[HTML][HTML] Drag reduction and the dynamics of turbulence in simple and complex fluids

MD Graham - Physics of Fluids, 2014 - pubs.aip.org
Addition of a small amount of very large polymer molecules or micelle-forming surfactants to
a liquid can dramatically reduce the energy dissipation it exhibits in the turbulent flow …

Influence of rheological parameters on polymer induced turbulent drag reduction

CF Li, R Sureshkumar, B Khomami - Journal of Non-Newtonian Fluid …, 2006 - Elsevier
Direct numerical simulations (DNS) of polymer induced drag reduction in turbulent channel
flows up to the maximum drag reduction (MDR) limit have been performed using a fully …

The Oldroyd-B fluid in elastic instabilities, turbulence and particle suspensions

ESG Shaqfeh, B Khomami - Journal of Non-Newtonian Fluid Mechanics, 2021 - Elsevier
The Oldroyd-B fluid has become the starting point for almost all complex flow calculations
and analysis involving the behavior of dilute polymer solutions. The reasons for this are …

[图书][B] Mathematical modeling for complex fluids and flows

M Deville, TB Gatski - 2012 - books.google.com
Mathematical Modeling for Complex Fluids and Flows provides researchers and
engineering practitioners encountering fluid flows with state-of-the-art knowledge in …

CFD simulation of drag-reducing fluids in a non-Newtonian turbulent pipe flow

M Niazi, SN Ashrafizadeh, SH Hashemabadi… - Chemical Engineering …, 2024 - Elsevier
The conveyance of fluids from one terminal to another incurs considerable expenses
primarily due to the significant costs associated with addressing pressure losses arising from …

Turbulent flow of viscoelastic shear-thinning liquids through a rectangular duct: Quantification of turbulence anisotropy

MP Escudier, AK Nickson, RJ Poole - Journal of non-newtonian fluid …, 2009 - Elsevier
We report laser Doppler anemometry (LDA) measurements of mean velocity and turbulence
structure for fully-developed turbulent flow through a rectangular duct of aqueous solutions …

Reynolds-averaged modeling of polymer drag reduction in turbulent flows

G Iaccarino, ESG Shaqfeh, Y Dubief - Journal of Non-Newtonian Fluid …, 2010 - Elsevier
A novel eddy viscosity model for predicting friction drag reduction induced by polymers in
turbulent wall-bounded flows is presented. The approach is based on the elliptic relaxation …

An improved viscoelastic k-ε-v2-f turbulence model for intermediate and high drag reduction regimes

K Song, G Jin, T Ye, Z Liu - Physics of Fluids, 2024 - pubs.aip.org
In this work, an improved anisotropic k-ε-v 2-f model based on the finite extensible nonlinear
elastic model with the Peterlin approximation for viscoelastic channel flows is proposed. This …

A low Reynolds number turbulence closure for viscoelastic fluids

FT Pinho, CF Li, BA Younis, R Sureshkumar - Journal of Non-Newtonian …, 2008 - Elsevier
A Reynolds-averaged Navier–Stokes equation framework is developed for modeling
polymer-induced turbulent drag reduction by utilizing the finitely extensible nonlinear elastic …

A FENE-P k–ε turbulence model for low and intermediate regimes of polymer-induced drag reduction

PR Resende, K Kim, BA Younis, R Sureshkumar… - Journal of Non …, 2011 - Elsevier
A new low-Reynolds-number k–ε turbulence model is developed for flows of viscoelastic
fluids described by the finitely extensible nonlinear elastic rheological constitutive equation …