Results 11 to 20 of about 1,516 (227)
Research on a power smoothing control strategy for energy storage hydraulic wind turbines
Energy Science & Engineering, 2023 To solve the problem of large output power fluctuations in wind turbines and improve grid adaptability, a hydraulic energy storage system is introduced in traditional hydraulic wind turbines.
Wei Gao +4 more
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Convolutional Neural Network Identification of Stall Flow Patterns in Pump–Turbine Runners
Energies, 2022 Stall flow patterns occur frequently in pump turbines under off-design operating conditions. These flow patterns may cause intensive pressure pulsations, sudden increases in the hydraulic forces of the runner, or other adverse consequences, and are some ...
Junjie Wu, Xiaoxi Zhang
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Comprehensive Review of Pump as Turbine
Renewable Energy and Sustainable Development, 2019 The turbine is a heart of power generation in a hydro-electric power system. A variety of different turbines are available for the purpose. The common types of Hydraulic turbines are; Pelton, cross flow, Francis, Kaplan, and propeller turbine.
Abdulbasit Nasir Jemal +1 more
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Shock and Vibration, 2014 Current trends in design of pump-turbines have led into higher rotor-stator interaction (RSI) loads over impeller-runner. These dynamic loads are of special interest having produced catastrophic failures in pump-turbines.
Cristian G. Rodriguez +2 more
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Journal of Marine Science and Engineering, 2023 Runaway is a common phenomenon in pump-turbines for hydropower and ocean power, accompanied by strong instability, which can easily lead to accidents.
Di Zhu +4 more
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Extension of Operating Range in Pump-Turbines. Influence of Head and Load
Energies, 2017 Due to the increasing share of new renewable energies like wind and solar in the generation of electricity the need for power regulation and energy storage is becoming of paramount importance.
Carme Valero +5 more
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Researches regarding primary control in hydraulic systems
MATEC Web of Conferences, 2017 The technology in wind turbines has developed very rapidly but there are still a lot that can be improved also regarding new technologies. One example is wind turbine with hydraulic transmission.
Tița Irina, Mardare Irina
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A Laminar Flow-Based Microfluidic Tesla Pump via Lithography Enabled 3D Printing
Sensors, 2016 Tesla turbine and its applications in power generation and fluid flow were demonstrated by Nicholas Tesla in 1913. However, its real-world implementations were limited by the difficulty to maintain laminar flow between rotor disks, transient efficiencies
Mohammed-Baker Habhab +2 more
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Energies, 2023 Transient processes that occur in pumped storage power plants can cause high-pressure conditions, which in turn can result in vibrations in the pump–turbine structure and even damage to structural components.
Xilong Yin +4 more
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Advances in Mechanical Engineering, 2016 For pump–turbines, most of the instabilities couple with high-level pressure fluctuations, which are harmful to pump–turbines, even the whole units. In order to understand the causes of pressure fluctuations and reduce their amplitudes, proper numerical ...
De-You Li +5 more
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