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Title: Large-eddy Simulation of Turbulent Flows in A Heated Streamwise Rotating Channel
Authors: Zhang, Ye
Supervisor: Wang, Bing-cheng (Mechanical and Manufacturing Engineering)
Examining Committee: Ormiston, Scott (Mechanical and Manufacturing Engineering) Filizadeh, Shaahin (Electrical and Computer Engineering)
Graduation Date: May 2012
Keywords: LES
turbulent flow
streamwise rotating
Issue Date: 4-Apr-2012
Abstract: In this thesis, large-eddy simulation has been performed to investigate a heated plane channel flow subjected to streamwise system rotations. A variety of rotation numbers ranging from Roτ = 0 to 15 have been tested in conjunction with two fixed low Reynolds numbers Reτ = 150 and 300. The fundamental characteristics of the resolved velocity and temperature fields in terms of their mean and root-mean-square (RMS) values are investigated. Advanced physical features in terms of the transport of turbulent stresses, turbulent kinetic energy (TKE), heat fluxes and forward and backward scatter of local kinetic energy (KE) fluxes between the resolved and subgrid scales are also studied. Numerical simulations were performed using the conventional dynamic model (DM) and an advanced dynamic nonlinear model (DNM) for closure of the filter momentum equation, and an advanced dynamic full linear tensor thermal diffusivity model (DFLTDM) for closure of the filtered thermal energy equation.
Appears in Collection(s):FGS - Electronic Theses & Dissertations (Public)

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