Articles with "detached eddy" as a keyword



Experiences with two detached eddy simulation approaches through use of a high‐order finite volume solver

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Published in 2020 at "International Journal for Numerical Methods in Fluids"

DOI: 10.1002/fld.4811

Abstract: In the present study, two advanced detached eddy simulation (DES) approaches, shear‐layer‐adapted delayed DES and zonal DES in mode II, which are known to help transition from RANS to LES mode, are employed in various… read more here.

Keywords: eddy simulation; detached eddy; order finite; finite volume ... See more keywords

Detached-eddy simulation of turbulent coherent structures around groynes in a trapezoidal open channel

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Published in 2019 at "Journal of Hydrodynamics"

DOI: 10.1007/s42241-019-0077-2

Abstract: The hydrodynamics in a straight open channel with a multiple-embayment groyne field was investigated using the detached-eddy simulation (DES). A series of short groynes were included on a 1:3 side slope of the channel. This… read more here.

Keywords: detached eddy; around groynes; eddy simulation; open channel ... See more keywords

Investigation of large-scale structures of annular swirling jet in a non-premixed burner using delayed detached eddy simulation

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Published in 2019 at "International Journal of Heat and Fluid Flow"

DOI: 10.1016/j.ijheatfluidflow.2019.04.007

Abstract: Abstract Delayed detached eddy simulation (DDES) is accompanied with Stereo-PIV measurements to study the non-reacting flow field of a non-premixed swirl burner in this paper. Comparisons of experimental and numerical data show that the DDES… read more here.

Keywords: burner; delayed detached; detached eddy; swirling jet ... See more keywords

Effect of parallel-jet addition on the shock train characteristics in a central-strut isolator by detached eddy simulation

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Published in 2017 at "International Journal of Heat and Mass Transfer"

DOI: 10.1016/j.ijheatmasstransfer.2017.06.074

Abstract: Abstract For the Rocket-Based Combined-Cycle (RBCC) engine, the addition of primary rocket jets makes both the flow field and the shock train structure more complicated. In this study, a three-dimensional Detached Eddy Simulation (DES) modeling… read more here.

Keywords: central strut; addition; detached eddy; shock train ... See more keywords

Adaptive detached eddy simulations of incident shock-induced separation

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Published in 2025 at "Physics of Fluids"

DOI: 10.1063/5.0246043

Abstract: The low-frequency unsteadiness associated with shock wave turbulent boundary layer interactions (STBLI) poses significant numerical challenges for Reynolds–averaged Navier–Stokes models as well as scale-resolving methods such as direct numerical simulations and large-eddy simulations and requires… read more here.

Keywords: layer; separation; detached eddy; eddy simulations ... See more keywords

Comparative assessment of large eddy simulation and detached eddy simulation in predicting aerodynamic and flow characteristics around a tall building

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Published in 2025 at "Physics of Fluids"

DOI: 10.1063/5.0289342

Abstract: This study evaluates the performance of three turbulence models—large eddy simulation (LES), delayed detached eddy simulation, and improved delayed detached eddy simulation (IDDES)—in predicting aerodynamic and flow characteristics around a tall building. Numerical results are… read more here.

Keywords: tall building; detached eddy; eddy simulation; simulation ... See more keywords
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An improved delayed detached eddy simulation study of the bogie cavity length effects on the aerodynamic performance of a high-speed train

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Published in 2020 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"

DOI: 10.1177/0954406220907631

Abstract: This paper uses an improved delayed detached eddy simulation method to investigate the unsteady flow features of the high-speed trains with various cavity lengths at Re = 1.85×106. The improved delayed detached eddy simulation results are validated… read more here.

Keywords: improved delayed; detached eddy; cavity; delayed detached ... See more keywords

Aerodynamic noise prediction of passenger vehicle with hybrid detached eddy simulation/acoustic perturbation equation method

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Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering"

DOI: 10.1177/0954407018782856

Abstract: Aerodynamic noise significantly affects the ride comfort of vehicle. A hybrid method combining detached eddy simulation and acoustic perturbation equations was used together with wind tunnel experiment to perform the aerodynamic noise investigation of a… read more here.

Keywords: vehicle hybrid; detached eddy; noise; simulation ... See more keywords

Delayed Detached-Eddy Simulations of Rough-Wall Turbulent Reactive Flows in a Supersonic Combustor

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Published in 2024 at "Journal of Propulsion and Power"

DOI: 10.2514/1.b39316

Abstract: Reactive delayed detached-eddy simulations (DDESs) of hydrogen injection into a confined transverse supersonic flow of vitiated air are conducted. The corresponding conditions were studied in the LAPCAT-II combustor, which—due to thermal coating—exhibits non-negligible wall roughness.… read more here.

Keywords: turbulent reactive; reactive flows; delayed detached; detached eddy ... See more keywords

Transitional Delayed Detached-Eddy Simulation for a Compressor Cascade: A Critical Assessment

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Published in 2024 at "Journal of Propulsion and Power"

DOI: 10.2514/1.b39344

Abstract: The accurate prediction of transitional flows is crucial for the industrial turbomachinery design process. While a Reynolds-averaged Navier–Stokes approach inherently brings conceptual weaknesses, large-eddy simulation will still be too expensive in the near future to… read more here.

Keywords: compressor cascade; delayed detached; detached eddy; eddy simulation ... See more keywords
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Detached-Eddy Simulation of a Supersonic Reattaching Shear Layer

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Published in 2017 at "AIAA Journal"

DOI: 10.2514/1.j056103

Abstract: A numerical investigation of low-frequency unsteadiness in a Mach 2.9 turbulent, reattaching shear layer was carried out with delayed detached-eddy simulation. The results were compared to data fro... read more here.

Keywords: shear layer; reattaching shear; eddy simulation; detached eddy ... See more keywords