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Effects Of Surface Topographies On Heat And Fluid Flows, Hadi Vafadar Moradi
Effects Of Surface Topographies On Heat And Fluid Flows, Hadi Vafadar Moradi
Electronic Thesis and Dissertation Repository
Responses of annular and planar flows to the introduction of grooves on the bounding surfaces have been analyzed. The required spectral algorithms based on the Fourier and Chebyshev expansions have been developed. The difficulties associated with the irregularities of the physical domain have been overcome using either the immersed boundary conditions (IBC) concept or the domain transformation method (DT).
Steady flows in annuli bounded by walls with longitudinal grooves have been studied. Analysis of pressure losses showed that the groove-induced changes can be represented as a superposition of a pressure drop due to a change in the average position of …