Heat or mass transfer from a sphere in Stokes flow at low Péclet number

Christopher G. Bell, Helen M. Byrne, Jonathan P. Whiteley, Sarah L. Waters

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

We consider the low Péclet number, Pe≪1, asymptotic solution for steady-state heat or mass transfer from a sphere immersed in Stokes flow with a Robin boundary condition on its surface, representing Newton cooling or a first-order chemical reaction. The application of Van Dyke's rule up to terms of O(Pe3) shows that the O(Pe3logPe) terms in the expression for the average Nusselt/Sherwood number are twice those previously derived in the literature. Inclusion of the O(Pe3) terms is shown to increase the range of validity of the expansion. © 2012 Elsevier Ltd. All rights reserved.
Original languageEnglish (US)
Pages (from-to)392-396
Number of pages5
JournalApplied Mathematics Letters
Volume26
Issue number4
DOIs
StatePublished - Apr 2013
Externally publishedYes

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): KUK-C1-013-04
Acknowledgements: This publication is based on work supported by Award No. KUK-C1-013-04, made by King Abdullah University of Science and Technology (KAUST). SLW is grateful for funding from the EPSRC in the form of an Advanced Research Fellowship.
This publication acknowledges KAUST support, but has no KAUST affiliated authors.

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