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- Title
Coating of pseudo-plastic material in reverse roll-coating: Mathematical analysis.
- Authors
Siddique, Imran; Iqbal, Shaukat; Akram, Aimen; Zahid, Muhammad
- Abstract
This paper describes a theoretical framework and computational methods of a thin layer coating of a non-Newtonian polymeric material while it moves through a tiny space among two inverted rollers. Order of magnitude is accustomed to clarify the nondimensional forms of the governing equations. Semi-analytical solutions of pressure gradient, velocity profile and rate of the flow are acquired via optimal homotopy asymptotic method (OHAM). The graphical representation depicts the physical quantities of the effects of velocity profile ratio k and Weissenberg number We. It is observed that by increasing the values of k and We, velocity profile decreases while pressure distribution increases.
- Subjects
MATHEMATICAL analysis; SURFACE coatings; PHYSICAL constants; NON-Newtonian fluids; VELOCITY
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2024, Vol 38, Issue 8, p1
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S021797922450108X