Results 51 to 60 of about 255 (182)
Conservation Letters, Volume 18, Issue 1, January/February 2025.ABSTRACT Conservation investments do not operate within a zero‐sum paradigm, but instead provide opportunities for co‐benefits across sustainable development and conservation goals. Recognizing the interconnectedness of conservation efforts within socioenvironmental systems can amplify support for conservation actions, ultimately creating additional co‐
Luz A. de Wit +5 more
wiley +1 more source
Torque and Power Testing of the Pelton Turbine
Jurnal Teknik Mesin, 2021 Energy sources that can be renewed in Indonesia according to Asean energy sources, one of which is microhydro that uses water as a source of energy from a turbine. The potential energy of water is converted into kinetic energy in the nozzles. The water coming out of the nozzle that has a high speed hits the turbine blade.
Dedi Wardianto, Irwan Anwar, null Afdal
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Effect of sediment erosion on pressure pulsations in a large Pelton turbine
Energy Science & EngineeringPelton turbines functioning in sandy river environments often encounter difficulties due to the swift movement of sediment particles, leading to erosion and damage to overflow components.
Bing Yao +8 more
doaj +1 more source
International Journal of Energy Research, Volume 2025, Issue 1, 2025.This paper proposes innovative control schemes for Pelton turbines to improve frequency regulation in isolated power systems with high penetration of variable renewable energy sources (vRESs). Traditionally, Pelton turbine deflectors are used as safety mechanisms; however, this study explores their potential for continuous frequency regulation ...
José Ignacio Sarasua Moreno +4 more
wiley +1 more source
Addressing Freshwater Scarcity and Hydrogen Production: Offshore Wind and Reverse Osmosis Synergies
Advanced Sustainable Systems, Volume 8, Issue 12, December 2024.This work aims to use offshore wind power for reverse osmosis (RO) desalination and water electrolysis, producing green hydrogen. By incorporating a pressure exchanger (PX) to enhance energy recovery, improved efficiency and reduced operational costs are targeted.
Haris Ishaq, Curran Crawford
wiley +1 more source
A review on erosion of a Pelton turbine bucket
Journal of Physics: Conference Series, 2020 Abstract Hydro-power energy is the most efficient renewable energy sources in the world. India stands in the top ten hydropower generation countries list. Pelton turbine is a well-known hydropower extraction machine. The Pelton turbine buckets play an important role in the efficiency of the hydro turbine which is in continuous ...
H A Shah +4 more
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Investigation on unstable flow characteristics and energy dissipation in Pelton turbine
Engineering Applications of Computational Fluid MechanicsThe internal flow scale of a Pelton turbine is variable, and the interaction between the jet and the bucket has strong transient characteristics, resulting in an incomplete understanding of its internal vortex structure evolution and energy dissipation ...
Wenrui Fan, Longgang Sun, Pengcheng Guo
doaj +1 more source
Numerical prediction of Pelton turbine efficiency
IOP Conference Series: Earth and Environmental Science, 2010 This paper presents a numerical analysis of flow in a 2 jet Pelton turbine with horizontal axis. The analysis was done for the model at several operating points in different operating regimes. The results were compared to the results of a test of the model. Analysis was performed using ANSYS CFX-12.1 computer code.
D Jošt, P Mežnar, A Lipej
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Investigation of the Effects of the Jet Impingement Angle on Torque Generation at the Suction Surface of a Pelton Turbine Bucket [PDF]
Journal of Applied Fluid MechanicsThe performance of a Pelton turbine was investigated by means of an integrated numerical and experimental study that focused on the fluid dynamics associated with the bucket suction surface during the jet–bucket interactions.
Y. X. Liu +7 more
doaj +1 more source
A dam management problem with energy production as an optimal switching problem
Applied Stochastic Models in Business and Industry, Volume 40, Issue 6, Page 1596-1611, November/December 2024.Abstract We consider an optimal stochastic control problem for a dam. Electrical power production is operating under an uncertain setting for electricity market prices and water level which has to be kept under control. Indeed, the water level inside the basin cannot exceed a certain threshold for safety reasons, and at the same time cannot decrease ...
Etienne Chevalier +4 more
wiley +1 more source