THE IMPORTANCE OF INERTIA TERMS IN ASSESSING WALL SLIP EFFECTS OF NON- NEWTONIAN FLUIDS IN FREE COATING PROCESSES

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SADEGHY K.; GHASIMAN AMIRI M.B.

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Journal: Year:2000 | Volume:34 | Issue:3 (69) Page(s): 89-101

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Title

THE IMPORTANCE OF INERTIA TERMS IN ASSESSING WALL SLIP EFFECTS OF NON- NEWTONIAN FLUIDS IN FREE COATING PROCESSES

Author(s)

SADEGHY K. | GHASIMAN AMIRI M.B. | Issue Writer Certificate

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Abstract

The effect of wall slip on the entrainment of non-Newtonian fluids is investigated onto a sheet withdrawn vertically from a bath of liquid. For a wave-free two-dimensional laminar film, the equations of motion are shown to reduce into a single third-order nonlinear ordinary differential equation incorporating slip velocity as an adjusting parameter. Film thickness values obtained by numerical solution of this equation are found to become virtually consistent with experimental data provided that wall slip being occurred. With wall slip as the boundary condition, it is shown that for purely-viscous power-law fluids, better predictions can be obtained for the film thickness if inertia terms are included in the equations of motion.

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APA: Copy

SADEGHY, K., & GHASIMAN AMIRI, M.B.. (2000). THE IMPORTANCE OF INERTIA TERMS IN ASSESSING WALL SLIP EFFECTS OF NON- NEWTONIAN FLUIDS IN FREE COATING PROCESSES. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 34(3 (69)), 89-101. SID. https://sid.ir/paper/14503/en

Vancouver: Copy

SADEGHY K., GHASIMAN AMIRI M.B.. THE IMPORTANCE OF INERTIA TERMS IN ASSESSING WALL SLIP EFFECTS OF NON- NEWTONIAN FLUIDS IN FREE COATING PROCESSES. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2000;34(3 (69)):89-101. Available from: https://sid.ir/paper/14503/en

IEEE: Copy

K. SADEGHY, and M.B. GHASIMAN AMIRI, “THE IMPORTANCE OF INERTIA TERMS IN ASSESSING WALL SLIP EFFECTS OF NON- NEWTONIAN FLUIDS IN FREE COATING PROCESSES,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 34, no. 3 (69), pp. 89–101, 2000, [Online]. Available: https://sid.ir/paper/14503/en

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