Global ETD Search
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Showing 1 to 4 of 4 for “"Transitional Reynolds Numbers"”.
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Coherent structures in incompressible fluid flows
… transition to turbulence in pipe at intermediate Reynolds numbers and includes a discussion of two classes of structures observed during the transition to turbulence: numerically-extracted solutions of the Navier-Stokes equations (the "exact'') and localized/patterned turbulent spots that are not …
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Development and validation of a thermodynamic model for predicting mode transitions in falling film flows over horizontal tubes
… model is then applied to predict the transitional Reynolds numbers between the falling-film modes over a wide range of operating conditions (i.e. fluid properties and tube geometries). Validation with experimental data from the literature shows higher accuracy of the thermodynamic …
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Unsteady flow physics of airfoil dynamic stall
… pitch rate of 0.05 and across three transitional Reynolds numbers, Re = 200,000, 500,000, and 1,000,000. The primary objectives of these experiments were to perform a detailed analysis of the flow evolution, with particular emphasis on the underlying physical mechanisms, and to …
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Influence of aspect ratio on dynamic stall of a finite wing
… been observed in similar studies at much lower Reynolds numbers. With the emergence of this three-dimensional vortex structure, spanwise pressure gradients act to induce an inboard velocity near the wing trailing edge and an outboard velocity close to the wing leading edge. The evolution of all …