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Modeling Wall Film Formation and Breakup Using an Integrated Interface-Tracking/ Discrete-Phase Approach

[+] Author Affiliations
M. Arienti, L. Wang, M. Corn, X. Li, M. C. Soteriou

United Technologies Research Center, East Hartford, CT

T. A. Shedd

University of Wisconsin, Madison, WI

M. Herrmann

Arizona State University, Tempe, AZ

Paper No. GT2010-23381, pp. 1059-1068; 10 pages
  • ASME Turbo Expo 2010: Power for Land, Sea, and Air
  • Volume 2: Combustion, Fuels and Emissions, Parts A and B
  • Glasgow, UK, June 14–18, 2010
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4397-0 | eISBN: 978-0-7918-3872-3
  • Copyright © 2010 by ASME and United Technologies Research Center


We propose a computationally tractable model for film formation and breakup based on data from experiments and direct numerical simulations. This work is a natural continuation of previous studies where primary atomization is modeled based on local flow information from a relatively low-resolution tracking of the liquid interface [1]. Sub-models for film formation are supported by direct numerical simulations obtained with the Refined Level Set Grid (RLSG) method [2]. The overall approach is validated by a carefully designed experiment [3], where the liquid jet is cross flow-atomized in a rectangular channel so that a film forms on the wall opposite to the injection orifice. The film eventually breaks up at the downstream exit of the channel. Comparisons with Phase Doppler Particle Analyzer (PDPA) data and with non-intrusive film thickness point measurements complete this study.

Copyright © 2010 by ASME and United Technologies Research Center



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