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Characterization Of Mean And Turbulent Flow Over Complex Topography Under Various Inflow And Geometric Configurations, Ryan J. Kilpatrick
Characterization Of Mean And Turbulent Flow Over Complex Topography Under Various Inflow And Geometric Configurations, Ryan J. Kilpatrick
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An experimental investigation of flow over a complex topography was undertaken to study the influence of inflow conditions including Reynolds number, upstream roughness, and inflow shear profile on mean and turbulent flow behaviour.
Large-scale physical testing was employed over the escarpment of a hill, covering a Reynolds number range of 3.6×104 to 5.2×105. Measurements taken using Particle Image Velocimetry (PIV) and Cobra Probes were analyzed in terms of mean and turbulent statistics. Coherent structures were characterized through Proper Orthogonal Decomposition (POD).
The results show that the Reynolds number had little effect on the flow behaviour, while the …