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Keywords: vibration control
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 021027.
Paper No: GTP-18-1386
Published Online: October 16, 2018
... 08 2018 gas foil bearing active gas bearing piezoelectric actuator vibration control rotordynamic instability The use of gas foil bearings (GFBs) has been widespread in various high-speed rotation machinery because of their enhanced rotordynamic performance at high speeds. A bump...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2012, 134(2): 022503.
Published Online: December 14, 2011
... flow instability hydrocarbon reservoirs laminar flow pumps rotors seals (stoppers) two-phase flow vibration control viscosity 11 04 2011 13 04 2011 14 12 2011 14 12 2011 2012 American Society of Mechanical Engineers ...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2011, 133(3): 032502.
Published Online: November 11, 2010
... friction numerical analysis steam turbines vibration control Experimental investigation of the dynamic response of structures such as bladed disks in gas and steam turbines is still of great importance. The exciting force pattern on the bladed disks is due to the gas (or steam) flowing through...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2011, 133(2): 022503.
Published Online: October 28, 2010
... user-defined performance criteria. 14 04 2010 27 04 2010 28 10 2010 28 10 2010 adaptive control machine bearings machine control magnetic bearings transient analysis turbomachinery vibration control Active magnetic bearings (AMBs) offer many advantages over...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2010, 132(12): 122503.
Published Online: August 27, 2010
...M. Necip Sahinkaya; Abdul-Hadi G. Abulrub; Clifford R. Burrows; Patrick S. Keogh The paper considers three issues in flexible rotor and magnetic bearing systems, namely, the control of rotor vibration, control of transmitted forces, and prevention of rotor contact with auxiliary bearings...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2010, 132(11): 112501.
Published Online: August 5, 2010
...Andrea Tonoli; Nicola Amati; Angelo Bonfitto; Mario Silvagni; Bernard Staples; Evgueni Karpenko The vibration control of rotors for gas or steam turbines is usually performed using passive dampers when hydrodynamic bearings are not used. In layouts where the rotating parts are supported by rolling...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2010, 132(9): 092503.
Published Online: June 7, 2010
... blades damping discs (structures) reduced order systems shock absorbers turbomachinery vibration control 11 09 2008 18 09 2008 07 06 2010 07 06 2010 2010 American Society of Mechanical Engineers ...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2010, 132(5): 052501.
Published Online: March 3, 2010
... resonance vibration control vibrations On the grounds of the vibrations envelope, as determined by Lewis and Kac, the monograms were developed ( 6 ), serving for the determination of the maximum amplitudes in the states of start-up and coasting. However, Michalczyk ( 7 ) showed that the values...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2010, 132(3): 032504.
Published Online: December 3, 2009
... aerospace engines machine bearings time-domain analysis vibration control Aero-engine assemblies typically have at least two nested rotors mounted within a flexible casing via squeeze-film damper (SFD) bearings. In leading European designs most of the SFDs are unsupported, as can be seen in Fig...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2010, 132(1): 012501.
Published Online: September 29, 2009
... ). squeeze film dampers air entrapment feed-squeeze flow number dimensionless air entrainment map cavitation compressible flow density finite volume methods fracture machine bearings machine control rotors stratified flow turbomachinery vibration control viscosity 28 03 2008...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2009, 131(4): 042504.
Published Online: April 13, 2009
... 04 04 2008 13 04 2009 machinery nonlinear systems seals (stoppers) vibration control Squeeze film dampers (SFDs) aid to reduce synchronous vibration amplitude and enhance stability characteristics in rotating machinery. Since first formally tested by Cooper ( 1 ) more than 40...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2009, 131(2): 022503.
Published Online: December 22, 2008
.../misalignment challenges, and poor stability. compressible flow gas turbines hydrodynamics hydrostatics machine bearings rotors vibration control 30 03 2008 07 04 2008 22 12 2008 2009 American Society of Mechanical Engineers ...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2008, 130(4): 042505.
Published Online: April 29, 2008
... testing orifices (mechanical) seals (stoppers) vibration control Squeeze film dampers (SFDs) are widely employed to reduce rotor vibration or to suppress instabilities in rotating machinery equipment. Main applications of SFD include aircraft jet engines and process gas compressors...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2007, 129(2): 549–555.
Published Online: July 14, 2006
... rotors machine control vibration control magnetic bearings wavelet transforms transient response control system synthesis signal reconstruction machine bearings Rotor/magnetic bearing systems may experience disturbances giving rise to transient rotor vibration. Unbalance changes, flow...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2006, 128(4): 879–888.
Published Online: November 3, 2005
... hydrogen crystal growth crystal orientation finite element analysis transients vibration control Single-crystal nickel-base superalloy turbine blades are especially prone to fretting/contact fatigue damage because the subsurface shear stresses induced by fretting action at the damper contact...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2004, 126(4): 855–866.
Published Online: November 24, 2004
... , pp. 1 – 9 . Chu , F. , and Holmes , R. , 2000 , “ The Damping Capacity of the Squeeze Film Damper in Suppressing the Vibration of a Rotating Assembly ,” Tribol. Int. , 33 ( 2 ), pp. 81 – 97 . Chu, F., 1993, The Vibration Control of a Flexible Rotor by Means of a Squeeze Film...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2004, 126(4): 848–854.
Published Online: November 24, 2004
...-38225. Manuscript received by IGTI, October 2002, final revision, March 2003. Associate Editor: H. R. Simmons. 01 March 2003 24 11 2004 machine bearings lubrication compressors rotors numerical analysis vibration control servomechanisms The development of new...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2004, 126(2): 366–372.
Published Online: June 7, 2004
... Rotor orbits at selected times (see Fig. 7 , rotor speed 24 Hz, 480 gcm unbalance). A–before vibration control, C–after modified synchronous vibration control, E–following final synchronous vibration control. 7 Modified synchronous vibration control with rotor contact (rotor speed 24 Hz, 480...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2006, 128(3): 644–652.
Published Online: March 1, 2004
.... Control 1077-5463 , 6 , pp. 903 – 921 . Szász , G. , Flowers , G. T. , and Hartfield , R. J. , 2000 , “ Hub-Based Vibration Control of Multiple Rotating Airfoils ,” J. Propul. Power 0748-4658 , 16 ( 6 ), pp. 1155 – 1163 . Szász , G. , and Flowers , G. T. , 2001...