friction damper used for the control of vibration in a gas- turbine blade
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#1
01-10-2010, 04:49 PM




.doc   shamith.doc (Size: 480.5 KB / Downloads: 113)


P V Ramaiah J. and G Krishnaiah2
I Department of Mechanical Engineering, Srikalahasteeswara Institute of Technology, Andhra Pradesh, India 2Department of Mechanical Engineering, SV University College of Engineering, Andhra Pradesh, India
The manuscript was received on 15 June 2006 and was accepted after revision for publication on 30 May 2007. DOl: 1O.1243/09544062JMES411


abstract

The paper deals with modelling and design of a friction damper. This has been done in four phases. In the first phase, modal analysis is performpd to determine the modal parameters of turbine blade. In the second phase, a mathematical model for the contact region of damper and rigid surface has been developed using microslip approach. This model has the ability to account for microslip in the contact region. In the third phase, a mathematical model for the combined blade with damper is developed and in the fourth phase the damper is designed. The results of the combined blade with damper model are confirmed by experimental test.
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#2
02-10-2010, 10:31 AM


.ppt   Modelling and design of friction damper used for.ppt1.ppt (Size: 1.15 MB / Downloads: 82)
MODELLING AND DESIGN OF FRICTION DAMPER USED FOR THE CONTROL OF VIBRATION IN A GAS TURBINE-A MICROSLIP APPROACH



BY
SHAMITH.H.R
1ST SEM M-TECH
MACHINE DESIGN



abstract

It consists of four phases.
First phase, modal analysis is performed to determine the modal parameters of Turbine blade.
Second phase, a mathematical for the model for the contact region of damper and rigid surface is developed using micro slip approach.
In the third phase, a mathematical model for the combined blade with damper is developed.
In the fourth phase the damper is designed. The results of the combined blade with damper model are confirmed by experimental test.
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