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Ciezki, H. and Robers, A. and Schneider, G. (2002) Characterization of Flow and Spray Behavior of Gelled Fuels with Regard to Air Blast and Impinging Jet Atomizers. In: RTO AVT, Specialist Meeting on "Advances in Rocket Propellants Performance, Life and Disposal for Improved System Performance and Reduced Cost", Aalborg. RTO AVT, Specialist Meeting on "Advances in Rocket Propellants Performance, Life and Disposal for Improved System Performance and Reduced Cost", Aalborg, Denmark, 23 - 26 September 2002.
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Abstract
The spray behavior of different gelled fuels based on Jet A-1, has been investigated in two different atomizer types, i.e. an air blast atomizer with an annular coaxial air flow and a doublet like-on-like impinging jet atomizer. The characteristics of the jet breakup process of both injector types have been visualized by means of the shadowgraph technique. For the air blast atomizer different breakup regimes have been observed with increasing momentum flux ratio for the 3 investigated fuels. For the impinging jet atomizer the formation of a gel sheet has been observed, which is located at the intersection point of both gel jets and which is perpendicular oriented to the injector plane. Also the flow behavior in cylindrical and slightly conical tubes of gelled fuels, whose viscosity is shear rate dependent, has been described with analytical assumptions.
| Item URL in elib: | https://elib.dlr.de/1593/ | ||||||||||||||||
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| Document Type: | Conference or Workshop Item (Paper) | ||||||||||||||||
| Additional Information: | LIDO-Berichtsjahr=2003, | ||||||||||||||||
| Title: | Characterization of Flow and Spray Behavior of Gelled Fuels with Regard to Air Blast and Impinging Jet Atomizers | ||||||||||||||||
| Authors: |
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| Date: | 2002 | ||||||||||||||||
| Journal or Publication Title: | RTO AVT, Specialist Meeting on "Advances in Rocket Propellants Performance, Life and Disposal for Improved System Performance and Reduced Cost", Aalborg | ||||||||||||||||
| Open Access: | No | ||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||
| Editors: |
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| Status: | Published | ||||||||||||||||
| Event Title: | RTO AVT, Specialist Meeting on "Advances in Rocket Propellants Performance, Life and Disposal for Improved System Performance and Reduced Cost", Aalborg, Denmark, 23 - 26 September 2002 | ||||||||||||||||
| Organizer: | RTO, Paris | ||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport (old) | ||||||||||||||||
| HGF - Program: | Space (old) | ||||||||||||||||
| HGF - Program Themes: | W RP - Raumtransport | ||||||||||||||||
| DLR - Research area: | Space | ||||||||||||||||
| DLR - Program: | W RP - Raumtransport | ||||||||||||||||
| 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: | 06 Jan 2010 14:00 |
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