Abstract
Three-dimensional numerical simulations of the hydro-abrasive wear of Francis turbine guide vanes are reported. The calculations discussed in this paper are based on recently performed investigations for a three-dimensional guide vane configuration including gap clearance effects. Three-dimensional simulations have been carried out following the promising results obtained in previously performed 2D calculations [1]. The present numerical simulations use the calculated turbulent 3D flow field to predict the trajectories of sand particles in the flow. Particle-wall interactions result in abrasive wear which is calculated by applying a simple wear model. Comparisons with the observed wear pattern obtained from a long duration field test show very good agreement.
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© 1996 Friedr. Vieweg & Sohn Verlagsgesellschaft mbH, Braunschweig/Wiesbaden
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Drtina, P., Krause, M. (1996). Numerical Prediction of Abrasion for Francis Turbine Guide Vanes. In: Deville, M., Gavrilakis, S., Ryhming, I.L. (eds) Computation of Three-Dimensional Complex Flows. Notes on Numerical Fluid Mechanics (NNFM), vol 49. Vieweg+Teubner Verlag. https://doi.org/10.1007/978-3-322-89838-8_9
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DOI: https://doi.org/10.1007/978-3-322-89838-8_9
Publisher Name: Vieweg+Teubner Verlag
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Online ISBN: 978-3-322-89838-8
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