Results 31 to 40 of about 18,543 (271)
CFD Modelling of Pump as Turbine with Various Number of Blade for Microhydro System
Journal of Applied Science & Process Engineering, 2016 Pump as Turbine is an electromechanically component that is largely used in microhydro system. The main advantages of pump as turbine compared to commercially available turbines are lower cost, easier to maintain and readily available. These key features
Mohd Azlan Ismail Ismail +3 more
doaj +1 more source
Complexity, 2021 Using a pump in reverse mode as a hydraulic turbine remains an alternative for hydropower generation in meeting energy needs, especially for the provision of electricity to remote and rural settlements.
Du Jianguo +5 more
doaj +1 more source
Numerical Analysis on the Hydraulic Thrust and Dynamic Response Characteristics of a Turbine Pump
Energies, 2022 Pumps as turbines are widely used in the world, wherein the hydraulic thrust of a turbine pump is one of the key factors affecting the safe and stable operation of a unit.
Linghua Kong +10 more
doaj +1 more source
Numerical Simulation of Axial Vortex in a Centrifugal Pump as Turbine with S-Blade Impeller
, 2020 Pump as turbines (PATs) are widely applied for recovering the dissipated energy of high-pressure fluids in several hydraulic energy resources. When a centrifugal pump operates as turbine, the large axial vortex occurs usually within the impeller flow ...
Wang Xiaohui +3 more
semanticscholar +1 more source
Frontiers in Energy Research, 2023 The unsteady flow characteristics of pump as hydraulic turbine play a vital role in its safe and stable operation, while the ultra-low specific-speed centrifugal pump may face more stability problems due to the limitations of its flow conditions under ...
Yangyang Wei +3 more
doaj +1 more source
Design of Pump as Turbine Experimental Test Facility [PDF]
MATEC Web of Conferences, 2017 This paper presents the design process of experimental test facility for pump as turbine hydropower system. Three design possibilities that related to the PAT condition of operation was developed and analyzed by using CFD Software. It is found that the First Variant with a straight flow to the PAT will produce higher velocity, which is needed to ...
Zariatin D. L. +3 more
openaire +2 more sources
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
Applied Sciences, 2019 Complete characteristic curves of a pump turbine are fundamental for improving the modeling accuracy of the pump turbine in a pump turbine governing system.
Chu Zhang +4 more
doaj +1 more source
CFD Analysis on Pumps Working as Turbines
Hydro Nepal: Journal of Water, Energy and Environment, 1970 Reverse running centrifugal pumps are an effective source of reducing the equipment cost in small hydropower plants. The manufacturers do not provide any information on the performance and fow characteristics when pumps are operated in turbine mode.
Anoop Thakur +2 more
openaire +2 more sources
Advanced Science, EarlyView.Graphene‐skinned alumina fiber (GAF) is a new composite with graphene conformally grown on individual alumina fibers via chemical vapor deposition (CVD). GAF's dynamic, continuous and scalable production is achieved by using a home‐made roll‐to‐roll (RTR) CVD system featuring integrated degumming and growth chambers. GAF possesses tunable conductivity,
Xiaobai Wang +13 more
wiley +1 more source