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Commenced in January 2007 Frequency: Monthly Edition: International Publications Count: 29414

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Vibration Analysis of Gas Turbine SIEMENS 162MW - V94.2 Related to Iran Power Plant Industry in Fars Province
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 kinds of equipments 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 is discussed in details. Moreover, some updated vibration monitoring system, blade manufacturing technique and modern damping mechanism are discussed in this paper.
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[1] Ali Zargar O.2014. Turbine Compressor Vibration Analysis and Rotor movement Evaluation by Shaft Center Line Method (The Case History Related to Main Turbine Compressor of an Olefin Plant in Iran Oil Industries). World Academy of Science, Engineering and Technology. International Journal of Mechanical, Industrial Science and Engineering Vol: 8 No: 1.
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[5] Ali Zargar O.2013. Vibration Analysis of an Alstom Typhoon Gas Turbine Power Plant Related to Iran Oil Industry. World Academy of Science, Engineering and Technology. International Journal of Mechanical, Industrial Science and Engineering Vol: 7 No: 11.
[6] Ali Zargar O.2013. Hydraulic Unbalance in Oil Injected Twin Rotary Screw Compressor Vibration Analysis (A Case History Related to Iran Oil Industries).World Academy of Science, Engineering and Technology. International Journal of Mechanical, Industrial Science and Engineering Vol:7 No:11.
[7] Ali Zargar O.2014. Detecting Cavitation in a Vertical Sea water Centrifugal Lift Pump Related to Iran Oil Industry Cooling Water Circulation System. World Academy of Science, Engineering and Technology. International Journal of Mechanical, Industrial Science and Engineering Vol: 8 No: 1.
[8] Ali Zargar O. 2014. Vibration, Lubrication and Machinery Consideration for a Mixer Gearbox Related to Iran Oil Industries. World Academy of Science, Engineering and Technology. International Journal of Mechanical, Industrial Science and Engineering Vol: 8 No: 3.
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[10] Eftekhari M., Javadi M. and Farsani R.E. 2011. Free vibration analysis of cracked functionally graded material beam. World Applied Sciences Journal, 12:1223-1225.
[11] Sukirno A., Fajar R., Bismo S. and Nasikin M. 2009. Bio grease Based on Palm Oil and Lithium Soap Thickener: Evaluation of Anti wear Property. World Applied Sciences Journal, 6: 401-407.
[12] Karim Z., Nuawi M.Z., Ghani J.A., Abdullah S. and Ghazali M.J. 2011. Optimization of Integrated Kurtosis-Based Algorithm for Z-Filter (I-KazTM) Coefficient Using Multi Level Signal Decomposition Technique. World Applied Sciences Journal, 14:1546-1548.
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