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Keywords: flow simulation
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Journal Articles
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041011.
Published Online: July 21, 2011
... models was achieved. 04 09 2010 29 12 2010 21 07 2011 21 07 2011 compressible flow flow simulation impellers Mach number rotational flow In Part I of this paper ( 1 ), a 3D compressible flow model was described for studying rotating stall of vaneless diffuser...
Journal Articles
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031008.
Published Online: July 14, 2011
... and the vortex structures clearly, and overpredict film cooling effectiveness on the partial surface. 28 06 2010 23 07 2010 14 07 2011 14 07 2011 blades computational fluid dynamics convection cooling durability flow simulation gas turbines turbulence Application...
Journal Articles
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031007.
Published Online: July 14, 2011
... , New York . blades boundary layers channel flow Coriolis force flow simulation heat transfer turbines Modern turbine blades are exposed to increasingly hot combustion gas temperatures required to increase the overall thrust of the turbine. These combustion gas temperatures more...
Journal Articles
Article Type: Research Papers
J. Turbomach. March 2012, 134(2): 021025.
Published Online: July 7, 2011
... 07 07 2011 07 07 2011 boundary layer turbulence cooling flow simulation jets turbines Although the advance in metallurgy clearly increased the potential temperature of the turbine component material, the cooling methods are the essential technology that allows higher turbine...
Journal Articles
Article Type: Research Papers
J. Turbomach. March 2012, 134(2): 021024.
Published Online: July 7, 2011
.../1.39947 02 07 2010 30 07 2010 07 07 2011 07 07 2011 compressors flow simulation Navier-Stokes equations turbines turbomachinery The industrial application of LES and hybrid RANS-LES is increasing. However, the more robust general solvers through which...
Journal Articles
Article Type: Research Papers
J. Turbomach. March 2012, 134(2): 021021.
Published Online: June 30, 2011
... model 04 08 2010 28 08 2010 30 06 2011 30 06 2011 aerospace engines computational fluid dynamics Coriolis force finite volume methods flow simulation gas turbines heat transfer Navier-Stokes equations vortices Gas turbines are widely used for power...
Journal Articles
Article Type: Research Papers
J. Turbomach. March 2012, 134(2): 021017.
Published Online: June 29, 2011
... recovery can be in error by up to 30%. 12 07 2010 28 07 2010 29 06 2011 29 06 2011 boilers cogeneration computational fluid dynamics flow separation flow simulation gas turbines heat recovery turbulence Large industrial gas turbines for combined heat and power...
Journal Articles
Article Type: Research Papers
J. Turbomach. March 2012, 134(2): 021016.
Published Online: June 28, 2011
... 2010 15 07 2010 28 06 2011 28 06 2011 blades computational fluid dynamics cooling flow simulation gas turbines jets impinging jets mist cooling heat transfer enhancement multiphase flow gas turbine blade cooling curved surface Jet impingement heat transfer...
Journal Articles
Article Type: Research Papers
J. Turbomach. March 2012, 134(2): 021005.
Published Online: June 22, 2011
... temperature, which in turn has prompted them to use efficient cooling systems and thermal barrier coatings for the components that are subjected to high thermal loads. aerospace engineering aerospace engines blades flow simulation heat transfer Navier-Stokes equations 01 09 2010 21...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2012, 134(1): 011005.
Published Online: May 25, 2011
... predicted heat flux and ( b ) predicted adiabatic wall temperature 01 07 2010 04 07 2010 25 05 2011 25 05 2011 aerodynamics blades computational fluid dynamics flow instability flow simulation heat transfer rotors turbines hot-streak OTDF RTDF HP turbine...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2012, 134(1): 011003.
Published Online: May 24, 2011
... gas turbine power system. blades flow simulation gas turbines infrared imaging multiphase flow syngas 28 06 2010 01 07 2010 24 05 2011 24 05 2011 2012 American Society of Mechanical Engineers ...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2012, 134(1): 011001.
Published Online: May 24, 2011
... study of the present harmonic balance is performed and compared with a reference well-resolved classical unsteady flow simulation. The results show, on one hand, the good behavior of the harmonic balance and its ability to correctly predict global quantities as well as local flow pattern; on the other...
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): 041020.
Published Online: April 25, 2011
... of rotation helps pressurize the cavity and is responsible for preventing hot gas from entering the buffer cavity. 11 08 2009 21 11 2009 25 04 2011 25 04 2011 computational fluid dynamics coolants cooling flow simulation rotors stators transonic flow turbines wheels...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041021.
Published Online: April 25, 2011
... layers bubbles flow control flow separation flow simulation jets turbines vortices 29 06 2010 11 07 2010 25 04 2011 25 04 2011 2011 American Society of Mechanical Engineers ...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041003.
Published Online: April 19, 2011
..., for the flat endwall 28 06 2010 30 06 2010 19 04 2011 19 04 2011 aerodynamics compressors computational fluid dynamics flow simulation gas turbines heat transfer turbulence Vortical secondary flows near the airfoil-endwall junction in an axial turbine...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041002.
Published Online: April 19, 2011
... location contributed to the high heat transfer. The measured differences in heat transfer for the various midpassage gap flowrates tested did not appear to have a significant effect. aerodynamics blades combustion coolants flow simulation heat transfer turbines The need to further improve...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031023.
Published Online: December 7, 2010
... in the seal region. 07 02 2010 22 02 2010 07 12 2010 07 12 2010 flow simulation gas turbines pressure measurement rotors seals (stoppers) stators velocity measurement In gas turbine stages, the ingestion of mainstream gas into rotor-stator disk cavities...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031018.
Published Online: November 18, 2010
... the tip. In addition, different components of the average passage body forces (deterministic stresses) are explored that shows the main terms are the axial momentum and the metal blockage. flow instability flow simulation rotors transonic flow turbogenerators vortices wakes Transonic...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031015.
Published Online: November 16, 2010
... to the heat transfer patterns predicted by steady and unsteady simulations to be different. 24 08 2009 28 08 2009 16 11 2010 16 11 2010 computational fluid dynamics flow simulation heat transfer rotors turbines turbulence It is known that flow through the high pressure...