Flow over three different trailing-edge geometries is studied using incompressible detached-eddy simulation and unsteady Reynolds-averaged Navier Stokes CFD methods. Of interest is the ability of DES, coupled with localized overset–grid refinement, to resolve the proper physics of separated flows from trailing edges—trailing-edge turbulence and vortex shedding, in particular. The DES model is shown to provide a good qualitative description of the trailing-edge flow. However, the modeled separations are overly energetic due to premature separation related to artificially low turbulence levels from upstream. The transition from RANS to DES is isolated as an issue. The simulated physics of the wake are shown to be in agreement with other LES studies: the model produces the “rib/roller” structures representing the first instability modes, horseshoe vortices are observed, and in regions of high resolution, small scales are formed, as expected. The turbulence statistics are qualitatively similar to benchmark data near the trailing edge and in the near wake, however, quantitative comparisons of urms show an over prediction in magnitude of 50–100%. Despite this, the results are promising, and future modeling efforts have been motivated and identified.
Skip Nav Destination
ASME 2004 Heat Transfer/Fluids Engineering Summer Conference
July 11–15, 2004
Charlotte, North Carolina, USA
Conference Sponsors:
- Heat Transfer Division and Fluids Engineering Division
ISBN:
0-7918-4691-1
PROCEEDINGS PAPER
Detached-Eddy Simulation of High Reynolds Number Beveled-Trailing-Edge Flows and Wakes Available to Purchase
Eric G. Paterson,
Eric G. Paterson
Pennsylvania State University, State College, PA
Search for other works by this author on:
Leonard J. Peltier
Leonard J. Peltier
Pennsylvania State University, State College, PA
Search for other works by this author on:
Eric G. Paterson
Pennsylvania State University, State College, PA
Leonard J. Peltier
Pennsylvania State University, State College, PA
Paper No:
HT-FED2004-56501, pp. 977-987; 11 pages
Published Online:
February 24, 2009
Citation
Paterson, EG, & Peltier, LJ. "Detached-Eddy Simulation of High Reynolds Number Beveled-Trailing-Edge Flows and Wakes." Proceedings of the ASME 2004 Heat Transfer/Fluids Engineering Summer Conference. Volume 2, Parts A and B. Charlotte, North Carolina, USA. July 11–15, 2004. pp. 977-987. ASME. https://doi.org/10.1115/HT-FED2004-56501
Download citation file:
10
Views
Related Proceedings Papers
Related Articles
Detached-Eddy Simulation of High-Reynolds-Number Beveled-Trailing-Edge Boundary Layers and Wakes
J. Fluids Eng (September,2005)
Detached Eddy Simulation of Atmospheric Flow About a Surface Mounted Cube at High Reynolds Number
J. Fluids Eng (March,2011)
Radial Deformation Frequency Effect on the Three-Dimensional Flow in the Cylinder Wake
J. Fluids Eng (January,2015)
Related Chapters
Cavitating Structures at Inception in Turbulent Shear Flow
Proceedings of the 10th International Symposium on Cavitation (CAV2018)
Vortex-Induced Vibration
Flow Induced Vibration of Power and Process Plant Components: A Practical Workbook
Computational Modeling of Dynamic Planing Forces
Proceedings of the 10th International Symposium on Cavitation (CAV2018)