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solalito February 25, 2013 06:06

Type I and II instability modes
 
Hello guys,

I have been reading some documentation about the flow between a stationary and a rotating disks. They talk quite a few times about type I and II instability modes (or Spiral modes of type I and II).
I have found a lot of papers talking about it, but nowhere did I find a actual definition. If anybody could enlighten me, that would be great :)


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