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1 results

  • 6 - Internal dynamics from the lens of statistical mixingmeasurements

  • from Part 1 - Fundamentals
  • Ye Zhou, Lawrence Livermore National Laboratory, California
  • Book:
    Hydrodynamic Instabilities and Turbulence
    Published online:
    27 June 2024
    Print publication:
    30 November 2024, pp 111-134

  • 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.