... 2011 21 07 2011 blades cooling flow visualisation mass transfer rotors stators turbulence vortices The efficiency of a gas turbine increases with the temperature of the hot combustion gases at the stage inlet. Modern gas turbines are designed to operate at turbine inlet...

... stator cascade, which is characterized by significant suction side boundary layer separation and secondary flow at baseline conditions without blowing. compressors flow control flow visualisation stators 03 10 2010 02 11 2010 23 06 2011 23 06 2011 2012 American...

... nonseparated and a superaggressive fully separated annular duct. ducts flow separation flow visualisation jet engines vortices wakes 27 10 2010 22 01 2011 01 06 2011 01 06 2011 It can be concluded that the low-profile VGs investigated here at the defined axial...

... parameter 06 07 2009 25 07 2009 23 09 2010 23 09 2010 blades engines flow visualisation gas turbines heat transfer vortices A fundamental issue in the design of gas turbine engines is the detrimental effects of vortical flows that are present near the junction...

... with the base. Flow structures and heat transfer conditions are evaluated and are linked to specific geometric features. Among several investigated configurations one could be identified that leads to a cooling effectiveness 15% larger compared with the base. blades cooling flow visualisation gas turbines...

... and sketch of plane location 25 02 2009 27 03 2009 21 09 2010 21 09 2010 blades flow visualisation nozzles sensitivity analysis steam turbines vortices Lean of blade axis is a currently applied technique adopted to control the flow throughout compressor...

... and potentially open the design envelope. aerodynamics aerospace components blades flow visualisation pressure measurement turbines velocity measurement 2010 American Society of Mechanical Engineers ...

... 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...

... coefficients were located in this region of reattachment. 14 06 2007 05 07 2007 03 10 2008 blades bubbles cooling flow separation flow visualisation gas turbines turbulence turbine tip heat transfer novel cooling strategy In a gas turbine, a gap between...

... into the low pressure compression domain but also the expected hysteresis pattern of the surge loop in terms of its mass flow versus pressure characteristic. 20 02 2007 22 02 2007 06 05 2008 compressible flow compressors elasticity flow instability flow visualisation machine testing...

... also like to thank Dr. T. Kim at Xian Jiaotong University, China, for his helpful comments. 03 06 2006 09 10 2006 28 01 2008 turbines vortices confined flow blades flow visualisation aerodynamics flow separation Shrouds are used to prevent pressure-driven leakage...

... pressure side film cooling. The general flow field, the jet trajectory, and the streamwise circulation are utilized in the validation of the quasisteady assumption. 11 09 2006 30 10 2006 28 01 2008 turbines wind tunnels cooling blades flow visualisation jets film cooling...

... , Annual Review of Fluid Mechanics , Vol. 14 , pp. 61 – 85 . 18 11 2005 25 01 2007 19 12 2007 flow separation compressors turbomachinery blades computational fluid dynamics boundary layers flow visualisation flow control Boundary layer suction has long been used...

.... turbines blades rotors flow visualisation vortices belts 30 03 2006 04 04 2006 14 12 2007 Smoke visualization of tip leakage vortex and passage vortex interaction for t ∕ h = 0.58 % , no moving belt When compared to the images obtained with no tip gap...

.... 0889-504X , 121 ( 3 ), pp. 469 – 480 . blades confined flow impellers compressors transonic flow flow visualisation subsonic flow flow instability computational fluid dynamics wakes The authors have previously measured the internal impeller flow of a turbocharger transonic...

... ) 31 07 2006 31 07 2006 compressors boundary layer turbulence laminar to turbulent transitions flow visualisation computational fluid dynamics wakes blades Current compressor design-tools are commonly based on studies of the flow within cascades, where the incoming flow...

... turbines wind tunnels blades boundary layer turbulence aerodynamics flow visualisation vortices 14 07 2006 20 07 2006 2007 American Society of Mechanical Engineers ...

... 16 11 2004 09 01 2006 turbines jets flow visualisation two-phase flow flow instability numerical analysis confined flow The bucket geometry is partially provided due to confidentiality. Up to now, Pelton turbines have been designed using experimental techniques...

... instability nozzles stators flow visualisation computational fluid dynamics aerodynamics pipe flow aerospace engines High cycle fatigue (HCF) of turbomachinery components is an important area of concern in the design and development of aircraft engines. The fundamental...

... . 12 Axial velocity profiles along spanwise traverse lines at 1.3 diameters above Jet 3, for rotating conditions. Re = 15,000 and Ro = − 0.18 . cooling jets rotational flow flow visualisation gas turbines temperature measurement Until now the design...