Frictional resistance of spheres rotating in power-law non-Newtonian fluids

1987 ◽  
Vol 52 (5) ◽  
pp. 1172-1177
Author(s):  
Pavel Mitschka
Keyword(s):  
Experimental Data ◽  
Boundary Layer ◽  
Approximate Method ◽  
Laminar Boundary Layer ◽  
Power Law ◽  
Frictional Resistance ◽  
Newtonian Fluids ◽  
Theoretical Solution ◽  
Power Law Fluids ◽  
Resistance Coefficients

Frictional resistance coefficients have been calculated for the rotation of spheres in non-Newtonian power-law fluids under laminar boundary-layer conditions using the approximate method of integral momentum balances. The values obtained agree satisfactorily with the available experimental data and the published theoretical solution.

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