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Four dimensional visualization of highly transient fuel sprays by microsecond quantitative x-ray tomography

Appl. Phys. Lett. 94, 084101 (2009); doi:10.1063/1.3048563

Published 23 February 2009

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Xin Liu,1 Kyoung-Su Im,1 Yujie Wang,1 Jin Wang,1 Mark W. Tate,2 Alper Ercan,2 Daniel R. Schuette,2 and Sol M. Gruner2
1Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA
2Cornell University, Ithaca, New York 14853, USA
An ultrafast x-ray microtomography technique based on synchrotron x rays and a fast-framing x-ray detector was developed to reconstruct the highly transient sprays in four dimensions with microsecond-temporal resolution in the near-nozzle region. The time-resolved quantitative fuel distribution allowed a realistic numerical fluid dynamic simulation with initial conditions based on the measurement, which demonstrates that the fuel has completed the primary breakup upon exiting the nozzle. The secondary-breakup-based simulation agrees well with the experimental fuel-volume fraction distribution, which challenges most existing simulation assumptions and results. ©2009 American Institute of Physics
History: Received 4 September 2008; accepted 19 November 2008; published 23 February 2009
Permalink: http://link.aip.org/link/?APPLAB/94/084101/1
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EPAPS

KEYWORDS and PACS

Keywords
PACS
  • 47.80.Jk
    Flow visualization and imaging
  • 47.57.-s
    Complex fluids and colloidal systems (fluid dynamics)
  • 47.60.Kz
    Flows and jets through nozzles
  • 47.11.-j
    Computational methods in fluid dynamics
  • YEAR: 2009

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (23)
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