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Keywords: stagnation flow
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Journal Articles
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041022.
Published Online: April 26, 2011
... calibration cooling engines heat conduction nozzles pressure measurement radiation stagnation flow temperature measurement thermocouples transducers valves Precise and reliable instruments for stagnation temperature and pressure measurements in the most hostile sections of the turbine...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021010.
Published Online: October 21, 2010
... calculations are presented to give estimates of the magnitude and nature of this phenomenon. 20 07 2009 20 08 2009 21 10 2010 21 10 2010 blades compressors flow instability rotors stagnation flow transonic flow vortices wakes The design of highly loaded, high Mach...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2009, 131(2): 021015.
Published Online: January 29, 2009
... with the measured heat transfer augmentation. 30 07 2007 30 08 2007 29 01 2009 boundary layer turbulence heat transfer stagnation flow As engine manufacturers strive to raise turbine inlet air temperatures upwards to 3000 ° F ( 1650 ° C ) , they are limited...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2009, 131(2): 021010.
Published Online: January 23, 2009
... turbines stagnation flow turbulence The performance of gas turbine engines is highly dependent on the operation and durability of the hot section, which includes the combustor and high pressure turbine. The vanes and blades of the high pressure turbine must operate in a very harsh flow...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2008, 130(2): 021001.
Published Online: February 12, 2008
... measurement stagnation flow thermal resistance In a gas turbine, the leading edge of a turbine vane or blade withstands the highest gas path pressures and temperatures of any part of the airfoil surface. Detailed knowledge of the aerodynamics and heat transfer sustained by a turbine airfoil leading...
Journal Articles
Article Type: Technical Papers
J. Turbomach. July 2007, 129(3): 619–627.
Published Online: August 8, 2006
... 09 03 2006 08 08 2006 coolants gas turbines jet engines combustion equipment aerodynamics nozzles turbulence stagnation flow film cooling hot streak coolant distribution With the continued drive towards higher turbine inlet temperatures, accounting for temperature...
Journal Articles
Article Type: Technical Papers
J. Turbomach. January 2005, 127(1): 215–221.
Published Online: February 9, 2005
... focused on surface measurements of the downstream rotor, and therefore do not directly address the attenuation of the hot streak itself. flow measurement boundary layer turbulence stagnation flow wakes heat transfer 13 June 2004 01 October 2003 01 March 2004 09 02 2005...
Journal Articles
Article Type: Technical Papers
J. Turbomach. January 2004, 126(1): 139–149.
Published Online: March 26, 2004
... June 2003 01 December 2002 01 March 2003 26 03 2004 heat transfer gas turbines turbulence aerodynamics nitrogen compounds computational fluid dynamics flow simulation stagnation flow nozzles heat exchangers Current approaches to achieving a low level of thermal...
Journal Articles
Article Type: Technical Papers
J. Turbomach. January 2004, 126(1): 110–121.
Published Online: March 26, 2004
... 26 03 2004 boundary layer turbulence vortices heat transfer rotors transonic flow Mach number thermal conductivity liquid crystals laminar to turbulent transitions stagnation flow aerodynamics computational fluid dynamics gas turbines Turbine blade aerodynamics...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2003, 125(2): 252–259.
Published Online: April 23, 2003
..., The Netherlands, June 3–6, 2002. Manuscript received by the IGTI October 10, 2001. Paper No. 2002-GT-30520. Review Chair: E. Benvenuti. 03 June 2002 10 October 2001 23 04 2003 turbines aerodynamics cooling film flow flow simulation stagnation flow Navier-Stokes equations...
Journal Articles
Article Type: Article
J. Turbomach. January 2001, 123(1): 79–80.
Published Online: January 1, 2001
...N. A. Cumpsty, Chief Technologist, compressors centrifuges optimisation fluid dynamics turbulence stagnation flow I found this an interesting and original paper. Although I do not pretend to understand the details of the optimization procedure, I am interested in the predictions...
Journal Articles
Article Type: Article
J. Turbomach. January 2001, 123(1): 80.
Published Online: January 1, 2001
...Yu-Tai Lee,; Lin Luo, and; Thomas W. Bein compressors centrifuges fluid dynamics optimisation turbulence stagnation flow The point made by Professor Cumpsty concerning the results related to the variation of the weighting coefficients shown in Fig. 7 is well taken. We found...
Journal Articles
Article Type: Technical Papers
J. Turbomach. July 2000, 122(3): 536.
Published Online: July 1, 2000
...N. A. Cumpsty [S0889-504X(00)01303-9] gas turbines measurement systems compressors probes flow control pressure sensors fluctuations stagnation flow This paper and its two companions (Parts 1&2) describe careful and meticulous work and I therefore hesitate to offer any...
Journal Articles
Article Type: Technical Papers
J. Turbomach. January 2001, 123(1): 161–167.
Published Online: February 1, 2000
... 2000. Paper No. 2000-GT-221. Review Chair: D. Ballal. 08 May 2000 01 February 2000 gas turbines cooling heat transfer jets steam stagnation flow temperature control evaporation To improve the overall efficiency of gas turbine engines, the turbine inlet temperature...
Journal Articles
Article Type: Technical Papers
J. Turbomach. January 2001, 123(1): 140–146.
Published Online: February 1, 2000
.... Review Chair: D. Ballal. 08 May 2000 01 February 2000 gas turbines heat transfer stagnation flow combustion gas turbine power stations turbulence wind tunnels Firing temperatures of modern turbine engines often exceed the melting temperature of the downstream blade...
Journal Articles
Article Type: Technical Papers
J. Turbomach. January 2001, 123(1): 115–123.
Published Online: February 1, 2000
... stagnation flow temperature measurement flow visualisation infrared spectra channel flow cooling To reduce or eliminate the need to employ film cooling, new attention has been devoted to internal cooling schemes for turbine airfoils. Internal schemes are advantageous in several respects...