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A Fundamental Approach to Modeling Transport to an Impinging Spray

[+] Author Affiliations
Andrea C. Ashwood, Benjamin M. Regner, Timothy A. Shedd

University of Wisconsin - Madison, Madison, WI

Curtis Lane

Georgia-Pacific Corporation

Paper No. IPACK2007-33898, pp. 267-272; 6 pages
doi:10.1115/IPACK2007-33898
From:
  • ASME 2007 InterPACK Conference collocated with the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference
  • ASME 2007 InterPACK Conference, Volume 1
  • Vancouver, British Columbia, Canada, July 8–12, 2007
  • Conference Sponsors: Electronic and Photonic Packaging Division
  • ISBN: 0-7918-4277-0 | eISBN: 0-7918-3801-3
  • Copyright © 2007 by ASME

abstract

This work presents an integrated approach to the modeling of the liquid film resulting from spray impingement. First, fundamental, micro-scale behaviors within the liquid film are investigated with a CFD simulation using a volume-of-fluid model. The mean velocity profile in the liquid film created by a stream of impacting droplets in this simulation are extracted and non-dimensionalized, and then used in the integral conservation equations for mass and momentum in the liquid film to create a 1-D numerical model of the system. An experiment is designed to obtain mean shear stress due to impinging sprays/jets, and the results are compared with the numerical model. Excellent agreement is observed using just one fitting parameter in the numerical model, and this fitting parameter appears to take on physically relevant values.

Copyright © 2007 by ASME
Topics: Modeling , Sprays

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