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Keywords: numerical analysis
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031016.
Published Online: July 15, 2011
... downward thrust on the blade. Some aspects still remain to be investigated: First of all, numerical analysis need to be extended in order to examine the effect of constructing the blade profile using inclined (normal to leading edge) airfoil sections, which could achieve better performance, due...
Journal Articles
Journal Articles
Publisher: ASME
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
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031026.
Published Online: February 28, 2011
... dynamics numerical analysis wet compression two-phase flow numerical simulation separated flow A two-way coupling is accomplished by alternately solving the dispersed and continuous phase equations to obtain a reasonable convergent solution of the compressor flow field. While...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2011, 133(1): 011006.
Published Online: September 9, 2010
.... This is especially true if we are aiming to identify the spatial modes associated with the bar/airfoil interaction. 29 07 2008 13 02 2009 09 09 2010 09 09 2010 aerodynamics blades numerical analysis turbomachinery vortices Matching experimental data and analytical results...
Journal Articles
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2010, 132(3): 031007.
Published Online: March 25, 2010
... drag fans flow simulation jet engines Mach number mass transfer nozzles numerical analysis rotors 1 An important consideration in the design of nacelles for commercial aircraft engines is the propulsion system drag at engine-out “windmill” conditions, where the fan rotor...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021017.
Published Online: January 20, 2010
.... blades fans flow instability fluid oscillations numerical analysis pattern formation rotors shock waves transonic flow turbulence vortices As indicated in Fig. 5 , there is a threshold value of mass flow rate for the onset of tip leakage flow unsteadiness for tip clearances of 1.1...
Journal Articles
Publisher: ASME
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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021006.
Published Online: January 11, 2010
... 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. In high-pressure turbine stages, cold air is ejected from the cavity...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2009, 131(3): 031015.
Published Online: April 20, 2009
... simulation heat transfer numerical analysis unsteady flow hot streak three dimensional numerical simulation gas turbine The inlet temperature field of gas turbine is usually nonuniform or distorted, as the combustor exit flow has both the circumferential and radial temperature gradients...
Journal Articles
Publisher: ASME
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
Publisher: ASME
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
Publisher: ASME
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...