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Author:

Kanwal, Marya (Kanwal, Marya.) | Wang, Xinhua (Wang, Xinhua.) (Scholars:王新华) | Shahzad, Hasan (Shahzad, Hasan.) | Chen, Yingchun (Chen, Yingchun.) | Sajid, Muhammad (Sajid, Muhammad.)

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EI Scopus

Abstract:

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 analytical expressions for flow rate, pressure gradient, and velocity are obtained, while load and coating thickness are computed numerically with the help of the shooting method. We show how the microrotation parameters epsilon and the coupling number N influence the flow characteristics, such as pressure distribution, velocity, pressure gradient and related engineering quantities such as load and thickness in the blade coating process, and they are shown graphically as well as in tabular form. We find that, for coupling number N and microrotation parameter epsilon, the pressure increases when compared to the Newtonian fluid. Moreover, the coating thickness decreases for the Newtonian case when N increases.

Keyword:

Shooting method Micropolar fluid Blade coating Lubrication approximation theory (LAT) Incompressible flow Exact and numerical solution

Author Community:

  • [ 1 ] [Kanwal, Marya]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Chaoyang Dist 100124, Peoples R China
  • [ 2 ] [Wang, Xinhua]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Chaoyang Dist 100124, Peoples R China
  • [ 3 ] [Shahzad, Hasan]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Chaoyang Dist 100124, Peoples R China
  • [ 4 ] [Chen, Yingchun]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Chaoyang Dist 100124, Peoples R China
  • [ 5 ] [Sajid, Muhammad]Int Islamic Univ Islamabad, Dept Math & Stat, Islamabad 44000, Pakistan

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Source :

SN APPLIED SCIENCES

ISSN: 2523-3963

Year: 2020

Issue: 4

Volume: 2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 16

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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