Instabilities in stratified mixing layers

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

Dependencies of temporal and spatial increments

on the mixing layer thickness x=d/[L]

Remainder: a=1+b, w=-b₁/2l

Results for Pr=9, R=3, Ri=0.2 and l=0.5

Dependencies b(x) and b₁(x) for inviscid and viscous isothermal flow

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

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

Dependence w(x) for viscous flow at Re=10⁴ (temporal instability)

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

Dependence b(x) for viscous flow at Re=10⁴ (spatial instability)

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

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