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Keywords: discs (structures)
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041020.
Published Online: July 25, 2011
... temperature increases the amount of deposits significantly. blades boundary layer turbulence coating techniques computational fluid dynamics cooling discs (structures) fly ash gas turbines Navier-Stokes equations temperature distribution 21 10 2010 03 12 2010 25 07 2011...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Turbomach. July 2012, 134(4): 044501.
Published Online: July 19, 2011
... compressors design engineering discs (structures) friction vibrations Bladed disk assemblies in aeroengine compressors are sometimes replaced by bladed disks manufactured as single components, either by welding blades on rotors or by machining entire bladed disks from single pieces of metal...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021018.
Published Online: October 25, 2010
... be captured by the present Fourier solution with even one harmonic. 14 07 2009 04 08 2009 25 10 2010 25 10 2010 cavitation discs (structures) flow instability Fourier analysis heat transfer rotors vortices The overall efficiency of gas turbines is strongly dependent...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021011.
Published Online: October 21, 2010
... the experimental data at the rotor exit shows the greatest unsteadiness within the rotor hub passage with the first endwall design. 20 07 2009 21 07 2009 21 10 2010 21 10 2010 blades design engineering discs (structures) jets rotors sealing materials stators turbines vortices...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Turbomach. October 2010, 132(4): 044501.
Published Online: April 29, 2010
... series expansion can be used to efficiently compute eigenvalues and eigenvectors of a mistuned system. Numerical examples are presented to corroborate the validity of theoretical analysis. 23 01 2008 09 01 2009 29 04 2010 29 04 2010 blades discs (structures) eigenvalues...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2010, 132(3): 031006.
Published Online: March 24, 2010
... 24 03 2010 24 03 2010 compressors computational fluid dynamics cooling discs (structures) gas turbines maximum entropy methods rotational flow rotors thermodynamics vortices rotating cavity buoyancy far-from-equilibrium thermodynamics self-organizing systems maximum...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021021.
Published Online: January 21, 2010
... and generally more unsteady flow field at the rotor exit near the hub. The injection causes the turbine efficiency to deteriorate by about 0.6%. 20 08 2008 29 08 2008 21 01 2010 21 01 2010 cavitation cooling discs (structures) flow instability gas turbines rotors seals...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2009, 131(4): 041008.
Published Online: July 2, 2009
... where the stiffness perturbation dominates. 20 08 2008 03 09 2008 02 07 2009 aerodynamics blades computational fluid dynamics damping discs (structures) turbomachinery The vast majority of turbomachinery blade mistuning studies have been conducted using only...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2009, 131(3): 031007.
Published Online: April 8, 2009
... for an academic rotor are presented to establish the validity of the technique. 22 07 2007 22 02 2008 08 04 2009 blades discs (structures) geometry reduced order systems rotors vibrations Mistuning refers to inevitable variations in blades’ properties, which arise during...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2009, 131(3): 031002.
Published Online: April 2, 2009
... to blade mistuning, which can be characterized by the higher percentage of blades on the total blisk strain energy. 29 01 2007 15 08 2008 02 04 2009 aerospace engines blades discs (structures) fatigue rotors vibrations blisk mistuning mode localization blade vibration...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2009, 131(2): 021005.
Published Online: January 22, 2009
... Characteristics for Axial Gap Rim Seals in a Close-Spaced Turbine Stage From a Numerical Simulation ,” ASME Paper No. GT2006-90965. 30 03 2007 24 08 2007 22 01 2009 aerospace engines blades cadmium cavitation confined flow cooling discs (structures) flow simulation gas turbines...
Journal Articles
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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2008, 130(1): 011011.
Published Online: January 25, 2008
... minimum possible. 16 09 2003 11 01 2007 25 01 2008 blades discs (structures) turbines numerical analysis Bladed disks, such as those in fans, compressors, and turbines, rotate through circumferential pressure disturbances caused by struts, vanes, stators, or other...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2007, 129(4): 730–739.
Published Online: August 15, 2006
... discs (structures) blades Coriolis force vibrations mechanical stability One of the major problems in turbomachinery bladed disk vibration is related to scatter in the blades’ forced response amplitudes (resulting from variability in blades’ properties) as this might lead to excessive...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2007, 129(3): 495–502.
Published Online: July 25, 2006
... , “ Aeroelastic Design of Turbine Blades-ADTurB II Overview ,” Proceedings 6th European Turbomachinery Conference , Lille, France. 7–11 March, Paper No. AMP-105̱01/62. blades discs (structures) vibrations mechanical contact friction The capabilities of the method proposed to analyze structures...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2007, 129(1): 143–150.
Published Online: February 1, 2006
... of the new models and an analysis of the influence of the damper parameters on the forced response of bladed disks is made. 01 10 2005 01 02 2006 blades discs (structures) friction vibration control mechanical contact finite element analysis Due to the high density of natural...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2006, 128(2): 403–410.
Published Online: September 28, 2005
... accurate, fast, and robust predictive tools for the analysis of forced vibration response levels of bladed disks under operating conditions is a problem of major practical importance. damping mechanical contact blades discs (structures) finite element analysis friction 25 08 2005...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Turbomach. January 2006, 128(1): 206–210.
Published Online: August 1, 2005
... accuracy relative to finite element results, even for a case in which the displacement and stress levels show different frequency response trends. 23 02 2005 01 08 2005 blades vibrations discs (structures) turbines engines reduced order systems finite element analysis reliability...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2005, 127(1): 128–136.
Published Online: February 9, 2005
... 2004 01 October 2003 01 March 2004 09 02 2005 vibrations damping finite element analysis discs (structures) nonlinear equations turbines mechanical contact Blade mistuning is inevitable in practical bladed disks and is usually caused by small imperfections...