Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Panagiotis Alevras"'
Autor:
Maria-Styliani Daraki, Konstantinos Marakakis, Panagiotis Alevras, Georgia A. Foutsitzi, Georgios E. Stavroulakis
Publikováno v:
Energies, Vol 17, Iss 10, p 2420 (2024)
Many countries have a variety of offshore and onshore wind turbines that face extreme aging challenges. Issues with harmful vibrations that must be minimized are addressed in this paper. A new method of wind turbine tower vibration control using piez
Externí odkaz:
https://doaj.org/article/cecd69dcac3d41a380ff04af3c09633c
Conceptual Design of a Floating Modular Energy Island for Energy Independency: A Case Study in Crete
Autor:
Ika Kurniawati, Beatriz Beaumont, Ramon Varghese, Danka Kostadinović, Ivan Sokol, Hassan Hemida, Panagiotis Alevras, Charalampos Baniotopoulos
Publikováno v:
Energies, Vol 16, Iss 16, p 5921 (2023)
This paper aims to investigate the development of a floating artificial sustainable energy island at a conceptual design level that would enhance the energy independence of islands focusing on a case study on the island of Crete. This paper provides
Externí odkaz:
https://doaj.org/article/49b0315a77514084a7a6d828b764d788
Autor:
Brett Friskney, Panagiotis Alevras, Sourabh Londhe, Stephanos Theodossiades, Donald Michael McFarland
Publikováno v:
Applied Sciences, Vol 12, Iss 13, p 6778 (2022)
Nonlinear energy sinks (NES) have recently attracted significant interest for the suppression of unwanted vibrations in a variety of mechanical systems. The key advantage in employing this (vibration absorber) approach is the broadband nature of the
Externí odkaz:
https://doaj.org/article/185dbfcf3e254b6fb23e2fbafa30b9ff
Publikováno v:
Energies, Vol 14, Iss 22, p 7536 (2021)
Wind power is a substantial resource to assist global efforts on the decarbonization of energy. The drive to increase capacity has led to ever-increasing blade tip heights and lightweight, slender towers. These structures are subject to a variety of
Externí odkaz:
https://doaj.org/article/f5c00c9760004661a559e127f6016be9
The paper investigates a nonlinear vibration mitigation strategy of a variable length pendulum subjected to a harmonic external excitation. A nonlinear absorber in a form of a tri-pendulum system is used to reduce the response of the primary pendulum
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d83246c1e9873762d4e18393086649e
https://eprints.soton.ac.uk/474731/
https://eprints.soton.ac.uk/474731/
Publikováno v:
Nonlinear Dynamics. 100:33-49
Recent developments in propulsion systems to improve energy efficiency and reduce hazardous emissions often lead to severe torsional oscillations and aggravated noise. Vibration absorbers are typically employed to palliate the untoward effects of pow
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe2b31631d75579fa0c0e54dd3229e9f
https://doi.org/10.1007/s11071-020-05502-z
https://doi.org/10.1007/s11071-020-05502-z
Publikováno v:
Simulation Modelling Practice and Theory. 123:102711
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e446c65e3e45b533d4781fcb5ab4391
https://doi.org/10.1016/j.simpat.2022.102711
https://doi.org/10.1016/j.simpat.2022.102711
Autor:
Lucas Q. Machado, Panagiotis Alevras, Dmitri Tcherniak, Junlei Wang, Shengxi Zhou, Daniil Yurchenko
Publikováno v:
Energy Conversion and Management. 270:116257
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b49edc7d5ccb6f425653a9c8e45523c3
https://doi.org/10.1016/j.enconman.2022.116257
https://doi.org/10.1016/j.enconman.2022.116257
Autor:
Panagiotis Alevras
Publikováno v:
ASCE-ASME J Risk and Uncert in Engrg Sys Part B Mech Engrg. 7
Vibration energy harvesting (VEH) is a promising alternative for powering wireless electronics in many practical applications. Ambient vibration energy in the surrounding space of a target application often involves an inescapable randomness in the e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe53b28a263d370579e3fcd1ec9fae6e
https://doi.org/10.1115/1.4049209
https://doi.org/10.1115/1.4049209
Autor:
Panagiotis Alevras, Daniil Yurchenko
Publikováno v:
Mechanical Systems and Signal Processing. 99:504-515
The paper investigates the dynamics of a novel wave energy converter based on the parametrically excited pendulum. The herein developed concept of the parametric pendulum allows reducing the influence of the gravity force thereby significantly improv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9edfc1b7f02dc0545e24108f88a7079
https://doi.org/10.1016/j.ymssp.2017.06.026
https://doi.org/10.1016/j.ymssp.2017.06.026