Model validation image data for breakup of a liquid jet in crossflow: part I

David Sedarsky, Megan Paciaroni, Edouard Berrocal, Per Petterson, Joseph Zelina, James Gord, Mark Linne

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Abstract

We have applied three different imaging diagnostics: particle imaging velocimetry, high-speed shadowgraphy, and ballistic imaging, to observe the breakup of a liquid jet in a crossflow of air under a variety of conditions. The experimental system was designed to provide well-controlled conditions with minimal amounts of turbulence in the liquid jet and the gaseous crossflow. A variety of Weber numbers and momentum flux ratios were studied in order to provide a sizable data set for the validation of computational models. This paper briefly describes the three spray imaging techniques, outlines the results obtained to-date, and tabulates image statistics for each of ten spray conditions at varying distances from the spray nozzle orifice. The end result is a first installment in what will become a comprehensive model validation data set for jets in crossflow for use by computational fluid dynamics modelers.
Original languageEnglish
Pages (from-to)391-408
JournalExperiments in Fluids
Volume49
Issue number2
DOIs
Publication statusPublished - 2010

Subject classification (UKÄ)

  • Atom and Molecular Physics and Optics

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