Strain prediction in Francis runners by means of stationary sensors
Visualitza/Obre
Estadístiques de LA Referencia / Recolecta
Inclou dades d'ús des de 2022
Cita com:
hdl:2117/360246
Tipus de documentText en actes de congrés
Data publicació2021
Condicions d'accésAccés obert
Llevat que s'hi indiqui el contrari, els
continguts d'aquesta obra estan subjectes a la llicència de Creative Commons
:
Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
The assessment of the remaining useful life due to fatigue in Francis turbine runners implies complex measurements with strain gauges that have to be installed in a submerged and rotating structure, which is excited with high pressure pulsations and strong turbulent flows. Furthermore, the conditioning, storage and transmission of these signals to the stationary frame involves complicated technical solutions. In order to avoid such complex and expensive measurements, in this paper we explore the feasibility of obtaining the strain on the runner with stationary sensors, which can be easily installed and used for a continuous monitoring of the machine. Based on the experimental strain tests performed in a Francis turbine unit, strain on the runner blade is correlated with relevant indicators obtained with stationary sensors. The correlation within indicators is obtained considering linear regression models and improved with artificial intelligence techniques.
CitacióPresas, A. [et al.]. Strain prediction in Francis runners by means of stationary sensors. A: 30th IAHR Symposium on Hydraulic Machinery and Systems. "IOP conference series". 2021, p. 774:1-774:7. ISBN 17551307.
ISBN17551307
Col·leccions
- Departament de Mecànica de Fluids - Ponències/Comunicacions de congressos [195]
- FLUIDS - Enginyeria de Fluids - Ponències/Comunicacions de congressos [46]
- Departament d'Enginyeria de Projectes i de la Construcció - Ponències/Comunicacions de congressos [165]
- CDIF - Centre de Diagnòstic Industrial i Fluidodinàmica - Ponències/Comunicacions de congressos [47]
- Doctorat en Enginyeria Mecànica, Fluids i Aeronàutica - Ponències/Comunicacions de congressos [54]
Fitxers | Descripció | Mida | Format | Visualitza |
---|---|---|---|---|
Presas_2021_IOP ... viron._Sci._774_012084.pdf | Articulo | 921,6Kb | Visualitza/Obre |