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    • Slow motion of a sphere away from a wall: Effect of surface roughness on the viscous force

      Sunil Datta Manju Shukla

      Volume 112 Issue 4 November 2002 pp 641-654

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pmsc/112/04/0641-0654

    • Keywords

       

      Viscous force; slip flow; meridional plane

    • Abstract

       

      An asymptotic analysis is given for the effect of roughness exhibited through the slip parameter β on the motion of the sphere, moving away from a plane surface with velocityV. The method replaces the no-slip condition at the rough surface by slip condition and employs the method of inner and outer regions on the sphere surface. For β > 0, we have the classical slip boundary condition and the results of the paper are then of interest in the microprocessor industry.

    • Author Affiliations

       

      Sunil Datta1 Manju Shukla1

      1. Department of Mathematics and Astronomy, Lucknow University, Lucknow - 226 007, India

    • Dates

       
      Published
      November 2002
      Manuscript received
      2 January 2001
      Manuscript revised
      10 June 2002

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