ESCI
SJR:
0.249
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0.434
CiteScore™:
1.4
ISSN Imprimir: 19402503
ISSN Online: 19402554
Volumes:
Volume 13, 2021
Volume 12, 2020
Volume 11, 2019
Volume 10, 2018
Volume 9, 2017
Volume 8, 2016
Volume 7, 2015
Volume 6, 2014
Volume 5, 2013
Volume 4, 2012
Volume 3, 2011
Volume 2, 2010
Volume 1, 2009

Computational Thermal Sciences: An International Journal
DOI: 10.1615/ComputThermalScien.2020033860
pages 329344
COMPUTATION OF EYRINGPOWELL MICROPOLAR CONVECTIVE BOUNDARY LAYER FLOW FROM AN INVERTED NONISOTHERMAL CONE: THERMAL POLYMER COATING SIMULATION
B. Md. Hidayathulla Khan
Department of Mathematics, Aditya College of Engineering, Madanapalle –
517325, India
Shaik Abdul Gaffar
Department of Information Technology, Mathematics Section, Salalah College
of Technology, Salalah – 211, Oman
Osman Anwar Beg
Gort EngovationAerospace, Medical and Energy Engineering, Gabriel's Wing House, 15
Southmere Avenue, Bradford, BD73NU, United Kingdom; Fluid Mechanics, Department of Mechanical and Aeronautical Engineering, Salford
University, M54WT, England, United Kingdom
Ali Kadir
MultiPhysical Engineering Sciences Group, Aeronautical and Mechanical
Engineering Department, School of Science, Engineering and Environment
(SEE), Newton Building, University of Salford, Manchester, M54WT, UK
P. Ramesh Reddy
Department of Mathematics,Madanapalle Institute of Science & Technology, Madanapalle,
India
RESUMO
Thermal coating of components with nonNewtonian materials is a rich area of chemical and process mechanical engineering. Many different rheological characteristics can be simulated for such coatings with a variety of different mathematical models. In this work, we study the steadystate coating flow and heat transfer of a nonNewtonian liquid (polymer) on an inverted isothermal cone with variable wall temperature. The Eringen micropolar and threeparameter EyringPowell models are combined to simulate microstructural and shear characteristics of the polymer. The governing partial differential conservation equations and wall and free stream boundary conditions are rendered into dimensionless form and solved computationally with the Kellerbox finite difference method. Validation with earlier Newtonian solutions from the literature is also included. Graphical and tabulated results are presented to study the variations of fluid velocity, microrotation (angular velocity), temperature, skin friction, wall couple stress (microrotation gradient) and wall heat transfer rate. The present numerical simulations find applications in thermal polymer coating operations and industrial deposition techniques and provide a useful benchmark for more general computational fluid dynamics simulations.
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