Large-eddy simulation of Taylor-Couette flow at relatively high reynolds numbers

D. I. Pullin; Wan Cheng; Ravi Samtaney

Large-eddy simulation of Taylor-Couette flow at relatively high reynolds numbers

D. I. Pullin, Wan Cheng, Ravi Samtaney

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We discuss large-eddy simulations (LES) of the incompressible Navier-Stokes equations for Taylor-Couette flow. The ratio of the two co-axial cylinder diameters is η = ri/ro = 0.909 with ri the inner cylinder radius and ro the outer radius. The outer cylinder is stationary while the inner cylinder rotates with constant angular velocity ωi. Subgrid stresses are represented using the stretched-vortex model (SVM) where the subgrid motion is modeled by subgrid vortices undergoing stretching by the local resolved-scale velocity- gradient field. We report wall-resolved LES at Rei = driωi/ν up to Rei = 106 with ν the kinematic viscosity of the Newtonian fluid and d = ro − ri the cylinder gap. The present study focuses on the wall-turbulence behavior at relatively high Rei. Comparisons are made with direct numerical simulations (DNS) and with experimental results.

Original language	English (US)
Title of host publication	11th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2019
Publisher	International Symposium on Turbulence and Shear Flow Phenomena, TSFP
State	Published - Jan 1 2019

Bibliographical note

KAUST Repository Item: Exported on 2020-10-09
Acknowledgements: The Cray XC40 Shaheen at KAUST was used for all simulations reported.

Cite this

@inproceedings{5aebaa3fbcdc4c92b70a0df9d0031b89,

title = "Large-eddy simulation of Taylor-Couette flow at relatively high reynolds numbers",

abstract = "We discuss large-eddy simulations (LES) of the incompressible Navier-Stokes equations for Taylor-Couette flow. The ratio of the two co-axial cylinder diameters is η = ri/ro = 0.909 with ri the inner cylinder radius and ro the outer radius. The outer cylinder is stationary while the inner cylinder rotates with constant angular velocity ωi. Subgrid stresses are represented using the stretched-vortex model (SVM) where the subgrid motion is modeled by subgrid vortices undergoing stretching by the local resolved-scale velocity- gradient field. We report wall-resolved LES at Rei = driωi/ν up to Rei = 106 with ν the kinematic viscosity of the Newtonian fluid and d = ro − ri the cylinder gap. The present study focuses on the wall-turbulence behavior at relatively high Rei. Comparisons are made with direct numerical simulations (DNS) and with experimental results.",

author = "Pullin, {D. I.} and Wan Cheng and Ravi Samtaney",

note = "KAUST Repository Item: Exported on 2020-10-09 Acknowledgements: The Cray XC40 Shaheen at KAUST was used for all simulations reported.",

year = "2019",

month = jan,

day = "1",

language = "English (US)",

booktitle = "11th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2019",

publisher = "International Symposium on Turbulence and Shear Flow Phenomena, TSFP",

}

Large-eddy simulation of Taylor-Couette flow at relatively high reynolds numbers. / Pullin, D. I.; Cheng, Wan; Samtaney, Ravi.
11th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2019. International Symposium on Turbulence and Shear Flow Phenomena, TSFP, 2019.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - Large-eddy simulation of Taylor-Couette flow at relatively high reynolds numbers

AU - Pullin, D. I.

AU - Cheng, Wan

AU - Samtaney, Ravi

N1 - KAUST Repository Item: Exported on 2020-10-09 Acknowledgements: The Cray XC40 Shaheen at KAUST was used for all simulations reported.

PY - 2019/1/1

Y1 - 2019/1/1

N2 - We discuss large-eddy simulations (LES) of the incompressible Navier-Stokes equations for Taylor-Couette flow. The ratio of the two co-axial cylinder diameters is η = ri/ro = 0.909 with ri the inner cylinder radius and ro the outer radius. The outer cylinder is stationary while the inner cylinder rotates with constant angular velocity ωi. Subgrid stresses are represented using the stretched-vortex model (SVM) where the subgrid motion is modeled by subgrid vortices undergoing stretching by the local resolved-scale velocity- gradient field. We report wall-resolved LES at Rei = driωi/ν up to Rei = 106 with ν the kinematic viscosity of the Newtonian fluid and d = ro − ri the cylinder gap. The present study focuses on the wall-turbulence behavior at relatively high Rei. Comparisons are made with direct numerical simulations (DNS) and with experimental results.

AB - We discuss large-eddy simulations (LES) of the incompressible Navier-Stokes equations for Taylor-Couette flow. The ratio of the two co-axial cylinder diameters is η = ri/ro = 0.909 with ri the inner cylinder radius and ro the outer radius. The outer cylinder is stationary while the inner cylinder rotates with constant angular velocity ωi. Subgrid stresses are represented using the stretched-vortex model (SVM) where the subgrid motion is modeled by subgrid vortices undergoing stretching by the local resolved-scale velocity- gradient field. We report wall-resolved LES at Rei = driωi/ν up to Rei = 106 with ν the kinematic viscosity of the Newtonian fluid and d = ro − ri the cylinder gap. The present study focuses on the wall-turbulence behavior at relatively high Rei. Comparisons are made with direct numerical simulations (DNS) and with experimental results.

UR - http://hdl.handle.net/10754/665511

UR - http://www.tsfp-conference.org/proceedings/2019/120.pdf

UR - http://www.scopus.com/inward/record.url?scp=85084019197&partnerID=8YFLogxK

M3 - Conference contribution

BT - 11th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2019

PB - International Symposium on Turbulence and Shear Flow Phenomena, TSFP

ER -

Large-eddy simulation of Taylor-Couette flow at relatively high reynolds numbers

Abstract

Bibliographical note

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