Research on the von Kármán boundary layer extends back almost 100 years but remains a topic of active study, which continues to reveal new results; it is only now that fully nonlinear direct numerical simulations (DNS) have been conducted of the flow to compare with theoretical and experimental results. The von Kármán boundary layer, or rotating-disk boundary layer, provides, in some senses, a simple three-dimensional boundary-layer model with which to compare other more complex flow configurations but we will show that in fact the rotating-disk boundary layer itself exhibits a wealth of complex instability behaviors that are not yet fully understood.
Instabilities of the von Kármán Boundary Layer
Linné FLOW Centre,
Manuscript received September 10, 2014; final manuscript received January 9, 2015; published online February 18, 2015. Assoc. Editor: Herman J. H. Clercx.
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Lingwood, R. J., and Henrik Alfredsson, P. (May 1, 2015). "Instabilities of the von Kármán Boundary Layer." ASME. Appl. Mech. Rev. May 2015; 67(3): 030803. https://doi.org/10.1115/1.4029605
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