STABILITY OF SHEAR-THICKENING AND SHEAR-THINNING FLUIDS IN NARROW GAP BETWEEN ROTATING CYLINDERS

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ASHRAFI N.; KARIMI HAGHIGHI H.

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Journal: INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY Year:2011 | Volume:4 | Issue:2 (14) Page(s): 65-76

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Title

STABILITY OF SHEAR-THICKENING AND SHEAR-THINNING FLUIDS IN NARROW GAP BETWEEN ROTATING CYLINDERS

Author(s)

ASHRAFI N. | KARIMI HAGHIGHI H. | Issue Writer Certificate

Keywords

SHEAR THICKENINGQ3

SHEAR THINNINGQ3

TAYLOR COUETTEQ3

CARREAU BIRDQ3

GALERKIN PROJECTIONQ2

TAYLOR VORTEXQ3

Abstract

The effect of weak SHEAR THICKENING and SHEAR THINNING on the stability of the Taylor-Couette flow is explored for a Carreau-Bird fluid in the narrow-gap limit. The GALERKIN PROJECTION method is used to derive a low-order dynamical system from the conservation of mass and momentum equations. In comparison with the Newtonian system, the present equations include additional nonlinear coupling in the velocity components through the viscosity. Similar to Newtonian fluids, there is an exchange of stability between the Couette and TAYLOR VORTEX flows. The results indicate that with increasing shear-thickening effect, the flow turns into unsteady state at higher Taylor numbers. In contrast, with increasing the shear-thinning effect the flow turns into unsteady state at lower Taylor numbers. Moreover, the results are in accordance to the other present research results.

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APA: Copy

ASHRAFI, N., & KARIMI HAGHIGHI, H.. (2011). STABILITY OF SHEAR-THICKENING AND SHEAR-THINNING FLUIDS IN NARROW GAP BETWEEN ROTATING CYLINDERS. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, 4(2 (14)), 65-76. SID. https://sid.ir/paper/172335/en

Vancouver: Copy

ASHRAFI N., KARIMI HAGHIGHI H.. STABILITY OF SHEAR-THICKENING AND SHEAR-THINNING FLUIDS IN NARROW GAP BETWEEN ROTATING CYLINDERS. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY[Internet]. 2011;4(2 (14)):65-76. Available from: https://sid.ir/paper/172335/en

IEEE: Copy

N. ASHRAFI, and H. KARIMI HAGHIGHI, “STABILITY OF SHEAR-THICKENING AND SHEAR-THINNING FLUIDS IN NARROW GAP BETWEEN ROTATING CYLINDERS,” INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, vol. 4, no. 2 (14), pp. 65–76, 2011, [Online]. Available: https://sid.ir/paper/172335/en

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