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Publikováno v:
Archive of Applied Mechanics. 91:1557-1575
High-speed turbocharger rotors are often supported on double film floating ring bearings. In recent times, foil bearings are increasingly used as an alternative to floating ring bearings for supporting such lightweight rotors. Present work aims at th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfb59e27356329f7289457d544785e35
https://doi.org/10.1007/s00419-020-01840-x
https://doi.org/10.1007/s00419-020-01840-x
WYZNACZANIE NIEZAWODNOŚCI ZŁOŻONEGO SYSTEMU TECHNICZNEGO NA PRZYKŁADZIE MOBILNEGO MODUŁU MEDYCZNEGO.
Autor:
SZELMANOWSKI, Andrzej1 andrzej.szelmanowski@itwl.pl, PAZUR, Andrzej1 andrzej.pazur@itwl.pl, RZĄDKOWSKI, Romuald1 romuald.rzadkowski@itwl.pl, SZELMANOWSKA, Julia2 julia.szelmanowska@wum.edu.pl
Publikováno v:
Journal of Konbin. Mar2024, Vol. 54 Issue 1, p65-86. 22p.
Autor:
ROMUALD RZĄDKOWSKI, VITALY GNESIN
Publikováno v:
TASK Quarterly, Vol 11, Iss 3 (2007)
Aerodynamic unsteady forces of rotor blades in a turbine stage with steam extraction were calculated and blade failure was reported. A numerical calculation of the 3D transonic flow of an ideal gas through turbomachinery blade rows moving one in rela
Externí odkaz:
https://doaj.org/article/4a0be679ac514c77b116e6df11c87517
Publikováno v:
TASK Quarterly, Vol 10, Iss 3 (2006)
The dynamic behaviour of a rotor consisting of two tuned and mistuned bladed discs on a solid shaft is considered. The effect of the shaft’s flexibility on the dynamic characteristics of the bladed discs and the coupling effects between the shaft a
Externí odkaz:
https://doaj.org/article/e4795d494de8416bb261749cbe2e0b49
Autor:
ROMUALD RZĄDKOWSKI, LESZEK KWAPISZ, MARCIN DREWCZYŃSKI, RYSZARD SZCZEPANIK, JAMMI SRINIVASA RAO
Publikováno v:
TASK Quarterly, Vol 10, Iss 2 (2006)
Externí odkaz:
https://doaj.org/article/04633dc6e8de43edad8a5719c3f263f5
Autor:
ROMUALD RZĄDKOWSKI, LESZEK KWAPISZ, MARCIN DREWCZYŃSKI, RYSZARD SZCZEPANIK, JAMMI SRINIVASA RAO
Publikováno v:
TASK Quarterly, Vol 10, Iss 1 (2006)
As a failure of rotor blades in a gas turbine was reported, the rotating-mode shapes of flexible shrouded bladed disc assemblies were calculated using a finite element approach. Rotational effects, such as centrifugal stiffening were accounted for, a
Externí odkaz:
https://doaj.org/article/b4910863066e48838a87a35359e6004a
Autor:
ROMUALD RZĄDKOWSKI, JACEK SOKOŁOWSKI
Publikováno v:
TASK Quarterly, Vol 8, Iss 1 (2004)
The dynamic behavior of a rotor consisting of two bladed discs on a solid shaft is considered. The effect of shaft flexibility on the dynamic characteristics of the bladed discs and the coupling effects between the shaft and bladed disc modes are inv
Externí odkaz:
https://doaj.org/article/e09afde04cfc4643998d093abcb49151
Publikováno v:
TASK Quarterly, Vol 7, Iss 2 (2003)
It is now increasingly necessary to predict accurately, at the design stage and without excessive computing costs, the dynamic behaviour of rotating parts of turbomachines, so that resonant conditions at operating speeds are avoided. In this study, g
Externí odkaz:
https://doaj.org/article/abd3d2b4c35d4c8b8a23dd082a06fc03
Autor:
Leszek Kubitz, Romuald Rządkowski, Piotr Kowaleczko, Pawel Troka, Paweł Kowaleczko, Ryszard Szczepanik
Publikováno v:
E3S Web of Conferences, Vol 137, p 01040 (2019)
One of the crucial issues regarding turbine maintenance is registering blade vibrations. These vibrations can cause serious damage to the engine. Turbine blade vibrations were measured during nominal speed as well as during run up and run down. A new
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3000d93f549fde8374f169ad9c7407b4
https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/63/e3sconf_rdpe2019_01040.pdf
https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/63/e3sconf_rdpe2019_01040.pdf