CFD Modelling of Drag Reduction Effects in Pipe Flows

2003 ◽  
Author(s):  
Jukka Koskinen ◽  
Mikko Manninen ◽  
Timo Pattikangas ◽  
Villo Alopaeus ◽  
Kari I. Keskinen ◽  
...  
Keyword(s):  
Drag Reduction ◽  
Cfd Modelling ◽  
Pipe Flows

On the link between experimentally‐measured turbulence quantities and polymer‐induced drag reduction in pipe flows

AIChE Journal ◽  
2019 ◽  
Vol 65 (9) ◽  
Author(s):  
Victor Voulgaropoulos ◽  
Ivan Zadrazil ◽  
Niccolò Le Brun ◽  
Alexander Bismarck ◽  
Christos N. Markides
Keyword(s):  
Drag Reduction ◽  
Pipe Flows ◽  
Induced Drag

DRAG REDUCTION IN TURBULENT PIPE FLOWS WITH POLYMER-POLYMER MIXTURES

2015 ◽  
Author(s):  
Gustavo Alonso Barrientos Sandoval ◽  
Edson José Soares ◽  
Fabricio Thomaz
Keyword(s):  
Drag Reduction ◽  
Polymer Mixtures ◽  
Pipe Flows

An experimental study of the drag reduction pipe flows with the addition of natural macromolecules

2019 ◽  
Vol 2019 (0) ◽  
pp. OS10-13
Author(s):  
Shinichirou YANASE ◽  
Eisuke YAMANE ◽  
Toshinori KOUCHI ◽  
Yasunori NAGATA ◽  
Kazunori YASUDA
Keyword(s):  
Experimental Study ◽  
Drag Reduction ◽  
Pipe Flows

DRAG REDUCTION BY A MIXTURE OF POLYMERS AND FIBERS EXTRACTED FROM OKRA PODS IN TURBULENT PIPE FLOWS

2016 ◽  
Author(s):  
Eduardo Coelho ◽  
Kelvin Barbosa ◽  
Edson Soares ◽  
Renato Siqueira
Keyword(s):  
Drag Reduction ◽  
Pipe Flows

CFD Modelling and Validation of Newtonian and Non-Newtonian Fluids in Curved Conduits

2015 ◽  
Vol 786 ◽  
pp. 181-187
Author(s):  
Abdulrahman Yousif ◽  
Azuraien Japper-Jaafar
Keyword(s):  
Pressure Drop ◽  
Drag Reduction ◽  
Reynolds Stress ◽  
Tap Water ◽  
Newtonian Fluids ◽  
Experimental Results ◽  
Polymer Additives ◽  
Centrifugal Forces ◽  
Cfd Modelling

CFD modelling of drag reduction agents (also called Flow Improvers) polymer additives dissolved in a newtonian solvent (UTP tap Water) was carried out in a curved conduit, A 7 equation Reynolds stress set of equations was used to simulate this flow. The purpose of this simulation is validate experimental results that show unusual pressure drop behaviour. CFD experiments show that there is pressure build-up near the end of the curved conduit due to severe centrifugal forces produced by the fluid, confirming the validity of the experimental results.

Simulating drag reduction phenomenon in turbulent pipe flows

2008 ◽  
Vol 35 (8) ◽  
pp. 609-613 ◽  
Author(s):  
M. Allahdadi Mehrabadi ◽  
K. Sadeghy
Keyword(s):  
Drag Reduction ◽  
Pipe Flows

Degradation effects of dilute polymer solutions on turbulent drag reduction in pipe flows

1995 ◽  
Vol 55 (1) ◽  
pp. 63-82 ◽  
Author(s):  
J. M. J. Toonder ◽  
A. A. Draad ◽  
G. D. C. Kuiken ◽  
F. T. M. Nieuwstadt
Keyword(s):  
Drag Reduction ◽  
Polymer Solutions ◽  
Turbulent Drag Reduction ◽  
Pipe Flows ◽  
Dilute Polymer Solutions ◽  
Turbulent Drag
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