Tip-timing analysis of last stage steam turbine mistuned bladed disc during run-down

Tip-timing analysis of last stage steam turbine mistuned bladed disc during run-down

This paper presents the experimental and numerical studies of last stage LP mistuned steam turbine bladed discs during run-down. The natural frequencies and mode shapes of the turbine bladed disc were calculated using an FE model. The influence of shaft was considered. The tip-timing method was used...

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Main Authors: Rzadkowski Romuald, Kubitz Leszek, Maziarz Michał, Troka Pawel, Piechowski Leszek, Szczepanik Ryszard
Format: Article
Language:English
Published: EDP Sciences 2018-01-01
Series:MATEC Web of Conferences
Online Access:https://doi.org/10.1051/matecconf/201821103003
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spelling doaj-bbf116460c94429ba077f2068b346cb82021-02-02T05:08:59ZengEDP SciencesMATEC Web of Conferences2261-236X2018-01-012110300310.1051/matecconf/201821103003matecconf_vetomacxiv2018_03003Tip-timing analysis of last stage steam turbine mistuned bladed disc during run-downRzadkowski RomualdKubitz LeszekMaziarz MichałTroka PawelPiechowski LeszekSzczepanik RyszardThis paper presents the experimental and numerical studies of last stage LP mistuned steam turbine bladed discs during run-down. The natural frequencies and mode shapes of the turbine bladed disc were calculated using an FE model. The influence of shaft was considered. The tip-timing method was used to find the mistuned bladed disc modes and frequencies. The numerical results were compared with experimental ones.https://doi.org/10.1051/matecconf/201821103003
collection DOAJ
language English
format Article
sources DOAJ
author Rzadkowski Romuald
Kubitz Leszek
Maziarz Michał
Troka Pawel
Piechowski Leszek
Szczepanik Ryszard
spellingShingle Rzadkowski Romuald
Kubitz Leszek
Maziarz Michał
Troka Pawel
Piechowski Leszek
Szczepanik Ryszard
Tip-timing analysis of last stage steam turbine mistuned bladed disc during run-down
MATEC Web of Conferences
author_facet Rzadkowski Romuald
Kubitz Leszek
Maziarz Michał
Troka Pawel
Piechowski Leszek
Szczepanik Ryszard
author_sort Rzadkowski Romuald
title Tip-timing analysis of last stage steam turbine mistuned bladed disc during run-down
title_short Tip-timing analysis of last stage steam turbine mistuned bladed disc during run-down
title_full Tip-timing analysis of last stage steam turbine mistuned bladed disc during run-down
title_fullStr Tip-timing analysis of last stage steam turbine mistuned bladed disc during run-down
title_full_unstemmed Tip-timing analysis of last stage steam turbine mistuned bladed disc during run-down
title_sort tip-timing analysis of last stage steam turbine mistuned bladed disc during run-down
publisher EDP Sciences
series MATEC Web of Conferences
issn 2261-236X
publishDate 2018-01-01
description This paper presents the experimental and numerical studies of last stage LP mistuned steam turbine bladed discs during run-down. The natural frequencies and mode shapes of the turbine bladed disc were calculated using an FE model. The influence of shaft was considered. The tip-timing method was used to find the mistuned bladed disc modes and frequencies. The numerical results were compared with experimental ones.
url https://doi.org/10.1051/matecconf/201821103003
work_keys_str_mv AT rzadkowskiromuald tiptiminganalysisoflaststagesteamturbinemistunedbladeddiscduringrundown
AT kubitzleszek tiptiminganalysisoflaststagesteamturbinemistunedbladeddiscduringrundown
AT maziarzmichał tiptiminganalysisoflaststagesteamturbinemistunedbladeddiscduringrundown
AT trokapawel tiptiminganalysisoflaststagesteamturbinemistunedbladeddiscduringrundown
AT piechowskileszek tiptiminganalysisoflaststagesteamturbinemistunedbladeddiscduringrundown
AT szczepanikryszard tiptiminganalysisoflaststagesteamturbinemistunedbladeddiscduringrundown
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