Simulation of Wingtip Vortex Flows with Reynolds-Averaged Navier–Stokes and Scale-Resolving Simulation Methods
Abstract
The simulation of wingtip vortex flows is reported on with Reynolds-averaged Navier–Stokes (RANS) equations and scale-resolving simulation (SRS) models. These range from turbulent viscosity and Reynolds-stress model (RSM) RANS closures, to hybrid and bridging SRS methods. The aim of the study was threefold: assess the relevance of replicating the experimental flow conditions, evaluate the numerical requisites of each mathematical model, and determine their modeling accuracy in prediction of a representative wingtip vortex flow. The selected problem is the flow around a NACA 0012 wing at 10 deg of angle of attack and Reynolds number of 4.60×106. The results confirm the relevance of reproducing the experimental flow conditions, in particular at the inlet boundary where the flow is not uniform. For this reason, the evaluation of modeling errors using the available measurements requires the specification of the experimental inlet conditions. On the other hand, the quantification of the modeling error indicates that solely RANS–RSM can achieve an accurate representation of the flow dynamics. Whereas the well-recognized limitations of turbulent viscosity RANS closures to deal with solid-body rotation lead to the overprediction of turbulence and consequent rapid diffusion of the wingtip vortex, the predictive use of SRS methods may reveal excessively complexmore »
- Authors:
-
- Higher Technical Inst., Lisbon (Portugal); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Higher Technical Inst., Lisbon (Portugal)
- Maritime Research Inst. Netherlands, Wageningen (Netherlands)
- Publication Date:
- Research Org.:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation; Maritime Research Institute Netherlands; Laboratory for Advanced Computing at the University of Coimbra
- OSTI Identifier:
- 1529537
- Report Number(s):
- LA-UR-18-28644
Journal ID: ISSN 0001-1452
- Grant/Contract Number:
- 89233218CNA000001
- Resource Type:
- Accepted Manuscript
- Journal Name:
- AIAA Journal
- Additional Journal Information:
- Journal Volume: 57; Journal Issue: 3; Journal ID: ISSN 0001-1452
- Publisher:
- AIAA
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING
Citation Formats
Pereira, Filipe S., Eça, Luís, and Vaz, Guilherme. Simulation of Wingtip Vortex Flows with Reynolds-Averaged Navier–Stokes and Scale-Resolving Simulation Methods. United States: N. p., 2019.
Web. doi:10.2514/1.J057512.
Pereira, Filipe S., Eça, Luís, & Vaz, Guilherme. Simulation of Wingtip Vortex Flows with Reynolds-Averaged Navier–Stokes and Scale-Resolving Simulation Methods. United States. https://doi.org/10.2514/1.J057512
Pereira, Filipe S., Eça, Luís, and Vaz, Guilherme. Fri .
"Simulation of Wingtip Vortex Flows with Reynolds-Averaged Navier–Stokes and Scale-Resolving Simulation Methods". United States. https://doi.org/10.2514/1.J057512. https://www.osti.gov/servlets/purl/1529537.
@article{osti_1529537,
title = {Simulation of Wingtip Vortex Flows with Reynolds-Averaged Navier–Stokes and Scale-Resolving Simulation Methods},
author = {Pereira, Filipe S. and Eça, Luís and Vaz, Guilherme},
abstractNote = {The simulation of wingtip vortex flows is reported on with Reynolds-averaged Navier–Stokes (RANS) equations and scale-resolving simulation (SRS) models. These range from turbulent viscosity and Reynolds-stress model (RSM) RANS closures, to hybrid and bridging SRS methods. The aim of the study was threefold: assess the relevance of replicating the experimental flow conditions, evaluate the numerical requisites of each mathematical model, and determine their modeling accuracy in prediction of a representative wingtip vortex flow. The selected problem is the flow around a NACA 0012 wing at 10 deg of angle of attack and Reynolds number of 4.60×106. The results confirm the relevance of reproducing the experimental flow conditions, in particular at the inlet boundary where the flow is not uniform. For this reason, the evaluation of modeling errors using the available measurements requires the specification of the experimental inlet conditions. On the other hand, the quantification of the modeling error indicates that solely RANS–RSM can achieve an accurate representation of the flow dynamics. Whereas the well-recognized limitations of turbulent viscosity RANS closures to deal with solid-body rotation lead to the overprediction of turbulence and consequent rapid diffusion of the wingtip vortex, the predictive use of SRS methods may reveal excessively complex and demanding.},
doi = {10.2514/1.J057512},
journal = {AIAA Journal},
number = 3,
volume = 57,
place = {United States},
year = {Fri Jan 11 00:00:00 EST 2019},
month = {Fri Jan 11 00:00:00 EST 2019}
}
Web of Science
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