...Haiteng Ma; Yisu Liu; Youkui Lai; Hua Ouyang; Jia Ning; Xianwang Jiang; Qin Xu As a key technology to ensure turbine survival, blade cooling encompasses a whole range of strategies with ever-increasing geometric complexities. Flow measurement for turbine blades with such intricate internal...

.... Son , S. Y. , Kihm , K. D. , and Han , J. C. , 2002 , “ PIV Flow Measurements for Heat Transfer Characterization in Two-Pass Square Channels With Smooth and 90-degree Ribbed Walls ,” Int. J. Heat Mass Transfer 0017-9310 , 45 ( 24 ), pp. 4809 – 4822 . 10.1016/S0017-9310(02)00192-8...

.... 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...

... to a lack of detailed experimental data near the rotor casing, it is not clear how accurately the flow phenomena induced by the casing treatment, interacting with the rotor tip, and responsible for the gain in stall margin can be simulated. blades compressors flow measurement rotors transonic...

... flow measurements within the diffuser are available for comparison purposes. In the past decades interest has been increasingly devoted to the development of turbochargers. Because of their compact size, large capacity, high performance, and ability to improve specific fuel consumption...

... compared with experimental measurements. 09 03 2009 06 05 2009 29 04 2010 29 04 2010 cooling effusion engines finite element analysis flow measurement liquid crystals Mach number Navier-Stokes equations plates (structures) polymers stainless steel turbines turbulence...

... flow to the forefront and made it a priority for aeroengine research. blades design engineering engines flow measurement flow simulation gas turbines heat transfer turbulence 02 03 2009 16 03 2009 07 04 2010 07 04 2010 All meshes used were generated in ICEM...

... solver, CEDRE . 06 08 2008 09 02 2009 16 09 2009 aerodynamics finite volume methods flow measurement flow visualisation jets Navier-Stokes equations velocity measurement State-of-the-art gas turbine engines are designed to operate at turbine inlet temperatures over...

.... A. , and Praisner , T. J. , 2007 , “ Aerodynamics of a Low-Pressure Turbine Airfoil at Low-Reynolds Numbers—Part 1: Steady Flow Measurements ,” ASME Paper GT2007-27347. Mahallati , A. , and Sjolander , S. A. , 2007 , “ Aerodynamics of a Low-Pressure Turbine Airfoil at Low Reynolds Numbers—Part 2...

... 2008 06 07 2009 aerodynamics aerospace components blades boundary layer turbulence bubbles compressors computational fluid dynamics flow measurement flow separation laminar flow pressure measurement stators wakes 2007 IGTI Best Technical Paper The leading-edge...

... of the horseshoe vortex is one in which the less dense, higher temperature fluid convects toward the endwall causing an increase in the local fluid temperature and convective heat transfer coefficient. blades boundary layer turbulence combustion equipment cooling flow measurement gas turbines jets...

... Measurements ,” presented at the AIAA Aerospace Sciences Meeting, Reno, NV, Jan. 5–8. Hansen , L. C. , and Bons , J. P. , 2006 , “ Phase-Locked Flow Measurements of Pulsed Vortex-Generator Jets in a Separating Boundary Layer ,” J. Propul. Power 0748-4658 , 22 ( 3 ), pp. 558 – 566...

...). However, it must be noted that very few data points exist with such high relative uncertainty magnitudes. Uncertainties for the blowing ratios are estimated to be 4%. Aerodynamic flow measurements were performed along the exit of the first stage stator to quantify the nature of the mainstream flow...

... of ϕ - ϕ 0 = 0.0 deg , as shown in Fig. 2 . The black-thin line shows the superposed effects of the wake and the potential field perturbation on the time mean flow measured during a combined interaction. The upper set of labels (A–G) is used to describe the wake effects as in Refs. 15 16...

... patterns move downstream along the tip clearance vortex path in time. As a result of the wake influence, the orientation and extension of the tip clearance vortices as well as the flow blockage periodically vary in time. 05 06 2007 10 09 2007 31 07 2008 blades compressors flow...

...Matthias Schleer; Reza S. Abhari This work reports on flow measurements taken within the vaneless diffuser of a scaled-up model of a small-scale, highly loaded unshrouded compressor with large relative tip clearance. The aims are to describe and to analyze the influence of the clearance flow...

... and the thermal performance factor results are presented. gas turbines heat transfer turbulence flow measurement One approach for increasing the efficiency of gas turbines is to raise the turbine inlet temperature, which typically exceeds the allowable material limits for the blade. A common...

... 90% cooled and uncooled heat flux Blade 50% net heat flux reduction 50% net heat flux reduction with heat flux turbines blades computational fluid dynamics heat transfer rotors flow measurement pressure measurement temperature measurement aerodynamics Part I...

...Jeffrey P. Bons; Daniel Reimann; Matthew Bloxham Flow measurements were made on a highly loaded low pressure turbine blade in a low-speed linear cascade facility. The blade has a design Zweifel coefficient of 1.34 with a peak pressure coefficient near 47% axial chord (midloaded). Flow and surface...

... blades. Detailed laser Doppler velocimetry flow measurements are available at various cross sections inside the impeller blades highlighting the presence of low-velocity flow regions near the shroud. Particular attention is focused on understanding the physical mechanisms which govern the flow phenomena...