Projects funded by the NCN


Information on the principal investigator and host institution

Information of the project and the call

Keywords

Equipment

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Adequacy ranges of linear and nonlinear methods for determining the dynamic properties of the rotating machinery

2015/17/N/ST8/01825

Keywords:

Damping coefficients stiffness coefficients mass coefficients hydrodynamic bearings foil bearings experimental research numerical research

Descriptors:

  • ST8_7: Machine design (modelling, shaping, machining)
  • ST8_3: Computational engineering, computer-aided modelling, design and manufacturing
  • ST8_4: Fluid mechanics, technical thermodynamics

Panel:

ST8 - Production and processes engineering: modelling, product design, process design and control, construction methods and engineering, power units and systems

Host institution :

Instytut Maszyn Przepływowych im. Roberta Szewalskiego PAN

woj. pomorskie

Other projects carried out by the institution 

Principal investigator (from the host institution):

Łukasz Breńkacz 

Number of co-investigators in the project: 2

Call: PRELUDIUM 9 - announced on 2015-03-16

Amount awarded: 96 800 PLN

Project start date (Y-m-d): 2016-02-19

Project end date (Y-m-d): 2018-02-18

Project duration:: 24 months (the same as in the proposal)

Project status: Project settled

Project description

Download the project description in a pdf file

Note - project descriptions were prepared by the authors of the applications themselves and placed in the system in an unchanged form.

Equipment purchased [PL]

  1. Czujniki pojemnościowe lub wiroprądowe do pomiaru drgań wirnika (20 000 PLN)
  2. Łożyska hydrodynamiczne (3 000 PLN)
  3. Mobilna stacja robocza (6 000 PLN)

Information in the final report

  • Publication in academic press/journals (4)
  • Articles in post-conference publications (1)
  • Book publications / chapters in book publications (2)
  1. An experimental investigation conducted in order to determine bearing dynamic coefficients of two hydrodynamic bearings using impulse responses
    Authors:
    Łukasz Breńkacz, Grzegorz Żywica
    Academic press:
    Transactions of the Institute of Fluid-Flow Machinery (rok: 2016, tom: 133, strony: 39-54), Wydawca: The Szewalski Institute of Fluid-Flow Machinery, Polish Academy of Sciences
    Status:
    Published
  2. The experimental identification of the dynamic coefficients of two hydrodynamic journal bearings operating at constant rotational speed and under nonlinear conditions
    Authors:
    Łukasz Breńkacz, Grzegorz Żywica, Marta Drosińska-Komor
    Academic press:
    Polish Maritime Research (rok: 2017, tom: 4(96), strony: 108-115), Wydawca: Wydział Oceanotechniki i Okrętownictwa
    Status:
    Published
    DOI:
    10.1515/pomr-2017-0142 - link to the publication
  3. Comparison of experimentally and numerically determined dynamic coefficients of the hydrodynamic slide bearings operating in the nonlinear rotating systems
    Authors:
    Łukasz Breńkacz, Grzegorz Żywica
    Academic press:
    Proceedings of the ASME Turbo Expo2017: Turbomachinery Technical Conference and Exposition (rok: 2017, tom: 7A, strony: pp. V07AT34A026; 12 pages), Wydawca: ASME Digital Collection
    Status:
    Published
    DOI:
    10.1115/GT2017-64251 - link to the publication
  4. Numeryczne wyznaczanie liniowych i nieliniowych współczynników sztywności i tłumienia poprzecznych łożysk hydrodynamicznych
    Authors:
    Łukasz Breńkacz, Grzegorz Żywica
    Academic press:
    Mechanik (rok: 2016, tom: 7, strony: 648-649), Wydawca: Agenda Wydawnicza SIMP
    Status:
    Published
    DOI:
    10.17814/mechanik.2016.7.108 - link to the publication
  1. Numeryczne wyznaczanie liniowych i nieliniowych współczynników sztywności i tłumienia poprzecznych łożysk hydrodynamicznych
    Authors:
    Łukasz Breńkacz, Grzegorz Żywica
    Conference:
    XX Międzynarodowa Szkoła Komputerowego wspomagania projektowania, wytwarzania i eksploatacji (rok: 2016, ), Wydawca: Wojskowa Akademia Techniczna
    Data:
    konferencja 16-20 Maja
    Status:
    Published
  1. The experimental determination of bearings dynamic coefficients in a wide range of rotational speeds, taking into account the resonance and hydrodynamic instability
    Authors:
    Breńkacz Łukasz, Żywica Grzegorz, Drosińska-Komor Marta, Szewczuk-Krypa Natalia
    Book:
    Springer Proceedings in Mathematics & Statistics. Dynamical Systems: Modelling (rok: 2018, tom: 249, strony: 13-24), Wydawca: Springer
    Status:
    Published
  2. The Sensitivity Analysis of the Method for Identification of Bearing Dynamic Coefficient
    Authors:
    Łukasz Breńkacz, Grzegorz Żywica
    Book:
    Springer Proceedings in Mathematics & Statistics. Dynamical Systems: Modelling (rok: 2016, tom: 181, strony: 81-96), Wydawca: Springer
    Status:
    Published