr.de/50504/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Atomization Behavior of Newtonian Fluids with an Impinging Jet Injector in Dependence upon Reynolds and Weber Numbers
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Ciezki, HelmutUNSPECIFIEDUNSPECIFIED
Tiedt, TobiasUNSPECIFIEDUNSPECIFIED
von Kampen, JensUNSPECIFIEDUNSPECIFIED
Bartels, NoraUNSPECIFIEDUNSPECIFIED
Date:July 2005
Journal or Publication Title:Proceedings of 41st AIAA Joint Propulsion Conference
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Editors:
EditorsEmail
AIAA, UNSPECIFIED
Status:Published
Keywords:impinging jet injector, spray characteristics, regime diagram
Event Title:41st AIAA Joint Propulsion Conference
Event Location:Tucson, AZ (USA)
Event Type:international Conference
Event Dates:2005-07-10 - 2004-07-13
Organizer:AIAA
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Military Technologies (old)
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion > Technologie
Deposited By: Ciezki, Dr.-Ing. Helmut
Deposited On:07 Aug 2007
Last Modified:27 Apr 2009 14:10

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