Hydro-abrasive erosion of hydraulic turbines caused by sediment-a century of research and development

D Felix, I Albayrak, A Abgottspon… - IOP Conference Series …, 2016 - iopscience.iop.org
Hydro-abrasive erosion of hydraulic turbines is an economically important issue due to
maintenance costs and production losses, in particular at high-and medium-head run-of …

[PDF][PDF] Experimental investigation on suspended sediment, hydro-abrasive erosion and efficiency reductions of coated Pelton turbines

D Felix - VAW-Mitteilungen, 2017 - research-collection.ethz.ch
Medium-and high-head hydropower plants (HPPs) often feature Pelton turbines. For very
high-heads above some 800 meters, this turbine type is practically the one and only …

Toward design optimization of a Pelton turbine runner

C Vessaz, L Andolfatto, F Avellan… - Structural and …, 2017 - Springer
The objective of the present paper is to propose a strategy to optimize the performance of a
Pelton runner based on a parametric model of the bucket geometry, massive particle based …

Development of a finite volume particle method for 3-D fluid flow simulations

E Jahanbakhsh, C Vessaz, A Maertens… - Computer Methods in …, 2016 - Elsevier
Abstract The Finite Volume Particle Method (FVPM) is a meshless method for simulating
fluid flows which includes many of the desirable features of mesh-based finite volume …

Flow simulation of jet deviation by rotating Pelton buckets using finite volume particle method

C Vessaz, E Jahanbakhsh… - Journal of Fluids …, 2015 - asmedigitalcollection.asme.org
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) …

GPU-accelerated 3-D finite volume particle method

S Alimirzazadeh, E Jahanbakhsh, A Maertens… - Computers & …, 2018 - Elsevier
In previous works (Jahanbakhsh et al., CMAME 298 (2016): 80–107, Jahanbakhsh et al.,
CMAME 317 (2017): 102–127; see [1] and [2]), the authors introduced SPHEROS, a 3-D …

Exact finite volume particle method with spherical-support kernels

E Jahanbakhsh, A Maertens, NJ Quinlan… - Computer Methods in …, 2017 - Elsevier
Abstract The Finite Volume Particle Method (FVPM) is a meshless method for simulating
fluid flows which includes many of the desirable features of mesh-based finite volume …

Direct Flux via Virtual Faces (DFVF-overset): Interpolation-free, conservative, overset CFD using a generalised finite volume method

J Devlin, D Chandar, NJ Quinlan - Computers & Fluids, 2023 - Elsevier
We present DFVF-overset (Direct Flux via Virtual Faces), a conservative overset scheme
based on a general form of the finite volume method, originally derived for a meshless …

Numerical investigation of the jet velocity profile and its influence on the Pelton turbine performance

T Kumashiro, S Alimirzazadeh… - … Series: Earth and …, 2019 - iopscience.iop.org
Numerical investigation of the unsteady flow patterns around the bucket can be helpful to
improve the Pelton turbine efficiency. In fact, by studying the loss mechanisms in the flow …

Application of particle-based numerical analysis to the practical design of Pelton turbine

T Kumashiro, S Alimirzazadeh… - IOP Conference Series …, 2021 - iopscience.iop.org
For the design optimization of the Pelton turbine, it is highly demanded to investigate the
flow inside the turbine casing, which includes the water jet from the nozzles, the interaction …