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Coherent structures in turbulence

Their generation, identification, and contribution to tracer particle dispersion

Doctoral thesis (2017)

Authors

Research Group
Fluid Mechanics
Copyright: © 2017 M. Goudar Vishwanathappa
DOI: https://doi.org/10.4233/uuid:e9962229-d045-4614-876e-de3e7e5f188f
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Published Date

2017

Language

English

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Research Group

Fluid Mechanics

Abstract

Turbulence is implicitly present or explicitly desired in many natural and industrial processes, such as, flow over solid surfaces, cloud formation, pollination, combustion, and chemical mixing. Hence, a better understanding of turbulence can aid in fuel saving by reducing drag in the case of flow over solid surfaces, namely, cars, airplanes, and ships. Furthermore, cloud formation models for refining weather modeling as well as the modeling of chemical mixing and combustion can be enhanced. However, there are different approaches to understand turbulence and in this thesis, turbulence is studied in terms of coherent structures...