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An analytic solution of unsteady boundary-layer flows caused by an impulsively stretching plate

✍ Scribed by Shijun Liao

Publisher: Elsevier Science
Year: 2006
Tongue: English
Weight: 350 KB
Volume: 11
Category: Article
ISSN: 1007-5704
DOI: 10.1016/j.cnsns.2004.09.004

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✦ Synopsis

In this paper, the unsteady boundary-layer flows caused by an impulsively stretching flat plate is solved by means of an analytic approach. Unlike perturbation techniques, this approach gives accurate analytic approximations uniformly valid for all dimensionless time. Besides, a simple but accurate analytic formula for the local skin friction is given, which agrees well with numerical results and thus is useful in the related industries. To the best of our knowledge, this type of analytic solutions has been never reported. Furthermore, the proposed analytic approach has general meaning and therefore may be applied in the similar way to other unsteady boundary-layer flows to get accurate analytic solutions valid for all time.

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