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Journal of Porous Media
Fator do impacto: 1.49 FI de cinco anos: 1.159 SJR: 0.43 SNIP: 0.671 CiteScore™: 1.58

ISSN Imprimir: 1091-028X
ISSN On-line: 1934-0508

Volumes:
Volume 22, 2019 Volume 21, 2018 Volume 20, 2017 Volume 19, 2016 Volume 18, 2015 Volume 17, 2014 Volume 16, 2013 Volume 15, 2012 Volume 14, 2011 Volume 13, 2010 Volume 12, 2009 Volume 11, 2008 Volume 10, 2007 Volume 9, 2006 Volume 8, 2005 Volume 7, 2004 Volume 6, 2003 Volume 5, 2002 Volume 4, 2001 Volume 3, 2000 Volume 2, 1999 Volume 1, 1998

Journal of Porous Media

DOI: 10.1615/JPorMedia.v20.i2.10
pages 99-110

BLADE-COATING ANALYSIS OF A SECOND-GRADE FLUID WITH A POROUS PLATE

Saira Bhatti
Department of Mathematics and Statistics, Riphah International University, Islamabad, Pakistan; Department of Mathematics, COMSATS Institute of Information Technology, Abbottabad, Pakistan
Muhammad Afzal Rana
Department of Mathematics and Statistics, Riphah International University, Islamabad, Pakistan
Abdul Majeed Siddiqui
Department of Mathematics, Pennsylvania State University, York Campus, 1031 Edgecomb Avenue, York, PA 17403, USA
Muhammad Zahid
Department of Mathematics, COMSATS Institute of Information Technology, Abbottabad, Pakistan
Hafiz Abdul Wahab
Department of Mathematics, Hazara University Mansehra, Pakistan

RESUMO

An analysis has been presented for the second-grade fluid of blade coating with a moving porous substrate. The lubrication approximation theory has been used to simplify the equations of motion. For the investigation of the nature of the steady solutions that exist, we make use of the combination of exact solution and numerical methods. The expressions for the velocity profile, rate of volumetric flow, and pressure gradient are found in the form of exact solutions. Furthermore, the quantities of interest by an engineering point of view, such as pressure distribution and load, are also computed. Some results are shown graphically while others are given in tabulated form. It is found that the non-Newtonian parameter ε and Reynolds number Re serve as the controlling parameters for the blade-coating process.


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