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Keywords: cavitation
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Journal Articles
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031024.
Published Online: December 7, 2010
... aerodynamics cavitation channel flow finite volume methods heat transfer jets Navier-Stokes equations temperature distribution State-of-the-art gas turbine engines are designed to operate at turbine inlet temperatures over 1850 K. Since modern alloys can withstand temperatures up to about 1350 K...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021018.
Published Online: October 25, 2010
... at midaxial plane (Fourier solution, reconstructed): Direct solution of ( a ) 14 harmonics and ( b ) 10 harmonics 14 07 2009 04 08 2009 25 10 2010 25 10 2010 cavitation discs (structures) flow instability Fourier analysis heat transfer rotors vortices...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021008.
Published Online: October 21, 2010
... 2010 21 10 2010 aerodynamics aerospace engines cavitation computational fluid dynamics cooling jets stators swirling flow turbines The ingestion of hot gas in the stator-rotor gas turbine cavities has to be avoided in order to prevent or limit the overheating of turbine...
Journal Articles
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
Article Type: Research Papers
J. Turbomach. April 2009, 131(2): 021005.
Published Online: January 22, 2009
... for axial gap seals and the experiments showed a reasonable agreement for both close- and wide-spaced stages. 30 03 2007 24 08 2007 22 01 2009 aerospace engines blades cadmium cavitation confined flow cooling discs (structures) flow simulation gas turbines numerical analysis...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2009, 131(1): 011007.
Published Online: October 3, 2008
... to leak and hence a loss of 1–3% on stage efficiency (Booth et al. ( 1 )). aerodynamics blades cavitation heat transfer turbines 27 08 2007 04 01 2008 03 10 2008 A numerical study has been performed to investigate the effect of casing motion on the tip leakage flow...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2009, 131(1): 011006.
Published Online: October 3, 2008
... upstream of the squealer. Acharya et al. ( 15 ) and Kwak et al. ( 23 ) also reported the superior heat transfer performance of the suction-side squealer geometry compared to the cavity and flat tip. 30 06 2007 04 01 2008 03 10 2008 aerodynamics cavitation heat transfer turbines...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2009, 131(1): 011004.
Published Online: October 2, 2008
... are higher than those for the backward-facing step. The cause of these flow features is explained next. 11 02 2007 03 12 2007 02 10 2008 blades boundary layers bubbles cavitation turbines Nowadays, the design of modern low-pressure turbines is a compromise between...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2008, 130(4): 041001.
Published Online: June 17, 2008
... in the turbine design process. In high pressure (HP) steam turbines, shrouded blades are commonly used in order to minimize and control the leakage flow. aerodynamics cavitation confined flow steam turbines 18 06 2007 19 06 2007 17 06 2008 2008 American Society...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2008, 130(4): 041002.
Published Online: June 17, 2008
... ∕ m ̇ c p T 0 , in [ 1 − ( p 0 , ex ∕ p 0 , in ) ( γ − 1 ) ∕ γ ] 18 06 2007 19 06 2007 17 06 2008 aerodynamics cavitation flow control geometry position control turbines The shroud leakage flow mainly...
Journal Articles
Article Type: Technical Papers
J. Turbomach. October 2004, 126(4): 578–586.
Published Online: December 29, 2004
... received by IGTI, October 1, 2003; final revision, March 1, 2004. IGTI Review Chair: A. J. Strazisar. 13 June 2004 01 October 2003 01 March 2004 29 12 2004 rotors stators cavitation transonic flow Navier-Stokes equations flow simulation computational fluid dynamics...