Roles of drag reducing polymers in single-and multi-phase flows

A Abubakar, T Al-Wahaibi, Y Al-Wahaibi… - … research and design, 2014 - Elsevier
It has become a well-known fact that finding sustainable solutions to the unavoidable high
pressure losses accompanying pipeline flows to increase the pumping capacity without …

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 …

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 …

Turbulent duct flow with polymers

A Shahmardi, S Zade, MN Ardekani… - Journal of Fluid …, 2019 - cambridge.org
We have performed direct numerical simulation of the turbulent flow of a polymer solution in
a square duct, with the FENE-P model used to simulate the presence of polymers. First, a …

A viscoelastic k-ε-v2-f turbulent flow model valid up to the maximum drag reduction limit

M Masoudian, K Kim, FT Pinho… - Journal of Non-Newtonian …, 2013 - Elsevier
A tensorially consistent near-wall four equation model is developed to model turbulent flow
of dilute polymer solutions. The model is validated up to the maximum drag reduction limit …

Novel k-ω Turbulent Model for Prediction of Drag Reduction in Viscoelastic Fluid Flow

M Niazi, SN Ashrafizadeh… - Industrial & …, 2024 - ACS Publications
One effective method for reducing pressure drop in turbulent pipe flows is the injection of
Drag Reducing Agents (DRA), a technique that has been used for over 70 years. This study …

Drag Reduction by Polymer Additives: State-of-the-Art Advancements in Experimental and Numerical Approaches

SS Baakeem, K Hashlamoun, A Hethnawi… - Industrial & …, 2024 - ACS Publications
This comprehensive literature review delves into various aspects of the drag reduction (DR)
phenomenon. To address respective aspects as well as track authors and research outputs …

Development of a Low-Reynolds-number k-ω Model for FENE-P Fluids

PR Resende, FT Pinho, BA Younis, K Kim… - Flow, turbulence and …, 2013 - Springer
A low-Reynolds-number k-ω model for Newtonian fluids has been developed to predict drag
reduction of viscoelastic fluids described by the FENE-P model. The model is an extension …