Flow Simulation of Jet Deviation by Rotating Pelton Buckets Using Finite Volume Particle Method

Author:

Vessaz Christian1,Jahanbakhsh Ebrahim1,Avellan François1

Affiliation:

1. Laboratory for Hydraulic Machines, EPFL, Avenue de Cour 33bis, Lausanne 1007, Switzerland e-mail:

Abstract

The objective of the present paper is to perform numerical simulations of a high-speed water jet impinging on rotating Pelton buckets using the finite volume particle method (FVPM), which combines attractive features of smoothed particle hydrodynamics (SPH) and conventional grid-based finite volume. The particles resolution is first validated by a convergence study. Then, the FVPM results are validated with available measurements and volume of fluid (VOF) simulations. It is shown that the pressure field in the buckets inner wall is in good agreement with the experimental and numerical data and the evolution of the flow pattern matches the high-speed visualization.

Publisher

ASME International

Subject

Mechanical Engineering

Reference24 articles.

1. Mack, R., and Moser, W., 2002, “Numerical Investigation of the Flow in a Pelton Turbine,” 21st IAHR Symposium on Hydraulic Machinery and Systems, Lausanne, Switzerland, Sept. 9–12, pp. 373–378.

2. Flow Analysis Inside a Pelton Turbine Bucket;ASME J. Turbomach.,2006

3. Flow in a Pelton Turbine Bucket: Numerical and Experimental Investigations;ASME J. Fluids Eng.,2006

4. Volume of Fluid (VOF) Method for the Dynamics of Free Boundaries;J. Comput. Phys.,1981

5. Numerical Investigation of the Interaction Between Jet and Bucket in a Pelton Turbine;Proc. Inst. Mech. Eng., Part A,2009

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