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Keywords: flow instability
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Journal Articles
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101010.
Paper No: TURBO-20-1318
Published Online: April 21, 2022
... ournal of T urbomachinery . 27 10 2020 31 03 2021 31 03 2021 21 04 2022 centrifugal compressors stall inception rotating stall diffuser stall flow instability K. C. Wong Education Foundation 10.13039/501100012692 GJTD-2019-09 National Major Science...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041022.
Published Online: July 25, 2011
... flux and this introduces uncertainty. Tip Stanton number comparison between CFD and experiment 02 11 2010 12 09 2010 25 07 2011 25 07 2011 blades flow instability heat transfer Navier-Stokes equations rotors subsonic flow transonic flow turbines turbulence...
Journal Articles
Journal Articles
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031019.
Published Online: July 15, 2011
... 2011 15 07 2011 blades boundary layer turbulence bubbles flow instability flow separation laminar flow plates (structures) Although modern gas-turbine engines are highly developed, small improvements in performance can still yield significant economic benefits. Since...
Journal Articles
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031009.
Published Online: July 14, 2011
... blade profile. 22 08 2008 26 06 2009 14 07 2011 14 07 2011 blades bubbles flow control flow instability flow separation gas turbines jets wakes With the trend toward higher bypass ratios in turbofans, demands are increasing for the low pressure turbines (LPTs...
Journal Articles
Article Type: Research Papers
J. Turbomach. March 2012, 134(2): 021015.
Published Online: June 28, 2011
... and the jet, which is largely determined by the blowing ratio. 28 06 2010 23 07 2010 28 06 2011 28 06 2011 aerospace engines cooling films flow instability jets turbines Large gains in aero-engine efficiency and turbine specific work have been made possible by raising...
Journal Articles
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2012, 134(1): 011002.
Published Online: May 24, 2011
... to their potential for reduced environmental impact and their inherent noise challenge. aerospace propulsion aircraft computational fluid dynamics fans flow instability flow simulation jet engines rotors wakes 3D unsteady RANS simulations were carried out using the commercially available...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041016.
Published Online: April 21, 2011
... separation point and the synthetic jet is just at the separation point. actuators compressors flow control flow instability flow separation jets Navier-Stokes equations In the modern aero-engine design, the tendency toward weight reduction and pressure ratio enhancement leads to stronger...
Journal Articles
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031010.
Published Online: November 15, 2010
... regions, up to 15% higher. The results for the endwall heat transfer were compared with results in open literature and were found to be comparable. 27 08 2009 22 05 2010 15 11 2010 15 11 2010 blades flow instability flow simulation gas turbines heat transfer Navier-Stokes...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031009.
Published Online: November 12, 2010
... 2009 12 11 2010 12 11 2010 aerodynamics compressors computational fluid dynamics flow instability mechanical engineering computing nozzles turbomachinery In view of recently rising primary energy costs and the demand to reduce the emission of greenhouse gases, new...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031001.
Published Online: November 11, 2010
... that the unequal admission loss is not as significant in pulsating flow as it is in steady flow. 21 07 2009 13 08 2009 11 11 2010 11 11 2010 compressors flow instability interpolation pulsatile flow turbines Pulse turbocharging is widely used in a variety of internal...
Journal Articles
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
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021014.
Published Online: October 22, 2010
... flow instability rotors transonic flow More and more attentions have been paid on casing treatment since Koch and Smith ( 1 ) found that it could be used to expand the stable operating range of compressor. Investigations on casing treatment are divided into two parts: one is the attempts...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021010.
Published Online: October 21, 2010
... 2010 21 10 2010 blades compressors flow instability rotors stagnation flow transonic flow vortices wakes The design of highly loaded, high Mach number (HLHM) compressors (i.e., compressors with supersonic relative Mach numbers in an embedded stage) presents challenges...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021007.
Published Online: October 20, 2010
... 20 07 2009 28 07 2009 20 10 2010 20 10 2010 aerodynamics blades compressors flow instability subsonic flow Aircraft jet engines must be capable of operating safely away from their design condition. This requirement places a particular constraint on the design...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2011, 133(1): 011021.
Published Online: September 23, 2010
... , pp. 279 – 287 . 10.1115/1.3239560 08 07 2009 23 07 2009 23 09 2010 23 09 2010 aerodynamics blades damping design engineering elasticity flow instability Navier-Stokes equations The demand in turbomachine designs for higher aerothermal performance...