... for Nimonic-air coupling (values of k for Nimonic from Ref. 38 ) 01 12 2010 11 02 2011 21 07 2011 21 07 2011 blades cooling finite element analysis infrared imaging jets turbines Modern gas turbine engines use strong cooling in key components of the turbine...

... ′ 35 deg, 45 deg Lateral angle F 45 deg, 60 deg, 90 deg Area ratio A R 1.8, 3.71, 5.0 Pitch to diameter ratio P / D 5.0, 8.0 boundary layers coolants cooling engines flow infrared imaging Film cooling is state-of-the-art technology...

... 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 ...

... 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 to move to using unshrouded blades. However, unshrouded blades require a tip...

... 2010 20 04 2011 20 04 2011 blades cooling engines gas turbines heat transfer infrared imaging The development of gas turbine engines is determined by growing economical and ecological requirements. Recent developments of gas turbines for aeropropulsion show overall...

... needed by the gas turbine industry to develop durable 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...

.... 225 – 232 . 10.1115/1.2841305 07 12 2009 31 05 2010 28 02 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...

... . aerospace engines blades gas turbines heat transfer infrared imaging regression analysis Heat transfer measurement techniques used to qualify HSLC heat transfer experiments. Method A-3 is the primary measurement and analysis technique. Method Measurement technique Analysis type...

... 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...

...) 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...

... flow convection cooling gas turbines infrared imaging The cooling of high temperature turbine blades must include all regions exposed to the hot gas flows. Blade tip turn regions are conventionally cooled using a combination of internal convection regions...

... , 1.0, and 1.5. Depending on blowing ratio, they found some configurations resulted in a 50% increase in film effectiveness and some caused a 40% decrease. coolants cooling turbines blades infrared imaging heat conduction turbulence jets internal combustion engines 2007 American...

... orifices (mechanical) cooling temperature measurement thermocouples infrared imaging 27 10 2004 28 04 2005 Goldstein , R. J. , Eckert , E. R. G. , and Burggraf , F. , 1974 , “ Effects of Hole Geometry and Density on Three-Dimensional Film Cooling ,” Int. J. Heat...

... 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 of secondary fluid (coolant) at one or more discrete locations along...

... 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...

... jacket is shown in-place, completely covering the part during the pre-heat portion of the test. At time t = 0 , a solenoid valve causes the pre-heater to be quickly lifted away (∼0.1 s), while at the same time initiating data acquisition. An AGEMA Thermovision ® 900 Infrared imaging camera...

.... This is contrasted with a vane in which the strongest curvature exists on the suction side of the stagnation line at a much higher Reynolds number flow. gas turbines cooling film flow turbulence scaling phenomena density infrared imaging 08 May 2000 01 February 2000 Contributed...

..., Indiana, June 7–10, 1999. Manuscript 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...

... February 1999 gas turbines cooling aerodynamics infrared imaging heat transfer design engineering 7 Infrared surface temperatures and rig flow conditions are recorded simultaneously Before starting the test matrix for a particular specimen, the size and position of the IR...