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Keywords: infrared imaging
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Journal Articles
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041015.
Published Online: July 21, 2011
... of the effectiveness. 09 11 2010 03 12 2010 21 07 2011 21 07 2011 boundary layers coolants cooling engines flow infrared imaging Film cooling is state-of-the-art technology in cooling hot gas components of modern gas turbines, e.g., vanes and blades of the first turbine stages...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041016.
Published Online: July 21, 2011
... wall does not allow acquiring a single thermogram of the whole investigated surface. Three separate infrared images are grabbed, and the object signal distribution over a single periodical domain is reconstructed via a MATLAB ® routine, which performs projective transformation, cropping...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2012, 134(1): 011003.
Published Online: May 24, 2011
... 24 05 2011 24 05 2011 blades flow simulation gas turbines infrared imaging multiphase flow syngas Utilizing available coal resources to efficiently generate power while minimizing the production of greenhouse gases has become a major challenge for the current generation...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041026.
Published Online: April 26, 2011
... 04 2011 26 04 2011 computational fluid dynamics engines heat transfer infrared imaging Mach number For the past several decades, the thermal-mechanical constraints on increasing the rotational speed of shrouded blades have driven the desire of many engine manufacturers...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041006.
Published Online: April 20, 2011
.... Except for the elliptic pin fins, the geometric variations have only a minor influence on heat transfer. 29 06 2010 01 07 2010 20 04 2011 20 04 2011 blades cooling engines gas turbines heat transfer infrared imaging The development of gas turbine engines...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041001.
Published Online: April 19, 2011
... and efficient blade tip configurations and tip cooling designs. blades computational fluid dynamics heat transfer infrared imaging Mach number shock waves supersonic flow transonic flow turbines 22 07 2009 21 05 2010 19 04 2011 19 04 2011 The Rolls-Royce HYDRA...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031029.
Published Online: February 28, 2011
... 2011 28 02 2011 blades design engineering film flow flow measurement heat transfer infrared imaging turbines velocimeters Film cooling of gas turbine stator and rotor airfoil surfaces has played a major role in preserving the structural integrity of these hot-section...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021028.
Published Online: October 27, 2010
... 2009 30 09 2009 27 10 2010 27 10 2010 aerospace engines blades gas turbines heat transfer infrared imaging regression analysis It is widely accepted that the future of aircraft gas turbine engines lies in an increase in turbine entry temperatures (TET) for an increase...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021009.
Published Online: October 21, 2010
... 2009 20 07 2009 21 10 2010 21 10 2010 coal cooling gas turbines infrared imaging liquid phase deposition wind tunnels The increasing demand for clean energy in a world with decreasing natural gas resources has focused recent attention on developing power generation...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2010, 132(3): 031019.
Published Online: April 7, 2010
...) are associated with these test pieces. The cooling performance tests were conducted by using these test pieces for several Reynolds numbers of the mainstream hot gas [ 2.2 × 10 5 – 3.4 × 10 5 ] and cooling airflow [ 3 × 10 3 – 1 × 10 4 ] . Infrared images of the heated surfaces of the test pieces were captured...
Topics: Cooling
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2008, 130(4): 041007.
Published Online: July 31, 2008
... effects but is actually imposed primarily for the control of turning pressure losses within the cooling circuits. blades channel flow convection cooling gas turbines infrared imaging The cooling of high temperature turbine blades must include all regions exposed to the hot gas...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2007, 129(2): 294–302.
Published Online: July 14, 2006
.... The cooling levels exhibited by these particular geometries are comparable to shaped holes, but much easier and cheaper to manufacture. coolants cooling turbines blades infrared imaging heat conduction turbulence jets internal combustion engines transverse trench film cooling adiabatic...
Journal Articles
Article Type: Technical Papers
J. Turbomach. October 2005, 127(4): 718–725.
Published Online: April 28, 2005
... cooling performance, e.g., manufacturing facilitations. 27 10 2004 28 04 2005 gas turbines orifices (mechanical) cooling temperature measurement thermocouples infrared imaging In state-of-the-art gas turbine cooling schemes film cooling is a well-accepted and widely used...
Journal Articles
Article Type: Technical Papers
J. Turbomach. October 2004, 126(4): 597–603.
Published Online: December 29, 2004
... received by IGTI, October 1, 2003; final revision, March 1, 2004. IGTI Review Chair: A. J. Strazisar. 13 June 2004 01 October 2003 01 March 2004 29 12 2004 heat transfer infrared imaging temperature distribution jets turbines “Film cooling is the introduction...
Journal Articles
Article Type: Technical Papers
J. Turbomach. July 2005, 127(3): 532–544.
Published Online: August 31, 2004
... roughness on heat transfer and pressure loss is determined along with the various interactions among these parameters. 12 12 2003 31 08 2004 heat transfer jets rough surfaces boundary layers infrared imaging temperature measurement First presented at the 2001 International...
Journal Articles
Article Type: Technical Papers
J. Turbomach. January 2003, 125(1): 83–89.
Published Online: January 23, 2003
... measurement infrared imaging transients convection rotational flow The increasing efficiency and performance of gas turbine engines relies on the combination of many disciplines, including aerodynamics, combustion, cooling technology, rotor dynamics, aeromechanics, manufacturing, and materials...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2001, 123(2): 231–237.
Published Online: February 1, 2000
... higher Reynolds number flow. gas turbines cooling film flow turbulence scaling phenomena density infrared imaging 08 May 2000 01 February 2000 Contributed by the International Gas Turbine Institute and presented at the 45th International Gas Turbine and Aeroengine...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2000, 122(2): 375–385.
Published Online: February 1, 1999
... received by the International Gas Turbine Institute February 1999. Paper No. 99-GT-164. Review Chair: D. C. Wisler. 07 June 1999 01 February 1999 gas turbines heat transfer cooling swirling flow infrared imaging flow visualisation Improving the efficiencies of gas turbine...
Journal Articles
Article Type: Technical Papers
J. Turbomach. January 2000, 122(1): 170–177.
Published Online: February 1, 1999
... February 1999 gas turbines cooling aerodynamics infrared imaging heat transfer design engineering The demands of tomorrow’s increasingly aggressive gas turbine engine cycles continue to drive the evolution of advanced hot section cooling designs. The objectives of increased cycle...