Results 71 to 80 of about 1,560 (183)

Performance Optimization and Vortex Analysis of a Micro-Head Dual-Duct Hydraulic Turbine

Energies
In order to solve the technical bottlenecks of low efficiency and high starting flow velocity of traditional turbines in the area of development of micro-head hydropower resources, a new type of hydraulic turbine in which the dual-duct is used was ...
Xiaoliang Zhou, Zhong Liu, Shuyun Zou, Bo Yang, Zheqin Yu   +4 more
doaj   +1 more source

A Comparative Analysis of Distributor and Rotor Single Regulation Strategies for Low Head Mini Hydraulic Turbines

Energies
Tubular axial turbines (TATs) play a crucial role in mini and micro hydropower setups that require simplified yet reliable solutions. In very low head scenarios, single regulation in TATs is common, due to economic impracticality of the sophisticated ...
Dario Barsi, Francesca Satta, Marina Ubaldi, Pietro Zunino   +3 more
doaj   +1 more source

Design of a Simplified Experimental Test Case to Study Rotor–Stator Interactions in Hydraulic Machinery

Energies
Because of the introduction of significant amounts of electricity from intermittent energy, such as solar and wind, on power grids, hydraulic turbines undergo more transient operation with varying rotation speeds.
Benoit Dussault, Yves St-Amant, Sébastien Houde   +2 more
doaj   +1 more source

Load Prediction Control Study of a Pitch Control System for Large Offshore Wind Turbines

Applied Sciences
In recent years, the global demand for renewable energy has been steadily increasing, and offshore wind power generation technology has thus developed rapidly, with the optimization of the performance of the pitch control system, as a key technology to ...
Xuewei Wang, Shibo Liu, Jianghui Chen, Xiangdong Kong, Chao Ai, Gexin Chen   +5 more
doaj   +1 more source

Review of the Uses of Acoustic Emissions in Monitoring Cavitation Erosion and Crack Propagation

Foundations
Nowadays, hydropower plants are being used to compensate for the variable power produced by the new fluctuating renewable energy sources, such as wind and solar power, and to stabilise the grid.
Ismael Fernández-Osete, David Bermejo, Xavier Ayneto-Gubert, Xavier Escaler   +3 more
doaj   +1 more source

Sensor-Based Optimized Control of the Full Load Instability in Large Hydraulic Turbines. [PDF]

Sensors (Basel), 2018
Presas A, Valentin D, Egusquiza M, Valero C, Egusquiza E.   +4 more
europepmc   +1 more source

Silt erosion and cavitation impact on hydraulic turbines performance: An in-depth analysis and preventative strategies. [PDF]

Heliyon
Kashyap T, Thakur R, Ngo GH, Lee D, Fekete G, Kumar R, Singh T.   +6 more
europepmc   +1 more source

Correction: A theoretical model for predicting the startup performance of pumps as turbines. [PDF]

Sci Rep
Zhang YL, Zhao YJ, Zhu ZC.
europepmc   +1 more source

Stability and parameter sensitivity analysis of hydropower units under full operating conditions based on Pelton turbine refined models. [PDF]

Sci Rep
Xu R, Li C, Tan X, Wang H, Zhu Z.
europepmc   +1 more source

Advancing sustainable thermal power plants: A thermodynamic-based condition monitoring model for control valves in gas turbines under thermal fluctuations. [PDF]

Sci Rep
Hossein MA, Yunusa-Kaltungo A, Mostafa NA.   +2 more
europepmc   +1 more source