Publications

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1988
El-Shafei, A., Dynamics of rotors incorporating squeeze film dampers, : Massachusetts Institute of Technology, 1988. Abstract
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El-Shafei, A., "A New Design of Intershaft Squeeze Film Dampers", Proceedings of the Vibration Institute, pp. 15–23, 1988. Abstract
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1989
El-Shafei, A., "Fluid Inertia Effects in Squeeze Film Dampers", Proceedings of Damping, vol. 89, pp. 1–15, 1989. Abstract
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El-Shafei, A., "Unbalance response of a jeffcott rotor incorporating short squeeze film dampers", ASME 1989 International Gas Turbine and Aeroengine Congress and Exposition: American Society of Mechanical Engineers, pp. V005T13A004–V005T13A004, 1989. Abstract
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1991
El-Shafei, A., and S. H. Crandall, "Fluid inertia forces in squeeze film dampers", Rotating Machinery and Vehicle Dynamics, vol. 35: ASME Publication DE, pp. 219–228, 1991. Abstract
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El-Shafei, A., "Stability analysis of intershaft squeeze film dampers", Journal of sound and vibration, vol. 148, no. 3: Elsevier, pp. 395–408, 1991. Abstract
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El-Shafei, A., "Unbalance response of a Jeffcott rotor incorporating long squeeze film dampers", Journal of Vibration and Acoustics, vol. 113, no. 1: American Society of Mechanical Engineers, pp. 85–94, 1991. Abstract
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1992
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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1993
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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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., "Measuring vibration for machinery monitoring and diagnostics", The Shock and vibration digest, vol. 25, no. 1: Sage, pp. 3–14, 1993. Abstract
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El-Shafei, A., "MODELLING FLUID INERTIA FORCES OF SHORT JOURNAL BEARINGS", Vibration of rotating systems: presented at the 1993 ASME design technical conferences, 14th Biennial Conference on Mechanical Vibration and Noise, Albuquerque, New Mexico, September 19-22, 1993, vol. 60: Amer Society of Mechanical, pp. 129, 1993. Abstract
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Crandall, S. H., and A. El-Shafei, "Momentum and energy approximations for elementary squeeze-film damper flows", Journal of applied mechanics, vol. 60, pp. 728, 1993. Abstract
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1994
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., 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., "Insights into the static and dynamic characteristics of journal bearings", Proceedings of the Fourth IFToMM International Conference on Rotordynamics, pp. 307–315, 1994. Abstract
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El-Shafel, A., and J. P. Hathout, "Modelling and Control of HSFDs for Active Control of Rotor-Bearing Systems", ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition: American Society of Mechanical Engineers, pp. V005T14A004–V005T14A004, 1994. Abstract
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1995
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., "Modeling fluid inertia forces of short journal bearings for rotordynamic applications", Journal of vibration and acoustics, vol. 117, pp. 462, 1995. Abstract
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1996
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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Hathout, J. P., and A. El-Shafei, "PI control of HSFDs for active control of rotor-bearing systems", ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition: American Society of Mechanical Engineers, pp. V005T14A018–V005T14A018, 1996. Abstract
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Youssef, R., and A. El-Shafei, "Unbalance Response of a Multi-Mode Rotor Supported on Short Squeeze Film Dampers", ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition: American Society of Mechanical Engineers, pp. V005T14A006–V005T14A006, 1996. Abstract
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1997
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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