Large-eddy simulation analysis of mechanisms for viscous losses in a turbomachinery tip-clearance flow

DOI10.1017/S0022112007006842zbMath1123.76025OpenAlexW2153002807MaRDI QIDQ5308044

Rajat Mittal, Donghyun You, Meng Wang, Parviz Moin

Publication date: 26 September 2007

Published in: Journal of Fluid Mechanics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/s0022112007006842

zbMATH Keywords

tip-leakage vortexmean velocity gradients

Mathematics Subject Classification ID

Direct numerical and large eddy simulation of turbulence (76F65)

Related Items (15)

Immersed Boundary Projection Methods ⋮ Prediction of the unsteady turbulent flow in an axial compressor stage. I: Comparison of unsteady RANS and LES with experiments ⋮ Numerical Investigation of Different Tip Clearances Effect on the Hydrodynamic Performance of Pumpjet Propulsor ⋮ Large eddy simulations in mixed-flow pumps using an immersed-boundary method ⋮ RANS computations of a confined cavitating tip-leakage vortex ⋮ A finite element overlapping scheme for turbomachinery flows on parallel platforms. ⋮ Large eddy simulation of a controlled diffusion compressor cascade ⋮ Predictions of round impinging jet heat transfer with two k‐ω hybrid RANS/LES models ⋮ Analysis of tip-leakage flow in an axial fan at varying tip-gap sizes and operating conditions ⋮ Large eddy simulation of the tip-leakage cavitating flow with an insight on how cavitation influences vorticity and turbulence ⋮ Turbulence modelling analysis in a corner separation flow ⋮ On the numerical simulation of a confined cavitating tip leakage vortex under geometrical and operational uncertainties ⋮ Sound generation by turbulent boundary-layer flow over small steps ⋮ Analysis of stability and accuracy of finite-difference schemes on a skewed mesh ⋮ An overset grid method for large eddy simulation of turbomachinery stages

Cites Work

• Generation of turbulent inflow data for spatially-developing boundary layer simulations
• Combined immersed-boundary finite-difference methods for three-dimensional complex flow simulations
• Analysis of stability and accuracy of finite-difference schemes on a skewed mesh
• A Lagrangian dynamic subgrid-scale model of turbulence
• On the identification of a vortex

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