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6 - Internal dynamics from the lens of statistical mixingmeasurements

from Part 1 - Fundamentals

Ye Zhou
Affiliation:
Lawrence Livermore National Laboratory, California
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Summary

In this chapter, we will focus on the statistical spectral dynamics which are paramount to understanding the development of the integrated mixing quantities described in Chapter 5. Reynolds flow averaging and the turbulent kinetic energy are introduced. In addition, I will discuss how the energy of the flows is transferred from large scale to small scale modes, as well as the impact of the shockwave and gravity on the isotropy of the flows. The flow spectra allow several important length scales to be defined. Numeric simulations and experimental data will be offered to provide insights on the mixing processes.

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Chapter
Information
Hydrodynamic Instabilities and Turbulence
Rayleigh–Taylor, Richtmyer–Meshkov, and Kelvin–Helmholtz Mixing
, pp. 111 - 134
Publisher: Cambridge University Press
Print publication year: 2024

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