Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Raluca Gabriela Iovanel"'
Publikováno v:
Energies, Vol 15, Iss 14, p 5072 (2022)
Hydropower plants often work in off-design conditions to regulate the power grid frequency. Frequent transient operation of hydraulic turbines leads to premature failure, fatigue and damage to the turbine components. The speed-no-load (SNL) operating
Externí odkaz:
https://doaj.org/article/8a6ec6df34a64c5a95f54c07706b81d0
Publikováno v:
Energies, Vol 15, Iss 11, p 4121 (2022)
The role of hydropower has become increasingly essential following the introduction of intermittent renewable energies. Quickly regulating power is needed, and the transient operations of hydropower plants have consequently become more frequent. Larg
Externí odkaz:
https://doaj.org/article/f17eab3e63de4211ad0fa5995080f2f2
Publikováno v:
Journal of Applied Fluid Mechanics. 12:1449-1461
This paper investigates the accuracy of Reynolds-averaged Navier-Stokes (RANS) turbulence modelling applied to complex industrial applications. In the context of the increasing instability of the e ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7ffcd6622f436f86c48bd28ec2dba5c
https://doi.org/10.29252/jafm.12.05.29704
https://doi.org/10.29252/jafm.12.05.29704
Publikováno v:
Journal of Applied Fluid Mechanics. 12:1463-1473
The aim of the paper is to investigate the limitations of unsteady Reynolds-averaged Navier-Stokes (RANS) simulations of the flow in an axial turbine. The study is focused on modelling the pressure ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46950359dddc0b8835142b08c08f3ca8
https://doi.org/10.29252/jafm.12.05.29705
https://doi.org/10.29252/jafm.12.05.29705
Autor:
Sanda-Carmen Georgescu, Costin Ioan Cosoiu, Alina Alexandrina Nicolae, Diana Maria Bucur, Raluca Gabriela Iovanel
Publikováno v:
Energy Procedia. 112:51-57
This paper focuses on the Cooling Water System (CWS) of Vidraru Hydro-Power Plant (HPP) − a 220 MW underground HPP, on the Arges River in Romania. It is equipped with 4 high head vertical Francis turbines of 55 MW each, 4 hydropower generators of 6
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd9a3f5c5052eaf923b8373870cbae57
https://doi.org/10.1016/j.egypro.2017.03.1058
https://doi.org/10.1016/j.egypro.2017.03.1058
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 9, Iss 5, Pp 2427-2434 (2016)
ResearcherID
Journal of Applied Fluid Mechanics
ResearcherID
Journal of Applied Fluid Mechanics
The paper presents a new method for in site discharge estimation in pressured pipes. The method consists in using the water hammer equations solved with the method of characteristics with an unsteady friction factor model. The differential pressure h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2970c5bc4ca00723538b32c7b403f131
http://jafmonline.net/JournalArchive/download?file_ID=40895&issue_ID=236
http://jafmonline.net/JournalArchive/download?file_ID=40895&issue_ID=236
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 240:022046
Hydropower plants are currently being intensively employed for electrical grid regulation. As a consequence, the frequency of start/stops and load variations is considerably increasing, leading to ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9cbdb7f7abe6de66e4e8b7d9e113e441
https://doi.org/10.1088/1755-1315/240/2/022046
https://doi.org/10.1088/1755-1315/240/2/022046
Autor:
Constantin Călinoiu, Robert Mitrut, Ionut Stelian Grecu, Georgiana Dunca, Raluca Gabriela Iovanel, Diana Maria Bucur
Publikováno v:
Web of Science
The paper presents the experimental analysis of the operating parameters for four 4 MW units of a high head hydro power plant equipped with Pelton turbines. For the efficiency analysis, the discharge Q, the head H and the electrical power output P G
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c614ccb84bdff9d3457d0e6d6975d58
https://publons.com/wos-op/publon/51446955/
https://publons.com/wos-op/publon/51446955/
