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Keywords: numerical analysis
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Journal Articles
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031016.
Published Online: July 15, 2011
... on blade inclination angle has been developed, based on an analytical code coupled to a solid modeling software that was linked to a finite volume CFD code for the calculation of rotor performance. Some aspects still remain to be investigated: First of all, numerical analysis need to be extended...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2012, 134(1): 011021.
Published Online: June 1, 2011
... intensity, the flow resistance characteristic of the waist-shaped slot hole, which has a larger exit-entry area ratio, is much better. 01 08 2010 08 08 2010 01 06 2011 01 06 2011 cooling gas turbines heat transfer jets numerical analysis turbulence vortices film...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041009.
Published Online: April 20, 2011
... 2011 20 04 2011 aerodynamics cooling gas turbines jets numerical analysis turbulence Various methods have been developed over the years to keep turbine airfoil temperatures below critical levels. The main objective in turbine airfoil cooling is usually to achieve maximum heat...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031028.
Published Online: February 28, 2011
... et al. ( 4 ) and Sakai et al. ( 5 ) have conducted numerical analysis to investigate the effect of shape parameters on the performance of partial admission turbines. Authors like He ( 1 ) examined the effect of multiblocking on the performance of a two stage partial admission turbine...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031026.
Published Online: February 28, 2011
... compressions 22 12 2008 25 05 2009 28 02 2011 28 02 2011 computational fluid dynamics numerical analysis wet compression two-phase flow numerical simulation separated flow The compressor of a gas turbine consumes as a rule of thumb about 1/2–2/3 of useful...
Journal Articles
Article Type: Errata
J. Turbomach. July 2011, 133(3): 037001.
Published Online: February 28, 2011
...Gottfried Laschet 21 01 2008 28 01 2008 28 02 2011 28 02 2011 cooling heat treatment numerical analysis plates (structures) transpiration velocity measurement In Figs. 7 8 of the published article the velocity profiles, induced by a negative unit pressure...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2011, 133(1): 011006.
Published Online: September 9, 2010
... of the cascade. In all the cases the conclusion that the acoustic field obtained in the presence of the cascade is very similar to that of the purely periodic remains valid. 29 07 2008 13 02 2009 09 09 2010 09 09 2010 aerodynamics blades numerical analysis turbomachinery...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2010, 132(4): 041015.
Published Online: May 6, 2010
... unchanged. The total temperature distortion generally grows as flow passes through the fan stages. 09 09 2008 28 01 2009 06 05 2010 06 05 2010 computational fluid dynamics fans numerical analysis Unsteady Reynolds-Averaged Navier-Stokes (RANS) calculations were...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2010, 132(4): 041014.
Published Online: May 6, 2010
... fluid dynamics distortion fans Navier-Stokes equations numerical analysis pressure measurement temperature measurement The fan and compressor of a modern aircraft engine are seldom run in a uniform inlet flow field after entering service. Ever since the early days of aircraft engine...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2010, 132(4): 041012.
Published Online: May 5, 2010
... 2010 05 05 2010 blades centrifuges compressors flow measurement impellers multiphase flow Navier-Stokes equations numerical analysis subsonic flow transonic flow velocimeters In the past decades interest has been increasingly devoted to the development of turbochargers...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2010, 132(3): 031007.
Published Online: March 25, 2010
... , Compressor Aerodynamics , Longman , Harlow, UK . 26 08 2008 03 09 2008 25 03 2010 25 03 2010 drag fans flow simulation jet engines Mach number mass transfer nozzles numerical analysis rotors 1 An important consideration in the design of nacelles...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2010, 132(3): 031009.
Published Online: March 25, 2010
.... This lack of commercial use is the motivation for the current study. gas turbine tandem blade compressor rotor computational aerospace components aerospace engines blades compressors gas turbines numerical analysis rotors 29 09 2008 28 01 2009 25 03 2010 25 03...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021017.
Published Online: January 20, 2010
... numerical analysis pattern formation rotors shock waves transonic flow turbulence vortices Unsteady flows in the tip region are one of the sources of noise, blade vibration, and flow losses in compressors ( 1 ). In some cases, unsteady tip leakage flow was demonstrated to potentially link...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021007.
Published Online: January 12, 2010
... 12 01 2010 12 01 2010 computational fluid dynamics numerical analysis quadratic programming turbines Endwall losses in turbines contribute significantly to the overall losses, especially when cost and weight reasons induce the reduction in stage number and airfoil count...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021006.
Published Online: January 11, 2010
... 02 2009 11 01 2010 11 01 2010 aerodynamics blades heat transfer numerical analysis rotors stators transonic flow turbines turbomachinery Ensuring an adequate blade life at the temperatures reached in today’s advanced engines requires efficient cooling methods...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2009, 131(4): 041003.
Published Online: June 30, 2009
... effectiveness and the associated heat transfer coefficients have been reported. 01 04 2008 20 11 2008 30 06 2009 blades cooling gas turbines numerical analysis rotors turbulence The inlet temperature of a modern gas turbine has continually increased to achieve high thrust...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2009, 131(3): 031015.
Published Online: April 20, 2009
... load on the rotor blade. The authors wish to acknowledge the financial support from the National 973 Research Program of China through Grant No. 2007CB210108. 09 04 2008 13 04 2008 20 04 2009 blades confined flow flow instability flow simulation heat transfer numerical...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2009, 131(3): 031010.
Published Online: April 9, 2009
...A. T. Simpson; S. W. T. Spence; J. K. Watterson This paper details the numerical analysis of different vaned and vaneless radial inflow turbine stators. Selected results are presented from a test program carried out to determine performance differences between the radial turbines with vaned stators...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2009, 131(3): 031001.
Published Online: April 2, 2009
..., which is most appropriate for flow measurements. The design procedures necessary to achieve a desired flow condition are discussed. 09 12 2006 26 07 2008 02 04 2009 blades flow simulation heat conduction numerical analysis pipe flow turbines Large-scale efforts...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2009, 131(2): 021020.
Published Online: February 3, 2009
... over rough surfaces is a major shortcoming of the widely used computational fluid dynamics (CFD) codes ( 1 ). blades drag gas turbines heat transfer numerical analysis random processes rough surfaces two-phase flow 28 08 2007 22 10 2007 03 02 2009 2009 American...