Publications

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A
El-Shafei, A., "Active control algorithms for the control of rotor vibrations using hybrid squeeze film dampers", Journal of engineering for gas turbines and power, vol. 124, no. 3: American Society of Mechanical Engineers, pp. 598–607, 2002. Abstract
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Hathout, J. P., A. El-Shafei, and R. Youssef, "Active control of multi-mode rotor-bearing systems using HSFDs", Journal of tribology, vol. 119, no. 1: American Society of Mechanical Engineers, pp. 49–56, 1997. Abstract
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Hathout, J. P., and A. El-Shafei, "Adaptive control for rotor-bearing systems using hybrid squeeze film dampers", IMECHE CONFERENCE TRANSACTIONS, vol. 6: MECHANICAL ENGINEERING PUBLICATIONS, pp. 671–690, 1996. Abstract
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El-Shafei, A., and N. Rieger, "Automated diagnostics of rotating machinery", ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference: American Society of Mechanical Engineers, pp. 491–498, 2003. Abstract
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C
Zeyada, Y., A. B-Shafei, and M. Elaraby, "COMPARISON BETWEEN CONTINUOUS AND LUMPED APPROACHES IN TRANSFER MATRIX MODELLING OF ROTATING MACHINERY", Proceedings, vol. 17: Vibration Institute, pp. 97, 1993. Abstract
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Hassan, T. A. F., A. El-Shafei, Y. Zeyada, and N. Rieger, "Comparison of neural network architectures for machinery fault diagnosis", ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference: American Society of Mechanical Engineers, pp. 415–424, 2003. Abstract
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El-Shafei, A., A. T. Massoud, M. El-Hakim, J. P. Hatbout, and R. Youssef, Control of Rotor Vibrations Using Hybrid Squeeze Film Dampers, : CAIRO UNIV GIZA (EGYPT) FACULTY OF ENGINEERING, 1997. Abstract
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El-Shafei, A., and A. S. Dimitri, "Controlling journal bearing instability using active magnetic bearings", Journal of Engineering for Gas Turbines and Power, vol. 132, no. 1: American Society of Mechanical Engineers, pp. 012502, 2010. Abstract
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D
El-Shafei, A., and M. El-Hakim, "Development of a Test Rig and Experimental Verification of the Performance of HSFDs for Active Control of Rotors", ASME 1995 International Gas Turbine and Aeroengine Congress and Exposition: American Society of Mechanical Engineers, pp. V005T14A024–V005T14A024, 1995. Abstract
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El-Shafei, A., M. M. El-Hakim, J. P. Hathout, and R. Y. Youssef, Development of Hybrid Squeeze Film Damper for Active Control of Rotor Vibrations, : Report No. MDP-EOARD-1/94, Cairo University, 1994. Abstract
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El-Shafei, A., "Developments in Fluid Film Bearing Technology", IUTAM Symposium on Emerging Trends in Rotor Dynamics: Springer Netherlands, pp. 201–215, 2011. Abstract
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El-Shafei, A., "Diagnosis of gearbox faults in the field", Vibrations in Rotating Machinery, vol. 16: Wiley, pp. 479, 2004. Abstract
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El-Shafei, A., "Diagnosis of Installation Problems of Turbomachinery", ASME Turbo Expo 2002: Power for Land, Sea, and Air: American Society of Mechanical Engineers, pp. 525–534, 2002. Abstract
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El-Shafei, A., and R. V. Eranki, "Dynamic analysis of squeeze film damper supported rotors using equivalent linearization", Journal of engineering for gas turbines and power, vol. 116, no. 3: American Society of Mechanical Engineers, pp. 682–691, 1994. Abstract
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El-Shafei, A., and R. V. Eranki, "Dynamic force coefficients of short and long squeeze film dampers executing elliptic orbits", INSTITUTION OF MECHANICAL ENGINEERS CONFERENCE PUBLICATIONS, vol. 6: MEDICAL ENGINEERING PUBLICATIONS LTD, pp. 597–597, 1992. Abstract
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El-Shafei, A., Dynamics of rotors incorporating squeeze film dampers, : Massachusetts Institute of Technology, 1988. Abstract
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E
Ahmed, A. M., and A. El-Shafei, "Effect of misalignment on the characteristics of journal bearings", Journal of Engineering for Gas Turbines and Power, vol. 130, no. 4: American Society of Mechanical Engineers, pp. 042501, 2008. Abstract
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El-Shafei, A., "Experimental and analytical investigation of hybrid squeeze film dampers", Journal of engineering for gas turbines and power, vol. 115, no. 2: American Society of Mechanical Engineers, pp. 353–359, 1993. Abstract
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El-Shafei, A., and M. El-Hakim, "Experimental investigation of adaptive control applied to HSFD supported rotors", ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition: American Society of Mechanical Engineers, pp. V004T03A015–V004T03A015, 1999. Abstract
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El-Shafei, A., S. H. Tawfick, and M. O. A. Mokhtar, "Experimental Investigation of the Effect of Angular Misalignment on the Instability of Plain Journal Bearings", ASME/STLE 2009 International Joint Tribology Conference: American Society of Mechanical Engineers, pp. 171–173, 2009. Abstract
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F
Yakoub, R. Y., and A. El-Shafei, A Fast Method to Obtain the Nonlinear Response of Multi-Mode Rotors Supported on Squeeze Film Dampers Using Planar Modes, Part I and Part II,' ASME Paper Nos. 98-GT-412 and 98-GT-413, , 1998. Abstract

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Yakoub, R. Y., and A. El-Shafei, "A Fast Method to Obtain the Nonlinear Response of Multi-Mode Rotors Supported on Squeeze Film Dampers Using Planar Modes: Part I—Theory", ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition: American Society of Mechanical Engineers, pp. V005T14A039–V005T14A039, 1998. Abstract
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Tawfick, S. H., A. El-Shafei, and M. O. A. Mokhtar, "Field Identification of Stiffness and Damping Characteristics of Fluid Film Bearings", ASME Turbo Expo 2008: Power for Land, Sea, and Air: American Society of Mechanical Engineers, pp. 1191–1201, 2008. Abstract
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El-Shafei, A., "A finite difference model for squeeze film dampers.", Journal of Engineering and Applied Science, vol. 49, no. 1, pp. 159–174, 2002. Abstract
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El-Shafei, A., "Fluid Inertia Effects in Squeeze Film Dampers", Proceedings of Damping, vol. 89, pp. 1–15, 1989. Abstract
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