Application of boundary element type flow models in turbomachinery stability analysis

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F21%3A00546884" target="_blank" >RIV/61388998:_____/21:00546884 - isvavai.cz</a>
Result on the web
<a href="https://cloudserver048868.home.pl/web/content/archives_icsv_last/2021_icsv27/content/papers/papers/full_paper_178_20210423151446876.pdf" target="_blank" >https://cloudserver048868.home.pl/web/content/archives_icsv_last/2021_icsv27/content/papers/papers/full_paper_178_20210423151446876.pdf</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Application of boundary element type flow models in turbomachinery stability analysis
Original language description
In this research subsonic flutter in low pressure stage steam turbine blade is studied. A medium fidelity flow solver based on boundary element type method is adopted for numerical flow modeling.nA modified version of 2D surface panel method is used as boundary element method to model the flow field. The subsonic classical flutter and stall flutter in turbomachinery modeled and the aerodynamic damping coefficient w.r.t. inter blade phase angle curve is evaluated for the stability check. The aerodynamic damping coefficient at different inter blade phase angle is estimated using modified panel method flow model for both classical and stall flutter cases. The estimated results is validated against experimental measurements as well Navier-Stokes equation based high fidelity computational fluid dynamics model.n
Czech name
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Czech description
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Project
<a href="/en/project/GC19-02288J" target="_blank" >GC19-02288J: Robust reduced-order modeling of fluid-structure interaction problems</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
27th International Congress on Sound and Vibration: ICSV27
ISBN
978-83-7880-799-5
ISSN
2329-3675
e-ISSN
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Number of pages
8
Pages from-to
172047
Publisher name
Silesian University Press
Place of publication
Gliwice, Poland
Event location
Virtual, Online
Event date
Jul 11, 2021
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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