Journal of Mechanical Design and Vibration
ISSN (Print): 2376-9564 ISSN (Online): 2376-9572 Website: http://www.sciepub.com/journal/jmdv Editor-in-chief: Shravan H. Gawande
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Journal of Mechanical Design and Vibration. 2014, 2(1), 1-10
DOI: 10.12691/jmdv-2-1-1
Open AccessArticle

Vibration Analysis of Gas Turbine SIEMENS 162MW- V94.2 Related to Iran Power Plant Industry in Fars Province

Omid Ali Zargar1,

1Department of mechanical engineering - Jawaharlal Nehru technological university Hyderabad, Kukatpally, Andra Pradesh India

Pub. Date: May 12, 2014

Cite this paper:
Omid Ali Zargar. Vibration Analysis of Gas Turbine SIEMENS 162MW- V94.2 Related to Iran Power Plant Industry in Fars Province. Journal of Mechanical Design and Vibration. 2014; 2(1):1-10. doi: 10.12691/jmdv-2-1-1

Abstract

Vibration analysis of most critical equipment is considered as one of the most challenging activities in preventive maintenance. Utilities are heart of the process in big industrial plants like petrochemical zones. Vibration analysis methods and condition monitoring systems of these kind of equipment are developed too much in recent years. On the other hand, there are too much operation factors like inlet and outlet pressures and temperatures that should be monitored. In this paper some of the most effective concepts and techniques related to gas turbine vibration analysis are discussed. In addition, a gas turbine SIEMENS 162MW- V94.2 vibration case history related to Iran power industry in Fars province is explained. Vibration monitoring system and machinery technical specification are introduced. Besides, absolute and relative vibration trends, turbine and compressor orbits, fast Fourier transform (FFT) in absolute vibrations, vibration modal analysis, turbine and compressor start up and shut down conditions, bode diagrams for relative vibrations, Nyquist diagrams and waterfall or three-dimensional FFT diagrams in startup and trip conditions are discussed with relative graphs. Furthermore, Split Resonance in gas turbines discussed in details. Moreover, some updated vibration monitoring system, blade manufacturing technique and modern damping mechanism are discussed in this paper.

Keywords:
gas turbine turbine compressor vibration data collector utility condition monitoring non-contact probe Relative Vibration Absolute Vibration Split Resonance time wave form (TWF) fast Fourier transform (FFT)

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