Results 31 to 40 of about 530,276 (222)
Energies, 2022 It is not uncommon for pump-turbine units in pumped storage power plants to experience load rejections due to the sudden disconnection of the generator from the power grid.
Xingxing Huang +7 more
doaj +1 more source
Correction of High Vibration on a Vertical Turbine Deep Well Pump with a Dynamic Vibration Absorber [PDF]
, 2018 Case StudyA 100 horsepower, 180 foot deep vertical turbine pump called #12 Well Pump had a history of reoccurring high vibration despite multiple pump rebuilds and motor replacements.
Bryant, Benjamin, Moll, Matthew
core +1 more source
Measuring the Dynamic Characteristics of a Low Specific Speed Pump—Turbine Model
Energies, 2016 This paper presents results from an experiment performed to obtain the dynamic characteristics of a reversible pump-turbine model. The characteristics were measured in an open loop system where the turbine initially was run on low rotational speed before
Eve Cathrin Walseth +2 more
doaj +1 more source
Complexity, 2020 Energy contributes significantly in almost all aspects of human life as well as economic activities and plays a crucial role in the infrastructural development of a county to alleviate poverty.
Du Jianguo +4 more
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Development Of An Advanced Gas Turbine Driven High-Speed Centrifugal Pump For Injection Services
, 1986 Lecturepg. 77The high-speed centrifugal pump dealt with herein has been designed principally for applications in high-pressure injection for enhanced oil recovery.
Ross, Robert T., Benvenuti, Erio
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Selective hydrometallurgical recovery of gold by using low-cost biomass waste: Kiwi peel
Adsorption Science & TechnologyUtilization of kiwi peel (KP) is proposed for gold recovery from electronic wastes (e-wastes). KP was simply modified by dehydration pretreatment with concentrated sulfuric acid.
Dan Yu, Xiaomei Guo, Yang Liu
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Biodegradable and Biocompatible Functional Polymers for Biomedical Applications
Advanced Functional Materials, EarlyView.Biodegradable and biocompatible functional polymers integrate electrical, mechanical, and stimuli‐responsive functionalities while enabling programmed degradation under physiological conditions. This review introduces recent advances in conductive, shape‐memory, self‐healing, photocurable, and adhesive polymer systems, emphasizing material design ...
Won Bae Han +5 more
wiley +1 more source
Waveguide Photoactuators: Materials, Fabrication, and Applications
Advanced Robotics Research, EarlyView.Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi +4 more
wiley +1 more source
Transient Flow-Induced Stress Investigation on a Prototype Reversible Pump–Turbine Runner
EnergiesPump–turbine units with high heads are subjected to strong pressure pulsations from the unsteady transient flow in fluid channels, which can produce severe vibrations and high stresses on the pump–turbine structural components.
Dehao Zhang +5 more
doaj +1 more source
International Journal of Rotating Machinery, 2018 In this study, a counter-rotating-type pump-turbine unit was optimized to improve the pump and turbine mode efficiencies simultaneously. Numerical analysis was carried out by solving three-dimensional Reynolds-averaged Navier–Stokes equations using the ...
Jin-Woo Kim +5 more
doaj +1 more source