Dissertation
Turbulence modulation in particle-laden flows: The derivation and validation of a dissipation transport equation
Washington State University
Doctor of Philosophy (PhD), Washington State University
12/2008
DOI:
https://doi.org/10.7273/000005872
Abstract
In this research, a volume averaged dissipation transport equation is developed for particle laden turbulent flows. The derivation process identifies an additional production of dissipation term that is due to the presence of particles and three new coefficients. The coefficient for the production of dissipation due to the presence of particles was found from experimental data involving homogeneous turbulence generation by particles. The coefficient for the dissipation of dissipation was found to contain an additional term due to the presence of particles within a homogeneous turbulent decay. The coefficient associated with the production by mean velocity gradients was found analytically, but the data needed to determine this coefficient was lacking the necessary parameters. A numerical model was developed and compared to the experimental data of particle laden turbulent channel flow. The first stage of the model shows promise and agrees reasonably well with the experimental data.
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Details
- Title
- Turbulence modulation in particle-laden flows
- Creators
- John D. Schwarzkopf
- Contributors
- Prashanta Dutta (Chair)David J Wollkind (Committee Member) - Washington State University, Department of Mathematics and Statistics
- Awarding Institution
- Washington State University
- Academic Unit
- School of Mechanical and Materials Engineering
- Theses and Dissertations
- Doctor of Philosophy (PhD), Washington State University
- Publisher
- Washington State University
- Number of pages
- 144
- Identifiers
- 99901055039701842
- Language
- English
- Resource Type
- Dissertation