Results 91 to 100 of about 2,334 (218)

Time-dependent properties of fiber composites for energy-storage flywheels [PDF]

, 1977
Time-dependent deformation and time-dependent strength are being characterized for several candidate polymeric composites for flywheels. This presentation highlights the motivation and the philosophy of the characterization adopted by the authors in ...
Wu, E.M., Penn, L.S.
core  

Mechanical design of flywheels for energy storage: A review with state-of-the-art developments

, 2019
For years, engineers and designers have capitalized on electrochemical batteries for long-term energy storage, which can only last for a finite number of charge–discharge cycles.
Dragoni, Eugenio
core   +2 more sources

Selection of test methods to examine the fracture mechanics of carbon fibre composite flywheels

, 2014
Flywheels are devices that can store energy in the form of kinetic energy whilst allowing for high charge and discharge rates and providing a high efficiency.
Lenz, J., Blackman, B. R.K., Morgan, R., Taylor, A.C., Crua, C.   +4 more
core  

Motor Control of Two Flywheels Enabling Combined Attitude Control and Bus Regulation [PDF]

, 2004
This presentation discussed the flywheel technology development work that is ongoing at NASA GRC with a particular emphasis on the flywheel system control. The "field orientation" motor/generator control algorithm was discussed and explained.
Kenny, Barbara H.
core  

A Comparison of Flywheels and Batteries as a Solution for Energy Instability

, 2016
Electrical instability is one of the main issues that the modern electrical grid faces today. This instability affects a number of different sectors that rely on constant uninterruptable power to function.
Kelly, Evan, Ambrose, Michael, Harris, Justin, Sun, Ian   +3 more
core   +3 more sources

High-Speed Kinetic Energy Storage System Development and ANSYS Analysis of Hybrid Multi-Layered Rotor Structure

Applied Sciences
Flywheel energy storage systems (FESSs) can reach much higher speeds with the development of technology. This is possible with the development of composite materials.
Cenk Yangoz, Koray Erhan
doaj   +1 more source

On Flywheel Batteries

, 2023
Energy storage systems improves electrical system efficiency during supply and demand imbalances, enhancing network stability and quality. They mitigate the intermittency of renewable generation and provide system flexibility. Flywheel energy storage systems (FESS) have attracted considerable interest due to their advantages: high cycle and operational
Spakmo, Jo Emil, Langelid, Magnus
openaire   +1 more source

Flywheel Energy Storage for Ancillary Services: A Novel Design and Simulation of a Continuous Frequency Response Service for Energy Limited Assets

IEEE Open Access Journal of Power and Energy
With National Grid ESO introducing a suite of new Frequency Response Services for the GB electricity market, there is an opportunity to investigate the ability of low-energy capacity storage systems to participate in the frequency response market.
Andrew J. Hutchinson, Daniel T. Gladwin
doaj   +1 more source

Equivalence partition based morphological similarity clustering for large-scale time series. [PDF]

Sci Rep, 2023
Hu S.
europepmc   +1 more source

Composite Flywheels Assessed Analytically by NDE and FEA [PDF]

, 2000
As an alternative to expensive and short-lived lead-acid batteries, composite flywheels are being developed to provide an uninterruptible power supply for advanced aerospace and industrial applications.
Abdul-Aziz, Ali, Baaklini, George Y.
core