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.
|Divisions :||Faculty of Engineering and Physical Sciences > Mathematics|
|Date :||1 February 2007|
|Identification Number :||https://doi.org/10.1093/qjmam/hbm011|
|Depositing User :||Symplectic Elements|
|Date Deposited :||24 Jun 2011 16:04|
|Last Modified :||09 Jun 2014 13:29|
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