Instabilities in stratified mixing layers

Gelfgat & Kit, JFM, 2006, vol. 552, pp. 189-227


Dependencies of temporal and spatial increments

on the Richardson number Ri

 

Remainder:   a=1+b,  w=-b1/2l

 

Results for Pr=9, R=3, x=0.45 and l=0.5

 

Dependence w(Ri) for inviscid flow (temporal instability)

 

Dependence b(Ri) for inviscid flow (spatial instability)

 

Dependence w(Ri) for viscous flow at Re=103 (temporal instability)

 

Dependence b(Ri) for viscous flow at Re=103 (spatial instability)

 

 

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