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Laminar non-Newtonian flow in a porous pipe

✍ Scribed by Narasimhan, M. N. L.

Publisher
Springer
Year
1961
Tongue
English
Weight
689 KB
Volume
10
Category
Article
ISSN
0003-6994

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Unsteady, laminar flows of non-Newtonian
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✍ M.F. Edwards; D.A. Nellist; W.L. Wilkinson πŸ“‚ Article πŸ“… 1972 πŸ› Elsevier Science 🌐 English βš– 902 KB

Velocity profiles for unsteady laminar flows of power law non-Newtonian fluids in pipes have been derived using an explicit finite difference technique. Three unsteady flows have been considered, viz. (1) The transient start-up following the sudden imposition of a constant pressure gradient to a fl

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✍ Ramesh C. Gupta πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 488 KB

ln r \* + (1 -r 2 \* )(1 + r 2 \* )](1 -r 2 \* ) 3 d x=dr \* =72r 6 \* (r 2 \* + 2)(ln r \* ) 2 -12r 4 \* (r 6 \* + 15r 4 \* + 5r 2 \* -6) ln r \* +(r 2 \* -1)(17r 8 \* + 83r 6 \* + 3r 4 \* -14r 2 \* + 1): The pressure can be obtained either from ( 23) or ( 24). It is given by x=dr \* = 216r 4 \*