Zobrazeno 1 - 10
of 92
pro vyhledávání: '"Carme Valero"'
Autor:
Serdar Kadam, Wolfgang Hofbauer, Stefan Lais, Magdalena Neuhauser, Erich Wurm, Luisa Fernandes Lameiro, Yves-Marie Bourien, Grégory Païs, Jean-Louis Drommi, Christophe Nicolet, Christian Landry, Matthieu Dreyer, Carme Valero, Alexandre Presas, David Valentin
Publikováno v:
Energies, Vol 16, Iss 13, p 5074 (2023)
In the XFLEX HYDRO Vogelgrun demonstrator, a run-of-river hydropower plant, the hybridization of one turbine-generator unit with a battery energy storage system is being investigated. This paper describes the integration methodology of the hybrid con
Externí odkaz:
https://doaj.org/article/38e024e91ae14944b8eb8e890325edc8
Publikováno v:
Applied Sciences, Vol 12, Iss 13, p 6708 (2022)
To prevent lifetime shortening and premature failure in turbine runners, it is of paramount importance to analyse and understand its dynamic response and determine the factors that affect it. In this paper, the dynamic response of a Kaplan runner is
Externí odkaz:
https://doaj.org/article/9c9beaaecbe34421ab43317cabdaf13c
Publikováno v:
Energies, Vol 14, Iss 20, p 6669 (2021)
Runner and distributor blockages in hydraulic turbines occur due to the ingestion of external bodies such as rocks or logs. These obstructions can change the amplitude and uniformity of the pressure pulsations in the machine, creating large unbalance
Externí odkaz:
https://doaj.org/article/549e0230e05d46fb9551933592598eba
Publikováno v:
Sensors, Vol 14, Iss 7, Pp 11919-11942 (2014)
In this paper, PZT actuators are used to study the dynamic behavior of a rotating disk structure due to rotor-stator interaction excitation. The disk is studied with two different surrounding fluids—air and water. The study has been performed analy
Externí odkaz:
https://doaj.org/article/3da3261a05f747f098c0cf08a5bd36b1
Publikováno v:
Applied Sciences, Vol 9, Iss 18, p 3864 (2019)
Determining the natural frequencies and mode shapes of rotating turbomachinery components from both rotating and stationary reference frames is of paramount importance to avoid resonance problems that could affect the normal operation of the machine,
Externí odkaz:
https://doaj.org/article/1beed279e4a0418ab7e85c1019dc387b
Publikováno v:
Sensors, Vol 19, Iss 18, p 4053 (2019)
Nowadays, hydropower is demanded to provide flexibility and fast response into the electrical grid in order to compensate the non-constant electricity generation of other renewable sources. Hydraulic turbines are therefore demanded to work under off-
Externí odkaz:
https://doaj.org/article/f1effa0999da49ddaca977f41e50834e
Publikováno v:
Energies, Vol 6, Iss 10, Pp 5069-5087 (2013)
Free convection is the most often used method in order to reduce solar load gains on a building with double glazed façades (DGFs). However, depending on the climate factors, the thermal performance of a DGF may not be satisfactory and extra energy c
Externí odkaz:
https://doaj.org/article/2f1c5fb24c9c415ea63c07147b9395de
Publikováno v:
Energies, Vol 11, Iss 7, p 1630 (2018)
Crack appearance in the blade is the most common type of fatigue damage in Francis turbines. However, it is sometimes difficult to detect cracks in time using the current monitoring system, even when they are very large. To better monitor cracks, it
Externí odkaz:
https://doaj.org/article/86e45dd66651466d90700f9bb1430c5c
Publikováno v:
Applied Sciences, Vol 8, Iss 3, p 451 (2018)
One of the main causes of damage in hydraulic turbines is cavitation. While not all cavitation appearing in a turbine is of a destructive type, erosive cavitation can severely affect the structure, thus increasing maintenance costs and reducing the r
Externí odkaz:
https://doaj.org/article/df231aae65244602bb091a8c338a3454
Publikováno v:
Sensors, Vol 18, Iss 4, p 1038 (2018)
Hydropower plants are of paramount importance for the integration of intermittent renewable energy sources in the power grid. In order to match the energy generated and consumed, Large hydraulic turbines have to work under off-design conditions, whic
Externí odkaz:
https://doaj.org/article/e4790ef0aabd4019acb3f888f65715e5