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Keywords: flow instability
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101010.
Paper No: TURBO-20-1318
Published Online: April 21, 2022
... 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 and Technology Projects of China...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041022.
Published Online: July 25, 2011
... of the leakage flow, it results in a drop in efficiency. blades flow instability heat transfer Navier-Stokes equations rotors subsonic flow transonic flow turbines turbulence 02 11 2010 12 09 2010 25 07 2011 25 07 2011 The United States Government retains...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041010.
Published Online: July 21, 2011
... 2010 31 12 2010 21 07 2011 21 07 2011 compressible flow compressors finite difference methods flow instability Mach number rotational flow singular value decomposition vaneless diffuser rotating stall 3D compressible flow linear inviscid model The radial...
Journal Articles
Publisher: ASME
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
Publisher: ASME
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
Publisher: ASME
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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2012, 134(1): 011005.
Published Online: May 25, 2011
... with an engine-representative nonuniform inlet temperature profile. hot-streak OTDF RTDF HP turbine heat transfer aerothermodynamics HP rotor rotor casing aerodynamics blades computational fluid dynamics flow instability flow simulation heat transfer rotors turbines 01 07...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2012, 134(1): 011002.
Published Online: May 24, 2011
.... The results suggest that advanced open rotor designs can possibly meet Stage 4 noise requirements. 08 07 2010 05 09 2010 24 05 2011 24 05 2011 aerospace propulsion aircraft computational fluid dynamics fans flow instability flow simulation jet engines rotors wakes...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041016.
Published Online: April 21, 2011
... easily. The separated flow constrains both efficiency and pressure ratio. Therefore, it is increasingly urgent to address the control of flow separation in axial compressor. actuators compressors flow control flow instability flow separation jets Navier-Stokes equations 03 10 2007...
Journal Articles
Journal Articles
Publisher: ASME
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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031009.
Published Online: November 12, 2010
... gases, new technologies have to be implemented promising increased efficiency in turbomachinery. aerodynamics compressors computational fluid dynamics flow instability mechanical engineering computing nozzles turbomachinery 11 08 2009 14 09 2009 12 11 2010 12 11...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031001.
Published Online: November 11, 2010
... unsteady performance could be predicted as an integration of steady behavior on a case-by-case basis. compressors flow instability interpolation pulsatile flow turbines 21 07 2009 13 08 2009 11 11 2010 11 11 2010 To understand the source of these efficiency trends...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031004.
Published Online: November 11, 2010
... aerodynamics blades compressors ducts flow instability mechanical stability The operable range of compressors is limited by the aerodynamic stability boundary, which is also known as the stall line or surge line. Much research has been aimed at trying to clarify...
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): 021019.
Published Online: October 25, 2010
... cooling effectiveness and overall effectiveness over the entire surface. 20 07 2009 31 07 2009 25 10 2010 25 10 2010 blades cooling engines flow instability flow separation Mach number pressure measurement pulsatile flow temperature measurement turbulence wakes...
Journal Articles
Publisher: ASME
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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021010.
Published Online: October 21, 2010
... 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 specific to the operating regime, because...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021007.
Published Online: October 20, 2010
..., the implications of these findings for the design of casing grooves of different depths are discussed. 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2011, 133(1): 011021.
Published Online: September 23, 2010
... surfaces 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 and more compact configurations...