Název:
Contribution to modelling of bladed model disk with dry-friction contacts in tie-bosses
Autoři:
Pešek, Luděk ; Šnábl, Pavel ; Šulc, Petr ; Půst, Ladislav ; Bula, Vítězslav Typ dokumentu: Příspěvky z konference Konference/Akce: DYMAMESI 2019, Cracow (PL), 20190305
Rok:
2019
Jazyk:
eng
Abstrakt: The experimental set-up for studying dynamical behavior of the bladed wheel with pre-stressed dry-friction contacts in tie-bosses was built. The numerical solution of the turbine bladed wheel with tiebosses based on 3D finite element method with surface to surface dry friction contact model is proposed. Comparison of experimental and preliminary numerical results of dynamical behavior and damping estimation of our bladed wheel design yielded a reasonable agreement. Limitation of the non-linear solution due to dry friction contacts is HPC computations and long computation times. The contribution will deal with the achieved results.\n
Klíčová slova:
bladed wheel; damping; dry-friction contacts; tie-boss couplings Číslo projektu: CEZ:AV0Z2076919 (CEP), StrategieAV21/3 Poskytovatel projektu: AV ČR Zdrojový dokument: The International Colloquium Dynamics of Machines and Mechanical Systems with Interactions : DYMAMESI 2019, ISBN 978-80-87012-70-3
Instituce: Ústav termomechaniky AV ČR
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Informace o dostupnosti dokumentu:
Dokument je dostupný v příslušném ústavu Akademie věd ČR. Původní záznam: http://hdl.handle.net/11104/0304961