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 …

Calendering analysis of non-isothermal viscous nanofluid containing Cu-water nanoparticles using two counter-rotating rolls

Z Abbas, S Khaliq - Journal of Plastic Film & Sheeting, 2021 - journals.sagepub.com
This study is a non-isothermal analysis of the calendering process using a water based
nanofluid with Cu-nanoparticles. The basic flow equations are simplified under the …

[HTML][HTML] Modeling of an isothermal flow of a magnetohydrodynamic, viscoplastic fluid during forward roll coating process

M Zahid, M Zafar, I Siddique, MAY Mohammed… - Alexandria Engineering …, 2021 - Elsevier
An isothermal and incompressible flow of a magnetohydrodynamici (MHD) viscoplastic fluid
has been examined while passing through the area among two co-rotating rolls. Applying …

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 modeling of micropolar fluid in blade coating using lubrication theory

M Kanwal, X Wang, H Shahzad, Y Chen, M Sajid - SN Applied Sciences, 2020 - Springer
The blade coating process of a micropolar fluid using the plane and exponential coater has
been studied. Equations are simplified utilizing lubrication approximation theory. The …

Roll coating analysis of a second-grade material

M Zahid, MA Rana, AM Siddiqui - Journal of Plastic Film & …, 2018 - journals.sagepub.com
In this study, the lubrication approximation theory is used to provide numerical results in roll
coating over a moving flat porous web. The rate of injection at the roll surface is assumed …

Calendering analysis of a third-order fluid

AM Siddiqui, M Zahid, MA Rana… - Journal of Plastic Film & …, 2014 - journals.sagepub.com
In this paper, the study of a non-Newtonian material when it is dragged through the narrow
region between two co-rotating rolls is carried out. The conservation of mass and momentum …

A mathematical model of the calendered exiting thickness of micropolar sheet

N Ali, HM Atif, MA Javed, M Sajid - Polymer Engineering & …, 2018 - Wiley Online Library
A theoretical analysis based on the lubrication theory is presented to study the calendering
mechanism. The material to be calendered is described by the constitutive relationship of a …

Modeling of non-isothermal flow of a magnetohydrodynamic, viscoplastic fluid during calendering

M Zahid, MA Rana, AM Siddiqui… - Journal of Plastic Film & …, 2016 - journals.sagepub.com
We have modeled an incompressible, non-isothermal flow of a magnetohydrodynamic
(MHD) viscoplastic fluid when it passes through the tapered area between two co-rotating …

Blade coating analysis of viscous nanofluid having Cu–water nanoparticles using flexible blade coater

M Kanwal, X Wang, H Shahzad… - Journal of Plastic Film …, 2020 - journals.sagepub.com
This article presents the blade coating analysis of viscous nanofluid passing over a porous
substrate using a flexible blade coater. Water-based copper nanoparticles are considered to …