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17 (0,088s) •

Project

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

The project is focused on investigation of the flutter instability of airfoils using interferometric methods, complemented by CFD simulations. A functional self around the vibrating profile at various conditions (subcritical, flutter

BK - Mechanika tekutin

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

Study of dynamic stall flutter instabilities and their consequences in turbomachinery application by mathematical, numerical and experimental methods (GA20-26779S)

to the subsonic dynamic stall flutter as one of instabilities which often encounters in low will deal with consequences, i.e. time and space spreading, of the flutter on the wheel on the experiment will be developed for description...

Applied mechanics

  • 2020 - 2022
    • •
  • 8 820 tis. Kč
    • •
  • 8 820 tis. Kč
    • •
  • GA ČR
Project

Advanced experimental research on synchronous and non-synchronous blade vibration (LTAUSA19036)

The project is focused on the research of dangerous flow-induced blade vibrations in turbomachinery - blade flutter. The main goal of the project is the development of new methods for experimental research of blade flutter in transo...

Mechanical engineering

  • 2019 - 2022
    • •
  • 8 825 tis. Kč
    • •
  • 8 825 tis. Kč
    • •
  • MŠMT
Project

Experimental research on flutter excitation function in turbomachinery (GA20-11537S)

Aim of this project is to improve understanding of blade flutter in turbomachines. Based on experience of the project applicant at NASA GRC, a new quasi-stationary method is proposed, relying on the assumption that the dynamically induced ae...

Mechanical engineering

  • 2020 - 2023
    • •
  • 7 462 tis. Kč
    • •
  • 7 462 tis. Kč
    • •
  • GA ČR
Project

Origins and mechanisms of flutter and non-synchronous vibration in modern turbomachines operating at wide range of regimes (LUAUS23231)

is enhancing knowledge about flutter and non-synchronous vibrations of the blades in modern sensitivity of a single airfoil. The second objective is modelling of flutter running and operated Blade Flutter Module (BFM) inst...

Applied mechanics

  • 2023 - 2026
    • •
  • 12 609 tis. Kč
    • •
  • 12 609 tis. Kč
    • •
  • MŠMT
Project

Computer modelling of aeroelastic phenomena for real fluid flowing past vibrating airfoils particularly after the loss of system stability (IAA200760613)

The goal is to develop numerical methods for the solution of fluid-structure interaction problems in time domain, particularly for large deformations. The main attention will be paid to the numerical simulation of unsteady, strongly nonlinear phenome...

BI - Akustika a kmity

  • 2006 - 2009
    • •
  • 1 513 tis. Kč
    • •
  • 1 513 tis. Kč
    • •
  • AV ČR
Project

Problems of Stochastic Stability of Wind Induced Vibration and Fatigue of Civil Engineering Structures (OC C14.001)

Project deals with theoretical explanation of a stability loss (prevalently that of flutter type) by slender civil engineering structures due to aeroelastic interaction with an air stream. This interaction leads to the origin of nonconservat...

JM - Inženýrské stavitelství

  • 2002 - 2004
    • •
  • 1 969 tis. Kč
    • •
  • 788 tis. Kč
    • •
  • MŠMT
Project

Coupled problems of fluid and solid mechanics - nonlinear aeroelasticity (GAP101/11/0207)

are large and the system is nonlinear. The post-flutter behavior of a vibrating the deformations are large and the system is nonlinear. The post-flutter behavior......

BK - Mechanika tekutin

  • 2011 - 2015
    • •
  • 7 338 tis. Kč
    • •
  • 7 338 tis. Kč
    • •
  • GA ČR
Project

Experimental investigation of unsteady flow patterns around vibrating airfoil with application in aeroelasticity (GA101/09/1522)

will be performed in the wind tunnel in the post-critical (flutter) regimes. The complexity...

BK - Mechanika tekutin

  • 2009 - 2012
    • •
  • 3 581 tis. Kč
    • •
  • 3 581 tis. Kč
    • •
  • GA ČR
Project

Aerodynamic bodies with actively controlled morphing (GA19-16772S)

of increasing of flutter resistance, the third direction will be research on improvement...

Aerospace engineering

  • 2019 - 2022
    • •
  • 7 286 tis. Kč
    • •
  • 6 284 tis. Kč
    • •
  • GA ČR
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