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Far downstream analysis for the Blasius boundary-layer stability problem

Turner, MR (2007) Far downstream analysis for the Blasius boundary-layer stability problem QJMAM, 60 (3). pp. 255-274.

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In this paper, we examine the large Reynolds number (Re) asymptotic structure of the wave number in the Orr–Sommerfeld region for the Blasius boundary layer on a semi-infinite flat plate given by Goldstein (1983, J. Fluid Mech., 127, 59–81). We show that the inclusion of the term which contains the leading-order non-parallel effects, at O(Re− 1/2), leads to a non-uniform expansion. By considering the far downstream form of each term in the asymptotic expansion, we derive a length scale at which the non-uniformity appears, and compare this position with the position seen in plots of the wave number.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Mathematics
Authors :
Date : 1 February 2007
Identification Number :
Depositing User : Symplectic Elements
Date Deposited : 24 Jun 2011 16:04
Last Modified : 09 Jun 2014 13:29

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