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14 705 (0,118s) •

Project

Damping of technological systems with parametric and combined excitation (GA101/98/0972)

will be focused onto the vibration damping both for the model and real systems combining parametric and outer excitation, or parametric excitation and self excitation. The aim of such technical system...

JR - Ostatní strojírenství

  • 1998 - 2000
    • •
  • 1 377 tis. Kč
    • •
  • 1 320 tis. Kč
    • •
  • GA ČR
Project

Study of mechanism of formation stable high-frequency oscillations generated in a liquid under high pressures (GA23-05235S)

and propagation of high-frequency self-excited oscillations of pressures and velocities. In addition, the effect of viscosity on the stability and intensity of self-excited and propagation of self-ex...

Mechanical engineering

  • 2023 - 2025
    • •
  • 6 141 tis. Kč
    • •
  • 6 141 tis. Kč
    • •
  • GA ČR
Project

Aero-elastic couplings and dynamic behaviour of rotational periodic bodies (GA16-04546S)

at resonances or at self-excited oscillations. Analytical solution of periodical systemsAerodynamic forces in aeroelastic couplings cause very often self-excited vibrations of rotational periodic syst...

BI - Akustika a kmity

  • 2016 - 2020
    • •
  • 7 556 tis. Kč
    • •
  • 6 630 tis. Kč
    • •
  • GA ČR
Project

Nonholonomic interaction and dynamical stability of aeroelastic systems (GA19-21817S)

Specific structures subjected to the dynamic load are often prone to the auto-parametric and self-excited vibrations. As a result, the dynamic stability- or superharmonic resonance, etc. The project aims at mathematical description ...

Civil engineering

  • 2019 - 2021
    • •
  • 5 521 tis. Kč
    • •
  • 5 521 tis. Kč
    • •
  • GA ČR
Project

The Combined Effects of Aeroelastic Instabilities on Civil Engineering Structures (GA24-13061S)

The interaction of aeroelastic instabilities of civil engineering structures, such as galloping, flutter, or vortex-shedding, is one of the most current topics in wind engineering. Normative regulations define susceptibility criteria for determining ...

Civil engineering

  • 2024 - 2026
    • •
  • 6 810 tis. Kč
    • •
  • 6 810 tis. Kč
    • •
  • GA ČR
Project

Dynamic stability and post-critical processes in non-conservative and non-holonomic stochastic systems with interactions (GA15-01035S)

to interactions with moving external medium is planed. Auto-parametric, self-excited stochastic systems of Markovian type are investigated. Mathematical formulationsTheoretical and experimental research of local and globa...

JM - Inženýrské stavitelství

  • 2015 - 2017
    • •
  • 7 767 tis. Kč
    • •
  • 7 767 tis. Kč
    • •
  • GA ČR
Project

Subsonic flutter analysis of elastically supported airfoils using interferometry and CFD (GA13-10527S)

in combination of following aspects: i) measurement on a self-oscillating, not externally excited system, ii) application of the interferometric methods instead of PIV, iiiThe project is focused on investigation of the flu...

BK - Mechanika tekutin

  • 2013 - 2016
    • •
  • 7 600 tis. Kč
    • •
  • 7 600 tis. Kč
    • •
  • GA ČR
Project

Research new function and development automatic controller of synchronous machine excitation (2A-3TP1/023)

of excitation controller with upgraded regulation structures, especially functions of PSS (Power system stabilizer) positively influencing power system stability and functions and develop new algorithms for redundant runni...

JE - Nejaderná energetika, spotřeba a užití energie

  • 2008 - 2010
    • •
  • 8 843 tis. Kč
    • •
  • 2 800 tis. Kč
    • •
  • MPO
Project

Diagnostic equipment for residual life monitoring of rotating machine parts under excessive vibrations (GA101/97/0226)

under rotation. These vibrations can be both resonance and self-excited types of their introduction into service, in case of revolution changes and shut down. The self-excited......

JT - Pohon, motory a paliva

  • 1997 - 1999
    • •
  • 6 282 tis. Kč
    • •
  • 2 529 tis. Kč
    • •
  • GA ČR
Project

Quantitative study of excitability in chemical and biochemical systems with mass exchange (GP203/02/D051)

,metabolic regulation, etc.). Excitability represents an ability of the system examination of chosen chemical and biochemical excitable model systems with the useA more fundamental understanding of excitability...

CF - Fyzikální chemie a teoretická chemie

  • 2002 - 2005
    • •
  • 750 tis. Kč
    • •
  • 750 tis. Kč
    • •
  • GA ČR
  • 1 - 10 out of 14 705