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Title:
Laminar flow of a shear-thickening fluid in a 90° pipe bend
Authors:
ID
Marn, Jure
(
Author
)
ID
Ternik, Primož
(
Author
)
Files:
http://dx.doi.org/10.1016/j.fluiddyn.2006.01.003
Language:
English
Work type:
Unknown
Typology:
1.01 - Original Scientific Article
Organization:
FS - Faculty of Mechanical Engineering
Abstract:
The non-Newtonian fluid flow in a sharp 90 curved pipe is studied numerically to obtain the pressure loss coefficient prompted by disagreement between the existing empirical correlations and results obtained by computer codes. This disagreement results from presumption of fully developed flow throughout the curvature (correlations) while the actual flow is partially developed for the Newtonian and sharp 90 curved bend non-Newtonian flows, and fully developed for slightly bent 90 curvature non-Newtonian flow. The Quadratic model is employed to accommodate the shear-thickening behavior of an electrostatic ash and water mixture. Numerical results are obtained for different values of Reynolds number. Finally, results for local pressure loss coefficient are compared with values obtained for the Power law rheological model.
Keywords:
shear-thickening fluid
,
fluid dynamics
,
rheological model
,
pipe bend flow
,
numerical modelling
,
pressure losses
Year of publishing:
2006
PID:
20.500.12556/DKUM-25680-59b101c9-d501-b6c9-1c31-7909cbc9fec0
UDC:
532.5:519.61/.64
ISSN on article:
0169-5983
COBISS.SI-ID:
10320662
NUK URN:
URN:SI:UM:DK:ZXOTILY3
Publication date in DKUM:
30.05.2012
Views:
2147
Downloads:
92
Metadata:
Categories:
Misc.
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Record is a part of a journal
Title:
Fluid dynamics research
Shortened title:
Fluid dyn. res.
Publisher:
North-Holland
ISSN:
0169-5983
COBISS.SI-ID:
352578
Secondary language
Language:
English
Keywords:
mehanika fluidov
,
dinamika tekočin
,
reološki model
,
pravokotno ukrivljena cev
,
numerično modeliranje
,
tlačne izgube
,
viskozni pastast fluid
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