RIMS - Repository of Institute for Material Testing
Institute for Material Testing
    • English
    • Српски
    • Српски (Serbia)
  • English 
    • English
    • Serbian (Cyrillic)
    • Serbian (Latin)
  • Login
View Item 
  •   RIMS
  • Institut za ispitivanje materijala
  • Radovi istraživača / Researchers' publications
  • View Item
  •   RIMS
  • Institut za ispitivanje materijala
  • Radovi istraživača / Researchers' publications
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

Modal analysis of the hydro turbine shaft with cracks

Thumbnail
Authors
Atanasovska, Ivana
Momčilović, Dejan
Vukšić-Popović, Marija
Conference object (Published version)
Metadata
Show full item record
Abstract
The design process for the elements which are the parts of the structures and equipment in power industry includes both of stress and strain state calculations, as well as an analysis of natural mode shapes and frequencies. During operation of the machine elements and systems, periodic vibration measurement in unloaded and loaded state is essential for high level of availability of the equipment operation. This is especially important after the reparation of particular elements of mechanical systems, when the vibration monitoring is source of the information necessary for their proper and safe use. Therefore, the previous numerical calculations of the eigen frequency and modal analysis give the necessary information for appropriate operation loading. In this paper the dynamics of the Kaplan turbine shaft is analyzed in accordance with these preferences. The Finite Element Analysis is used for numerical simulations and calculations. The real case of the shaft failure is chosen and the a...nalyses are performed for the shaft before and after damage appearance. The cracks of different depth are modeled at the shaft to flange transition zone, in accordance with the real damages. Also, the model of the shaft with the shape and dimensions after the reparations is analyzed in order to compare the shaft dynamics with changed transition radius. Conclusions and discussion about the obtained results are given in comparison with the real operation conditions for the analyzed case study.

Source:
Abstracts of 14th International conference Dynamical Systems - Theory and Applications, 2017, 125-

ISBN: 978-83-935312-3-3

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_rims_469
URI
http://rims.institutims.rs/handle/123456789/469
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Institut za ispitivanje materijala
TY  - CONF
AU  - Atanasovska, Ivana
AU  - Momčilović, Dejan
AU  - Vukšić-Popović, Marija
PY  - 2017
UR  - http://rims.institutims.rs/handle/123456789/469
AB  - The design process for the elements which are the parts of the structures and equipment in power industry includes both of stress and strain state calculations, as well as an analysis of natural mode shapes and frequencies. During operation of the machine elements and systems, periodic vibration measurement in unloaded and loaded state is essential for high level of availability of the equipment operation. This is especially important after the reparation of particular elements of mechanical systems, when the vibration monitoring is source of the information necessary for their proper and safe use. Therefore, the previous numerical calculations of the eigen frequency and modal analysis give the necessary information for appropriate operation loading. In this paper the dynamics of the Kaplan turbine shaft is analyzed in accordance with these preferences. The Finite Element Analysis is used for numerical simulations and calculations. The real case of the shaft failure is chosen and the analyses are performed for the shaft before and after damage appearance. The cracks of different depth are modeled at the shaft to flange transition zone, in accordance with the real damages. Also, the model of the shaft with the shape and dimensions after the reparations is analyzed in order to compare the shaft dynamics with changed transition radius. Conclusions and discussion about the obtained results are given in comparison with the real operation conditions for the analyzed case study.
C3  - Abstracts of 14th International conference Dynamical Systems - Theory and Applications
T1  - Modal analysis of the hydro turbine shaft with cracks
SP  - 125
UR  - https://hdl.handle.net/21.15107/rcub_rims_469
ER  - 
@conference{
author = "Atanasovska, Ivana and Momčilović, Dejan and Vukšić-Popović, Marija",
year = "2017",
abstract = "The design process for the elements which are the parts of the structures and equipment in power industry includes both of stress and strain state calculations, as well as an analysis of natural mode shapes and frequencies. During operation of the machine elements and systems, periodic vibration measurement in unloaded and loaded state is essential for high level of availability of the equipment operation. This is especially important after the reparation of particular elements of mechanical systems, when the vibration monitoring is source of the information necessary for their proper and safe use. Therefore, the previous numerical calculations of the eigen frequency and modal analysis give the necessary information for appropriate operation loading. In this paper the dynamics of the Kaplan turbine shaft is analyzed in accordance with these preferences. The Finite Element Analysis is used for numerical simulations and calculations. The real case of the shaft failure is chosen and the analyses are performed for the shaft before and after damage appearance. The cracks of different depth are modeled at the shaft to flange transition zone, in accordance with the real damages. Also, the model of the shaft with the shape and dimensions after the reparations is analyzed in order to compare the shaft dynamics with changed transition radius. Conclusions and discussion about the obtained results are given in comparison with the real operation conditions for the analyzed case study.",
journal = "Abstracts of 14th International conference Dynamical Systems - Theory and Applications",
title = "Modal analysis of the hydro turbine shaft with cracks",
pages = "125",
url = "https://hdl.handle.net/21.15107/rcub_rims_469"
}
Atanasovska, I., Momčilović, D.,& Vukšić-Popović, M.. (2017). Modal analysis of the hydro turbine shaft with cracks. in Abstracts of 14th International conference Dynamical Systems - Theory and Applications, 125.
https://hdl.handle.net/21.15107/rcub_rims_469
Atanasovska I, Momčilović D, Vukšić-Popović M. Modal analysis of the hydro turbine shaft with cracks. in Abstracts of 14th International conference Dynamical Systems - Theory and Applications. 2017;:125.
https://hdl.handle.net/21.15107/rcub_rims_469 .
Atanasovska, Ivana, Momčilović, Dejan, Vukšić-Popović, Marija, "Modal analysis of the hydro turbine shaft with cracks" in Abstracts of 14th International conference Dynamical Systems - Theory and Applications (2017):125,
https://hdl.handle.net/21.15107/rcub_rims_469 .

DSpace software copyright © 2002-2015  DuraSpace
About RIMS | Send Feedback

OpenAIRERCUB
 

 

All of DSpaceCommunitiesAuthorsTitlesSubjectsThis institutionAuthorsTitlesSubjects

Statistics

View Usage Statistics

DSpace software copyright © 2002-2015  DuraSpace
About RIMS | Send Feedback

OpenAIRERCUB