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雾化与喷雾
影响因子: 1.737 5年影响因子: 1.518 SJR: 0.814 SNIP: 1.18 CiteScore™: 2.2

ISSN 打印: 1044-5110
ISSN 在线: 1936-2684

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雾化与喷雾

DOI: 10.1615/AtomizSpr.2011003457
pages 521-535

MEASUREMENT OF INITIAL CONDITIONS OF A KEROSENE SPRAY FROM A GENERIC AEROENGINE INJECTOR AT ELEVATED PRESSURE

Stefan Freitag
German Aerospace Center−DLR, Institute of Propulsion Technology, Linder Hohe, 51147 Cologne, Germany
U. Meier
German Aerospace Center−DLR, Institute of Propulsion Technology, Linder Hohe, 51147 Cologne, Germany
Johannes Heinze
German Aerospace Center−DLR, Institute of Propulsion Technology, Linder Hohe, 51147 Cologne, Germany
Thomas Behrendt
Institute of Propulsion Technology, German Aerospace Center, Linder Hohe, 51147 Koln, Germany
Christoph Hassa
German Aerospace Center−DLR, Institute of Propulsion Technology, Linder Hohe, 51147 Cologne, Germany

ABSTRACT

Ab initio prediction of aeroengine sprays at realistic conditions is currently not feasible and will remain so for a significant time to come. As a partial solution to the problem, experimental data are generated to validate advanced combustion codes. For that purpose a generic injector was built and operated in an optical single sector combustor. Phase Doppler anemometry and Mie scattering were used. The in-house algorithm for the calculation of volume flux was modified to suit the experimental setup. Measurements were performed at 4 and 10 bars. Good volume flux density results can be obtained within the lift-off distance of the flame.


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