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Andrew Lawrie & Stuart Dalziel G. K. Batchelor Laboratory,

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Presentation on theme: "Andrew Lawrie & Stuart Dalziel G. K. Batchelor Laboratory,"— Presentation transcript:

1 On the universality of dissipation mechanisms in variable density mixing
Andrew Lawrie & Stuart Dalziel G. K. Batchelor Laboratory, Department of Applied Mathematics and Theoretical Physics, University of Cambridge, UK

2 Energy Decomposition Original stratification Background stratification
Winters et al. (1995) Original stratification Background stratification Admissible pathways

3 Machinery Admissible pathways Energy fluxes Mixing efficiencies
Instantaneous Cumulative Aggregate Admissible pathways Energy fluxes Mixing efficiencies

4 Double linear initial stratification

5 Experimental setup

6 Maximum Mixing Efficiency
Classic homogenous layer profile Odd symmetric monatonic profile Doubly stratified density profile

7 System bulk behaviour …

8 Start and end state stratifications
49.0% 50.0% 75.0%

9 Numerical Results Stratified energies and energy fluxes
Mixing efficiencies, homogenous energy fluxes

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