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On a systematic approach for cracked rotating shaft study: breathing mechanism, dynamics and instability

Submitted by saberelarem on Sun, 02/12/2017 - 14:44

Nonlinear dynamic analysis

We present a systematic approach to deal with the modelling and analysis of the cracked rotating shafts behaviour. We begin by revisiting

the problem of modelling the breathing mechanism of the crack. Here we consider an original approach based on the form we give to the energy of the system and then identify

the mechanism parameters using 3D computations with unilateral contact conditions on the crack lips. A dimensionless flexibility is identified which makes the application

Nonlinear dynamics of rotating shaft with a breathing crack - CHINA SCHOLARSHIP COUNCIL PhD for 2017

Submitted by saberelarem on Sat, 11/05/2016 - 09:21

Because of the increasing need of energy, the plants installed by electricity supply utilities throughout the world are becoming larger and more highly stressed. Thus, the risk of turbogenerator shaft cracking is increasing also. The development and propagation of a crack represents the most common and trivial beginning of integrity losses in engineering structures.

State of the Art - Novel InFlow Tech - Featured Project Development; 1-Gearturbine, 2-Imploturbocompressor

Submitted by retrodynamic on Wed, 10/21/2015 - 01:28

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