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Results

2 330 results (0,292s) •

Result

Bridging the Gap between Protoplanetary and Debris Disks: Separate Evolution of Millimeter and Micrometer-sized Dust

We aim to reconcile both manifestations of dusty circumstellar disks through a study of optically thin Class III disks and how they correlate to younger and older disks. In this work, we collect literature and Atacama Large...

Astronomy (including astrophysics,space science)

  • 2021
    • •
  • Jimp
    • •
  • Link
Result

Vibration of Imperfect Rotating Disk

Paper is concerned with the flexural vibrations of bladed disk by theoretical or of experimental model of turbine disks. The reduction of undesirable vibrations of blades is proposed by using damping heads, which on the experimental...

BI - Akustika a kmity

  • 2009
    • •
  • O
Result

Vibration of imperfect rotating disk

of the flexural vibrations of a bladed disk. The main focus of this study is the elaborate properties of the real structure or an experimental model of turbine disks. The reduction on the experimental model of turbine disk...

BI - Akustika a kmity

  • 2011
    • •
  • Jx
Result

Usage of disk modal condensation to modelling of bladed disk vibrations with friction elements

disk vibrations with friction elements. A modelling is based on bladed disk decomposition into a three-dimensional elastic disk subsystem and a blading subsystem. Modal condensation applied to disk enables reducti...

BI - Akustika a kmity

  • 2012
    • •
  • O
Result

Contribution to the dynamic behaviour of bladed disk

This contribution deals with an analysis of dynamic behaviour of disks state. For modes excitation analysis in rotation, especially for bladed disks, is necessary to build "full" model, it means whole disk, not only cyclic ...

JR - Ostatní strojírenství

  • 2007
    • •
  • Jx
Result

Modelling of rotating disk vibration with fixed blades

The paper presents the method for the mathematical modelling of bladed disk-dimensional elastic disk centrally clamped into turbine rotor rotating with constant speed. The displacements of the coupled disk nodes on rigid bl...

BI - Akustika a kmity

  • 2009
    • •
  • D
Result

Note on coloring of double disk graphs

In this paper we decrease the upper bound on chromatic number of double disk graphs substantially.

BA - Obecná matematika

  • 2014
    • •
  • Jx
    • •
  • Link
Result

A rotating rod electrode disk as an alternative to the rotating disk electrode for medium-temperature electrolytes, Part I: The effect of the absence of cylindrical insulation

In this paper, a rotating rod electrode disk is introduced as a hydrodynamic the disk were investigated and compared with the rotating disk electrode. The main difference to the rotating disk is the absence of ...

Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)

  • 2017
    • •
  • Jimp
    • •
  • Link
Result

Condensation of bladed disk

The aim of the paper is condensation of a system which represents bladed disk. The model of the bladed disk is based on decomposition into a disk subsystem are modeled byusing 1D elements and the disk is modeled by...

BI - Akustika a kmity

  • 2012
    • •
  • O
Result

Kinematic excited vibration of bladed disk

The work introduces the methodology of modelling a steam turbine bladed disk packets connected by shroud and disk, in which the blades are fixed - is used. After the investigation of blade rim connected with the rigid disk ...

BI - Akustika a kmity

  • 2009
    • •
  • D
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