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Turbulence Modeling Of Strongly Heated Internal Pipe Flow Using Large Eddy Simulation, Michal Hradisky
Turbulence Modeling Of Strongly Heated Internal Pipe Flow Using Large Eddy Simulation, Michal Hradisky
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The main objective of this study was to evaluate the performance of three Large Eddy Simulation (LES) subgrid scale (SGS) models on a strongly heated, low Mach number upward gas flow in a vertical pipe with forced convection. The models chosen for this study were the Smagorinsky-Lilly Dynamic model (SLD), the Kinetic Energy Transport model (KET), and the Wall-Adaptive Local-Eddy viscosity model (WALE). The used heating rate was sufficiently large to cause properties to vary significantly in both the radial and streamwise directions. All simulations were carried out using the commercial software FLUENT.
The effect of inlet turbulence generation techniques …