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Research on blade tip clearance cavitation and turbulent kinetic energy characteristics of axial flow pump based on the partially-averaged Navier-Stokes model
To reveal the cavitation forms of tip leakage vortex (TLV) of the axial flow pump and the flow mechanism of the flow field, this research adopts the...
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A Priori Direct Numerical Simulation Assessment of MILD Combustion Modelling in the Context of Reynolds Averaged Navier–Stokes Simulations
A priori Direct Numerical Simulation (DNS) assessment of mean reaction rate closures for reaction progress variable in the context of Reynolds...
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POD-Galerkin reduced order models and physics-informed neural networks for solving inverse problems for the Navier–Stokes equations
We present a Reduced Order Model (ROM) which exploits recent developments in Physics Informed Neural Networks (PINNs) for solving inverse problems...
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Shear Driven Flow in a Cavity Partially Filled with Porous Material
We simulate shear driven flow in a two-dimensional square cavity partially filled with porous material. Using pseudo-fluid approach, flow behavior in...
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A study on a partially-open bogie fairing to improve anti-snow performance of a high-speed train
The concept of a partially-open bogie fairing has been proposed to attenuate snow accretion on bogies as well as to reduce the aerodynamic drag for...
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Applications of An Eddy-Viscosity Eliminator Based on Sigmoid Functions in Reynolds-Averaged Navier-Stokes Simulations of Sloshing Flow
Reynolds-averaged Navier-Stokes (RANS) turbulence modeling can lead to the excessive turbulence level around the interface in two-phase flow, which...
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Numerical simulation of turbulent flow over a backward facing step using partially averaged Navier-Stokes method
This paper presents some key features of partially averaged Navier-Stokes (PANS) method in the simulation of turbulent flow over a backward facing...
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Modelling of a turbulent lean premixed combustor using a Reynolds-averaged Navier–Stokes approach
This work aims to characterize lean premixed turbulent swirling flames representative of gas turbines and jet engines via a numerical study of flame...
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Stirred tank simulation using Partially-Averaged Navier-Stokes \(k_u-\epsilon _u\) turbulence model
In the present study, simulation of a stirred tank using axial flow impeller has been studied numerically to see the behaviour of flow variables in...
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Numerical investigation of the effect of wedge-type cavitating-bubble generator on attached unsteady cavitating flows using proper orthogonal decomposition method
The objective of this work is to reveal the effect of a passive control method called wedge-type cavitating-bubble generator (WCG) on the cloud...
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Investigation on cavitating turbulent flow for the twisted NACA66 hydrofoil using a PANS model with helicity modification
In the present paper, the unsteady cavitating turbulent flow over the twisted NACA66 hydrofoil is investigated based on an modified shear stress...
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Computation method and control strategy of rotating separation flows in hydraulic machinery
Rotating separation flow (RSF) in hydraulic machinery is characterized by the large flow separations and complex vortical structures induced by the...
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Construction of Modern Robust Nodal Discontinuous Galerkin Spectral Element Methods for the Compressible Navier–Stokes Equations
Discontinuous Galerkin (DG) methodsCompressible Navier–Stokes equations, compressible flow haveSpectral element method a long history in...
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Effect of Submergence Depth on Tandem Hydrofoils at a Small Angle of Attack: A Hydrodynamic Analysis
Hydrofoils are imperative in many practical design aspects of hydrokinetic turbines, high-speed marine crafts, and in many more applications. So, it...
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Introduction
To facilitate readers who are not familiar with computational fluid dynamics (CFD) methods understand the basic knowledge adopted in this book, we...
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Numerical study on the combustion process in a gas turbine combustor with different reference velocities
The mixing and combustion processes under different reference velocities in a gas turbine combustor were numerically investigated using the Flamelet...
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On flowing soap films as experimental models of 2D Navier–Stokes flows
AbstractWe show the validity of using a flowing soap film system as a two-dimensional laboratory model of flow past a circular cylinder at low...
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A CFD study on the hydrodynamic response of a small-scale ice floe induced by a passing ship
A Reynolds averaged Navier-Stokes (RANS) computational fluid dynamics (CFD) model is built to investigate the hydrodynamic response of a circular ice...
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Preliminary CFD Validation of Unsteady Onflow Effects on Model Train Drag
The DLR New Generation Train Cargo concept (NGT-Cargo) aims to increase the rail share of the European freight traffic market. Computational Fluid...
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A modified method considering vortex effect for modelling unsteady cavitating flows
The objective of this study is to propose a modified method for the cavitation model and turbulence model, accounting for the influence of vortex...
