Results 41 to 50 of about 2,574 (142)

CFD Modelling of a Pump as Turbine (PAT) with Rounded Leading Edge Impellers for Micro Hydro Systems

open access: yesMATEC Web of Conferences, 2017
A Pump as Turbine (PAT) is one of micro hydro system components that is used to substitute a commercially available turbine due to its wide availability and low acquisition cost.
Ismail Mohd Azlan   +2 more
doaj   +1 more source

Numerical study of the influence of blade inlet design parameters on the internal flow characteristics and energy performance of a Francis turbine

open access: yesAIP Advances, 2023
One of the challenges of hydraulic turbine design is the creation of a conveyor with high hydraulic performance in accordance with the parameters of the hydraulic energy.
Xiaoming Chen   +4 more
doaj   +1 more source

Application of Circular Economy Principles to Power Generation: Extending the Life of A Hydropower Plant by Pumped Hydro Energy Storage

open access: yesSustainable Development, EarlyView.
ABSTRACT The application of circular economy, which aims to maximize efficiency and reduce waste, to renewable energy sources necessitates, given the intermittent nature of the latter, robust energy storage solutions to ensure grid stability and avoid wasting energy.
Ó. Martín‐Llorente   +4 more
wiley   +1 more source

Toward Enhanced Safety Management in Wave Energy Power Plant Construction Projects: FMEA and HAZOP Combination

open access: yesSafety Science and Technology, EarlyView.
Consolidated FMEA–HAZOP safety management framework for WEC construction projects. ABSTRACT This study presents an advanced safety management framework for “Wave Energy Converter” (WEC) projects, addressing the inherent uncertainty, technological complexity, and environmental exposure of offshore renewable energy systems.
Panagiotis K. Marhavilas   +4 more
wiley   +1 more source

Valve exploiting the principle of a side channel turbine

open access: yesEPJ Web of Conferences, 2017
The article deals with a side channel turbine, which can be used as a suitable substitute for a pressure reducing valve. Reducing valves are a source of hydraulic losses. The aim is to replace them by a side channel turbine.
Jandourek Pavel   +3 more
doaj   +1 more source

INVESTIGATION OF THE EFFECTS OF NUMBER OF BLADES ON THE PERFORMANCE OF CROSS-FLOW TURBINE USING STAR CCM+

open access: yesPolytechnic Journal, 2017
Virtual hydraulic turbine method has become a very powerful technique to capture minor details of the flow which are impossible in the physical model testing and overcome the limitations of the physical laboratory setup; therefore, the current study ...
Saeed R. Yassen
doaj   +1 more source

Research on a power smoothing control strategy for energy storage hydraulic wind turbines

open access: yesEnergy 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
doaj   +1 more source

Empirical Physics‐Based Normal Behavior Modeling of Drive Train Temperatures With High‐Resolution Wind Turbine Operating Data

open access: yesWind Energy, EarlyView.
ABSTRACT The installed wind energy capacity increases every year. However, operation and maintenance costs still make up a considerable portion of the levelized costs of electricity. This costs can be greatly reduced by the application of suitable early fault detection methods. The supervisory control and data acquisition system of wind turbines is one
Timo Lichtenstein   +2 more
wiley   +1 more source

AI‐enabled bumpless transfer control strategy for legged robot with hybrid energy storage system

open access: yesCAAI Transactions on Intelligence Technology, EarlyView.
Abstract Designing Hybrid energy storage system (HESS) for a legged robot is significant to improve the motion performance and energy efficiency of the robot. However, switching between the driving mode and regenerative braking mode in the HESS may generate a torque bump, which has brought significant challenges to the stability of the robot locomotion.
Zhiwu Huang   +6 more
wiley   +1 more source

Review on the performance of crossflow hydraulic turbine for local power generation: Fundamentals and applications

open access: yesNext Energy
This article reviews theoretical, numerical, and experimental studies on the performance of crossflow hydraulic turbine for local renewable power generation from rivers and open channels.
Nobuyuki Fujisawa   +2 more
doaj   +1 more source

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