[HTML][HTML] Turbulent drag reduction by polymer additives: Fundamentals and recent advances

L Xi - Physics of Fluids, 2019 - pubs.aip.org
A small amount of polymer additives can cause substantial reduction in the energy
dissipation and friction loss of turbulent flow. The problem of polymer-induced drag …

Understanding effect of fluid salinity on polymeric drag reduction in turbulent flows of slickwater fluids

NK Korlepara, N Patel, C Dilley, AK Deysarkar… - Journal of Petroleum …, 2022 - Elsevier
Produced waters are brines drawn during the oil and gas production. These fluids are often
re-injected into unconventional reservoirs along with certain additives and proppants in …

Aqueous Solutions of Associating Poly(acrylamide-co-styrene): A Path to Improve Drag Reduction?

E Muratspahić, L Brandfellner, J Schöffmann… - …, 2022 - ACS Publications
Hydrophobically modified associating polymers could be effective drag-reducing agents
containing weak “links” which after degradation can reform, protecting the polymer …

A combined experimental and computational study of the flow characteristics in a Type B aortic dissection: Effect of primary and secondary tear size

I Zadrazil, C Corzo, V Voulgaropoulos… - … Research and Design, 2020 - Elsevier
Aortic dissection is related to the separation of the tunica intima from the aortic wall, which
can cause blood to flow through the newly formed lumen, thereby further damaging the torn …

Transient freezing of water between two parallel plates: A combined experimental and modelling study

V Voulgaropoulos, N Le Brun, A Charogiannis… - International Journal of …, 2020 - Elsevier
The transient freezing/solidification of water subjected to shear flow inside a rectangular cell
is investigated under laminar flow conditions. A flow of freezing water is established inside …

[HTML][HTML] Long-term degradation of high molar mass poly (ethylene oxide) in a turbulent pilot-scale pipe flow

HW Müller, L Brandfellner, A Bismarck - Physics of Fluids, 2023 - pubs.aip.org
The long-term drag reduction capability of poly (ethylene oxide) with a nominal molar weight
of M w= 4× 10 6 g/mol dissolved in water was investigated in a pilot-scale pipe flow device …

[PDF][PDF] Improving the efficiency of water fire extinguishing systems operation by using guanidine polymers

T Maglyovana, T Nyzhnyk, S Stas… - … -European Journal of …, 2020 - papers.ssrn.com
IMPROVING THE EFFICIENCY OF WATER FIRE EXTINGUISHING SYSTEMS OPERATION
BY USING GUANIDINE POLYMERS Page 1 Eastern-European Journal of Enterprise …

POD analysis of oscillating grid turbulence in water and shear thinning polymer solution

T Lacassagne, S Simoëns, M El Hajem… - AIChE …, 2021 - Wiley Online Library
Oscillating grids are frequently used with water and Newtonian fluids to generate controlled
turbulence and mixing. Yet, their use with shear thinning fluids still requires experimental …

Investigation on the influence of sulfonic substitution in polyacrylamides for minimizing drag in turbulent flow of slickwater fluids

NK Korlepara, N Patel, C Dilley… - Journal of Applied …, 2024 - Wiley Online Library
The use of slickwater fluids for fracking is key for accessing unconventional shale/tight‐sand
reservoirs. To mitigate the frictional losses observed during the injection, drag reducers like …

Comparative study on turbulent drag reduction characteristics of flexible polymer and rigid polymer

S Zhao, E Li, H Yang, L Fan, L Zheng… - International Journal of …, 2022 - dl.begellhouse.com
The polymer turbulent drag reduction technology is widely applied to reduce the energy
consumption of transportation, which performs various effects with the different polymers …