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Projekt:

jan 2023

dec 2024

Avslutad

Development of components for increased damping in hydropower units

This project is a continuation of a previous SVC project with the same title. In this continuation the developed bearing will be further optimised and validate their effectiveness.

Damping in hydropower units is normally too low which leads vibrations and in some cases breakdowns. Optimised bearing and external components can increase the stability of the rotor system. The project aims to develop a simpler measuring technique to evaluate dynamical properties along with testing of the previously developed squeeze film bearing. Finally the project aim to analyse a technique used by Vattenfall to increase damping by staggered bearing halves.

Kontakt

Jan-Olov Aidanpää

Ansvarig verksamhetsområde

LTU

Epost

Kontakt

Gudeta Benti

Post-doc

Kungliga Tekniska Högskolan

Epost

Publications

Simplified transformation matrices of journal bearings in vertical application, Benti G., Aidanpää J.O. and Gustavsson R., August 28, 2023, Applications in Engineering Science, Volume 15

Cost-Effective Design Modification of a Sleeve Bearing with Large Bearing Clearance, Benti G., Aidanpää J.O. and Gustavsson R., April 8, 2024, Applied Sciences, E-ISSN 2076-3417, Vol. 14,

Rotor-stator contact in a hydropower machine with squeeze-film damper, Benti G., Aidanpää J.O. and Gustavsson R., April 9, 2024, CHAOS 2023 International Conference 13-16 June 2023, Heraklion, Crete, Greece