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Hybrid RANS/LES of plane impinging jets on a flat plate at small nozzle-plate distances

Slawomir Kubacki UGent, Jacek Rokicki, Erik Dick UGent, Joris Degroote UGent and Jan Vierendeels UGent (2012) 20th Fluid Mechanics Conference, Proceedings.
abstract
A k-ω based hybrid RANS/LES (Reynolds Averaged Navier Stokes/Large Eddy Simulation) model is tested for simulation of plane impinging jets at various nozzle-plate distances (H/B, where H is the distance and B is the slot width) and various Reynolds numbers (based on the slot width and the velocity in the symmetry plane). The studied combinations are H/B=2 for Re=10000, H/B=4 for Re=18000 and H/B=9.2 for Re=20000. The focus is on small distance of the nozzle exit to the plate. This means for impact of the jet onto the plate before complete mixing of the shear layers. The centre of the impact zone is then in laminar state and the developing boundary layer on the plate undergoes transition to turbulent state. The transitional flow cannot be correctly simulated with a RANS turbulence model, but we will demonstrate that a hybrid model is basically correct.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
keyword
turbulence modelling, hybrid RANS/LES, Plane impinging jets
in
20th Fluid Mechanics Conference, Proceedings
editor
Tadeusz Chmielniak and Wlodzimierz Wroblewski
pages
17 pages
publisher
Silesian University of Technology
place of publication
Gliwice, Poland
conference name
XX Fluid Mechanics Conference (KKMP - 2012)
conference location
Gliwice, Poland
conference start
2012-09-17
conference end
2012-09-20
ISBN
9788392734086
language
English
UGent publication?
yes
classification
C1
copyright statement
I have transferred the copyright for this publication to the publisher
id
3009437
handle
http://hdl.handle.net/1854/LU-3009437
date created
2012-10-09 10:06:12
date last changed
2012-10-12 11:01:55
@inproceedings{3009437,
  abstract     = {A k-\ensuremath{\omega} based hybrid RANS/LES (Reynolds Averaged Navier Stokes/Large Eddy Simulation) model is tested for simulation of plane impinging jets at various nozzle-plate distances (H/B, where H is the distance and B is the slot width) and various Reynolds numbers (based on the slot width and the velocity in the symmetry plane). The studied combinations are H/B=2 for Re=10000, H/B=4 for Re=18000 and H/B=9.2 for Re=20000. The focus is on small distance of the nozzle exit to the plate. This means for impact of the jet onto the plate before complete mixing of the shear layers. The centre of the impact zone is then in laminar state and the developing boundary layer on the plate undergoes transition to turbulent state. The transitional flow cannot be correctly simulated with a RANS turbulence model, but we will demonstrate that a hybrid model is basically correct.},
  author       = {Kubacki, Slawomir and Rokicki, Jacek and Dick, Erik and Degroote, Joris and Vierendeels, Jan},
  booktitle    = {20th Fluid Mechanics Conference, Proceedings},
  editor       = {Chmielniak, Tadeusz and Wroblewski, Wlodzimierz},
  isbn         = {9788392734086},
  keyword      = {turbulence modelling,hybrid RANS/LES,Plane impinging jets},
  language     = {eng},
  location     = {Gliwice, Poland},
  pages        = {17},
  publisher    = {Silesian University of Technology},
  title        = {Hybrid RANS/LES of plane impinging jets on a flat plate at small nozzle-plate distances},
  year         = {2012},
}

Chicago
Kubacki, Slawomir, Jacek Rokicki, Erik Dick, Joris Degroote, and Jan Vierendeels. 2012. “Hybrid RANS/LES of Plane Impinging Jets on a Flat Plate at Small Nozzle-plate Distances.” In 20th Fluid Mechanics Conference, Proceedings, ed. Tadeusz Chmielniak and Wlodzimierz Wroblewski. Gliwice, Poland: Silesian University of Technology.
APA
Kubacki, S., Rokicki, J., Dick, E., Degroote, J., & Vierendeels, J. (2012). Hybrid RANS/LES of plane impinging jets on a flat plate at small nozzle-plate distances. In T. Chmielniak & W. Wroblewski (Eds.), 20th Fluid Mechanics Conference, Proceedings. Presented at the XX Fluid Mechanics Conference (KKMP - 2012), Gliwice, Poland: Silesian University of Technology.
Vancouver
1.
Kubacki S, Rokicki J, Dick E, Degroote J, Vierendeels J. Hybrid RANS/LES of plane impinging jets on a flat plate at small nozzle-plate distances. In: Chmielniak T, Wroblewski W, editors. 20th Fluid Mechanics Conference, Proceedings. Gliwice, Poland: Silesian University of Technology; 2012.
MLA
Kubacki, Slawomir, Jacek Rokicki, Erik Dick, et al. “Hybrid RANS/LES of Plane Impinging Jets on a Flat Plate at Small Nozzle-plate Distances.” 20th Fluid Mechanics Conference, Proceedings. Ed. Tadeusz Chmielniak & Wlodzimierz Wroblewski. Gliwice, Poland: Silesian University of Technology, 2012. Print.