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Keywords: elasticity
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Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2012, 134(2): 021009.
Published Online: June 23, 2011
... . 24 09 2010 29 10 2010 23 06 2011 23 06 2011 blades elasticity failure (mechanical) fans jet engines stators Advanced design composite fan stators at Honeywell have encountered high amplitude vibrations during development. Sanders ( 1 ) reported the destructive...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041029.
Published Online: April 27, 2011
... compressible flow elasticity fans turbomachinery 19 08 2009 28 10 2009 27 04 2011 27 04 2011 Aerodamping along high working line HWK 1D forward and backward waves ( 10 4 Pa ) ( a ) Amplitude and ( b ) phase of the reflected wave...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041030.
Published Online: April 27, 2011
...Jean Thomassin; Huu Duc Vo; Njuki W. Mureithi Nonsynchronous vibration (NSV) is a particular type of aero-elastic phenomenon, where the rotor blades vibrate at nonintegral multiples of the shaft rotational frequencies. NSV behavior appears similar to off-design stall flutter but with a particular...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2011, 133(1): 011021.
Published Online: September 23, 2010
...L. He; D. X. Wang Increasing aerothermal and aero-elastic performance requirements and constraints are closely linked in modern blading designs. There is thus a need for more concurrent interaction between the disciplines at earlier stages of a design process. Presented in this paper...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2010, 132(4): 041003.
Published Online: April 26, 2010
... elasticity jet engines vehicle dynamics In many aeropropulsion applications, a relatively low fidelity engine model (i.e., without volume dynamics), which includes speed and temperature dynamics with the appropriate component performance characteristics, is adequate to design control laws...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011012.
Published Online: September 17, 2009
.... By running the redesigned blisk at operating conditions deep into the unstable region of the tuned blisk, it is demonstrated that a relative low level of mistuning is sufficient to eliminate rotor flutter. 28 08 2008 15 10 2008 17 09 2009 aerospace propulsion blades elasticity...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2009, 131(2): 021016.
Published Online: January 29, 2009
.... 01 08 2007 05 12 2007 29 01 2009 aerodynamics blades damping elasticity mechanical stability rings (structures) springs (mechanical) stators structural engineering turbines vibrations Corral , R. , Gallardo , J. , and Vasco , C. , 2007...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2009, 131(1): 011013.
Published Online: October 28, 2008
.... This phenomenon, causing discontinuities in the frequency versus jet velocity characteristic, is known as staging of the impinging shear layer. 13 06 2007 24 08 2007 28 10 2008 aerospace engines blades compressors elasticity jets rotors shafts vibrations Nonsynchronous...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2009, 131(1): 011009.
Published Online: October 17, 2008
... turbine mass flow, inlet flow conditions to the LSMB are therefore fixed over a range of exit pressure. 08 06 2007 19 07 2007 17 10 2008 aerodynamics computational fluid dynamics damping elastic constants elasticity machinery production industries steam power stations...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2009, 131(1): 011011.
Published Online: October 17, 2008
... discs (structures) elasticity flexible structures rotors vibrations As modern jet engines trend toward lighter-weight designs, rotor loading and flexibility increase, increasing flutter risk. Effective flutter prediction tools and an understanding of flutter mitigation strategies...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2008, 130(3): 031017.
Published Online: May 6, 2008
... into the low pressure compression domain but also the expected hysteresis pattern of the surge loop in terms of its mass flow versus pressure characteristic. 20 02 2007 22 02 2007 06 05 2008 compressible flow compressors elasticity flow instability flow visualisation machine testing...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2007, 129(2): 404–411.
Published Online: June 6, 2006
... correlation between the running and static patterns is demonstrated. 25 05 2006 06 06 2006 gas turbines fans blades aerodynamics engines elasticity stagger variability stagger pattern untwist This section presents a comparison of the aerodynamic performance...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2004, 126(2): 310–316.
Published Online: June 15, 2004
.... Benvenuti. 03 June 2002 01 December 2001 01 March 2002 15 06 2004 elasticity Navier-Stokes equations computational fluid dynamics integral equations transonic flow subsonic flow turbines In modern turbomachinery design and development, it is crucial to predict...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2004, 126(1): 166–174.
Published Online: March 26, 2004
... vibration measurement numerical analysis computational fluid dynamics benchmark testing mechanical engineering computing stress analysis compressors elasticity torsion Stall flutter has been one of the most difficult aeroelastic problems to predict in turbomachinery, with two distinct stall...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2007, 129(1): 72–83.
Published Online: March 1, 2004
... to the critical damping is found. This qualitative difference between both configurations had not been reported before. 01 10 2003 01 03 2004 elasticity welding blades discs (structures) turbines Navier-Stokes equations damping aerodynamics mechanical stability rotors Flutter...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2001, 123(3): 519–525.
Published Online: February 1, 2000
.... 08 May 2000 01 February 2000 flow separation gas turbines aerodynamics oscillations pressure measurement test facilities design of experiments elasticity flow instability The development of modern steam turbine generators is strongly influenced by the capabilities...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2001, 123(2): 402–408.
Published Online: February 1, 2000
.... Review Chair: D. Ballal. 08 May 2000 01 February 2000 aircraft compressors vibrations frequency-domain analysis aerodynamics elasticity flow separation time-domain analysis flow simulation The development of modern aircraft engine compressors with increased pressure...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2000, 122(1): 93–101.
Published Online: February 1, 1998
... and Exhibition, Stockholm, Sweden, June 2–5, 1998. Manuscript received by the International Gas Turbine Institute February 1998. Paper No. 98-GT-571. Associate Technical Editor: R. E. Kielb. 02 June 1998 01 February 1998 gas turbines aerodynamics elasticity flow simulation oscillations...