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Atomization and Sprays
Fator do impacto: 1.737 FI de cinco anos: 1.518 SJR: 0.814 SNIP: 1.18 CiteScore™: 2.2

ISSN Imprimir: 1044-5110
ISSN On-line: 1936-2684

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Atomization and Sprays

DOI: 10.1615/AtomizSpr.2013008642
pages 251-272

TIME-RESOLVED X-RAY RADIOGRAPHY OF SPRAYS FROM ENGINE COMBUSTION NETWORK SPRAY A DIESEL INJECTORS

Alan L. Kastengren
X-Ray Science Division, Advanced Photon Source, Argonne National Laboratory, Lemont, Illinois 60439, USA
F. Zak Tilocco
Energy Systems Division, Argonne National Laboratory, Argonne, Illinois 60439 USA
Daniel Duke
Argonne National Laboratory; Department of Mechanical and Aerospace Engineering, Monash University, Clayton VIC 3800, Australia
Christopher F. Powell
Energy Systems Division, Argonne National Laboratory, Lemont, Illinois 60439, USA
Xusheng Zhang
Advanced Photon Source, Argonne National Laboratory, Argonne, USA; Merchant Marine College, Shanghai Maritime University, Shanghai, China
Seoksu Moon
Department of Mechanical Engineering, Inha University

RESUMO

A significant hurdle to the understanding of sprays is the link between nozzle geometry and the fluid distribution in the spray. X-ray radiography can help to clarify this link by providing quantitative measurements of the spray density in the near-nozzle region, including at the exit plane. The current work describes x-ray radiography measurements performed at Argonne National Laboratory under the "Spray A" conditions of the Engine Combustion Network. Four injector samples have been studied, and model-dependent reconstructions have been used to generate 3D maps of the average fuel density as a function of time. These measurements reveal differences between the sprays from nominally identical injectors that can be interpreted in terms of previously measured geometric differences in the injector nozzles.


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