State of the art in numerical modeling of Pelton turbines

Zidonis, Audrius and Aggidis, George (2015) State of the art in numerical modeling of Pelton turbines. Renewable and Sustainable Energy Reviews, 45. pp. 135-144. ISSN 1364-0321

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Pelton turbine (or Pelton wheel) is among the most efficient impulse turbines and has retained its existence in hydropower for well over a century. However unlike in the development of the reaction turbines, where Computational Fluid Dynamics (CFD) have been successfully applied for more than 20 years now, up until recently it was not feasible to perform CFD analysis of Pelton turbines due to the nature of the flow which is much more complex than in the reaction turbines. The recent developments in CFD models and tools together with the continuous increase in computational resource are bringing the CFD modelling up to a level suitable for industrial applications in development of Pelton turbines. Current published research in the field worldwide can be divided into two distinct branches of CFD models: the Eulerian specification of flow field, which tends to be more accurate, but also more computationally expensive, and the Lagrangian specification which is known to be less computationally demanding, however to date it cannot compete with Eulerian specification in terms of accuracy. This review paper is aiming at establishing the state of the art in numerical modeling of Pelton Turbines and would serve as guidance when choosing the optimum CFD modeling methodology and software available.

Item Type:
Journal Article
Journal or Publication Title:
Renewable and Sustainable Energy Reviews
Uncontrolled Keywords:
?? renewable energyhydropowerpelton turbinenumerical modellingcomputational fluid dynamicsoptimisationrenewable energy, sustainability and the environment ??
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Deposited On:
09 Jan 2015 10:23
Last Modified:
15 Jul 2024 14:58