Results 31 to 40 of about 1,802 (172)
EnergiesWave energy has a high energy density and strong predictability, presenting encouraging prospects for development. So far, there are dozens of different wave energy devices (WECs), but the mechanism that ultimately converts wave energy into electrical ...
Fengmei Jing +4 more
doaj +2 more sources
Discrete Displacement Hydraulic Power Take-Off System for the Wavestar Wave Energy Converter
Energies, 2013 The Wavestar Wave Energy Converter (WEC) is a multiple absorber concept, consisting of 20 hemisphere shaped floats attached to a single platform. The heart of the Wavestar WEC is the Power Take-Off (PTO) system, converting the wave induced motion of the ...
Enrique Vidal +2 more
doaj +2 more sources
Modeling Innovative Power Take-Off Based on Double-Acting Hydraulic Cylinders Array for Wave Energy Conversion [PDF]
Energies, 2015 One of the key systems of a Wave Energy Converter for extraction of wave energy is the Power Take-Off (PTO) device. This device transforms the mechanical energy of a moving body into electrical energy.
Juan Carlos Antolín-Urbaneja +5 more
doaj +2 more sources
Assembled PTO based on an array of double-acting hydraulic cylinders for WECs: From Conceptual Design to an Adjusted Detailed Model [PDF]
, 2015 All Wave Energy Converters (WECs) based on wave activated bodies comprises a Power Take- Off (PTO) system among other subsystems like the reaction mechanism, the supervisor of the system and the electrical generator. One of the most applied PTO systems consists of oil high pressure hydraulic devices.
Antolín-Urbaneja, Juan Carlos +5 more
openaire +2 more sources
Pest Management Science, Volume 79, Issue 11, Page 4423-4438, November 2023., 2023 The spray mixture residual amount in the tank affects its temperature increase rate. Only temperatures >35 C° were detrimental for BCAs. BCA viability is affected mostly by thermal rather than mechanical stress. Abstract Background In order to improve the biological control agent (BCA) efficacy, stress factors threatening the viability of ...
Marco Grella +10 more
wiley +1 more source
Journal of Marine Science and Engineering, 2023 The wave-energy excitation of point absorbers is highly associated with their resonant movement, and harmonic characteristics are of increasing concern in affecting resonance.
Yang Yi +6 more
doaj +1 more source
The contribution of low‐head pumped hydro storage to grid stability in future power systems
IET Renewable Power Generation, Volume 17, Issue 14, Page 3594-3608, 26 October 2023., 2023 The low‐head PHS system developed in ALPHEUS project will introduce a new storage system. This system will serve as new flexibility option contributing to the security of supply and grid stability with the advantage to provide vital ancillary services, specially frequency control, and thus, promoting the energy transition in the EU.
Mohammed Qudaih +13 more
wiley +1 more source
IET Cyber-Systems and Robotics, Volume 5, Issue 3, September 2023., 2023 Abstract Modern agricultural tractors are complex systems, in which multiple physical (and technological) domains interact to reach a wide set of competing goals, including work operational performance and energy efficiency. This complexity translates to the dynamic, multi‐domain simulation models implemented to serve as digital twins, for rapid ...
Massimo Martelli +5 more
wiley +1 more source
GAMM-Mitteilungen, Volume 46, Issue 2, June 2023., 2023 Abstract Dielectric elastomers are a promising technology for wave energy harvesting. An optimal system operation can allow maximizing the extracted energy and, simultaneously, reducing wear that would lead to a reduction in the wave harvester lifetime.
Matthias K. Hoffmann +4 more
wiley +1 more source
Enhancing Thermo‐Osmotic Low‐Grade Heat Recovery by Applying a Negative Pressure to the Feed
Global Challenges, Volume 7, Issue 4, April 2023., 2023 Thermo‐osmotic energy conversion is supposed to convert low‐grade heat into power. The efficiency can be improved by applying negative pressure to the feed liquid. The theoretical calculation, computational fluid dynamics simulation, and experiments are carried out to verify the method.
Yifan Zhang +4 more
wiley +1 more source