Fig. 9 | Scientific Reports

Fig. 9

From: Advanced analysis of nonlinear stability of two horizontal interfaces separating three-stratified non-Newtonian liquids

Fig. 9

Demonstrates the impact of the CL factor \(\beta_{c}\) on stability boundaries \((\log E_{0}^{2} \,{\text{vs}}{.}\,\,k)\) \(\beta_{c}\) rises from 0.05 to 0.09, meanwhile other parameters remain fixed. Stable (S) and unstable (U) regions are indicated. The non-dimensional parameters held constant are as in Fig. 7, except \(D_{n} = 1.005,\) and \(P_{e} = 0.5\)

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