Mathematical modeling of slip and magnetohydrodynamics effects in blade coating

M Sajid, H Shahzad, M Mughees… - Journal of Plastic Film & …, 2019 - journals.sagepub.com
A mathematical analysis for magnetohydrodynamics and slip effects is presented for blade
coating onto a moving sheet of viscous fluid. An applied magnetic field is imposed normal to …

Nonisothermal analysis of a couple stress fluid in blade coating process

M Mughees, M Sajid, N Ali… - Polymer Engineering & …, 2020 - Wiley Online Library
In this paper, a nonisothermal analysis for the process of blade coating of an incompressible
couple stress fluid is presented using both plane and exponential coaters. The governing …

Analysis of calendering process of non-isothermal flow of non-Newtonian fluid: a perturbative and numerical study

S Khaliq, Z Abbas - Journal of Plastic Film & Sheeting, 2021 - journals.sagepub.com
This paper numerically solves the third-order fluid flow during calendering with slip condition
at the rolls. The basic equations are transformed into dimensionless forms and simplified by …

Roll coating analysis of a third grade fluid

M Zahid, T Haroon, MA Rana… - Journal of Plastic Film & …, 2017 - journals.sagepub.com
This paper studies the roll-coating process of an incompressible viscoelastic fluid, where the
roll and the web have equal velocities. The lubrication approximation theory is used to …

[HTML][HTML] Blade coating analysis of a Williamson fluid

AM Siddiqui, S Bhatti, MA Rana, M Zahid - Results in physics, 2017 - Elsevier
In this article, a mathematical model of a blade coating analysis of the thin film of a
Williamson fluid is developed when it passes through the small gap between a blade and a …

Analytical solution to calendering in eccentric cylindrical coordinates

P Poungthong, C Kolitawong, AJ Giacomin - Physics of Fluids, 2023 - pubs.aip.org
Calendering is the process in which molten material is dragged through the nip region to
produce a film or sheet. By nip region, we mean the area between two corotating rolls. Here …

A theoretical analysis of the calendering of Ellis fluid

MA Javed, N Ali, M Sajid - Journal of Plastic Film & Sheeting, 2017 - journals.sagepub.com
We present a theoretical analysis of calendering of Ellis fluid based on lubrication
approximation. The equations governing the flow are nondimensionalized and solved to get …

Mathematical analysis of a non-Newtonian polymer in the forward roll coating process

M Zahid, M Zafar, MA Rana, MS Lodhi… - Journal of Polymer …, 2020 - degruyter.com
This article describes the development of a mathematical model of forward roll coating of a
thin film of a non-Newtonian material when it passes through a small gap between the two …

Theoretical analysis of the exiting thickness of sheets in the calendering of FENE-P fluid

N Ali, MA Javed, M Sajid - Journal of Non-Newtonian Fluid Mechanics, 2015 - Elsevier
A theoretical model is presented to analyze the calendering process wherein, the material to
be calendered, is represented by the constitutive equation of a FENE-P fluid. The continuity …

An exact solution for the calendering analysis of a third-order fluid

M Sajid, N Ali, MA Javed - Journal of Plastic Film & Sheeting, 2017 - journals.sagepub.com
This paper presents the exact solution for calendering a third-order fluid under lubrication
approximation. The solution obtained is valid for all values of the third-order fluid parameter …