... 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...

... an aggressive 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 2012 American Society of Mechanical Engineers ...

... the moderate amount of three-dimensionality did not affect the camera focus. 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...

.... , and Feldhusen , J. , 2005 , Dubbel—Taschenbuch für den Maschinenbau , 21st ed. , Springer-Verlag , Berlin . 02 07 2009 27 07 2009 23 09 2010 23 09 2010 blades cooling flow visualisation gas turbines turbulence convection cooling geometry modification...

... and tip sections 25 02 2009 27 03 2009 21 09 2010 21 09 2010 blades flow visualisation nozzles sensitivity analysis steam turbines vortices Blade lean was investigated in several works ( 1 2 3 4 5 ) where the importance of pressure contour distribution inside...

... aerodynamics aerospace components blades flow visualisation pressure measurement turbines velocity measurement Implementation of high-lift airfoils in low-pressure turbine design is an attractive means to reduce engine weight and manufacturing costs. Several studies ( 1 2 3 ) have shown...

... 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...

... crystals, which are activated at different temperatures ( 18 ). Casing C p for first ( a ) and second ( b ) cooling configurations—colored version available in Ref. 24 14 06 2007 05 07 2007 03 10 2008 blades bubbles cooling flow separation flow...

... 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...

... of the cavity flow. 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 flow across the turbine blade tip. Nevertheless, there is still a gap between...

... 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...

... boundary layers flow visualisation flow control Boundary layer suction has long been used both in external and internal aerodynamics to control flow separations, particularly two-dimensional (2D) boundary layer separation. In turbomachinery, the use of suction or aspiration has been focused...

...: Velocity Field and Flow Physics ,” ASME Paper No. 2000-GT-0477. 30 03 2006 04 04 2006 14 12 2007 turbines blades rotors flow visualisation vortices belts In unshrouded axial flow turbines, there is necessarily a clearance between the rotating blade tips...

... elucidated. blades confined flow impellers compressors transonic flow flow visualisation subsonic flow flow instability computational fluid dynamics wakes 23 07 2006 11 08 2006 Figure 2 indicates the meridian configuration and the PIV measurement locations. Diffuser...

... compressors boundary layer turbulence laminar to turbulent transitions flow visualisation computational fluid dynamics wakes blades Figure 12 shows the PIV measurements of the ensemble-averaged flow-field at three rotor-phases close to the peak-suction position on the blade. The figure plots...

... of this flow region. shrouded turbine vane tip leakage gap leakage ejection secondary flow field endwall heat transfer heat transfer turbines wind tunnels blades boundary layer turbulence aerodynamics flow visualisation vortices 14 07 2006 20 07 2006 Langston...

... of the design of Pelton turbines. 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...

... instability nozzles stators flow visualisation computational fluid dynamics aerodynamics pipe flow aerospace engines 13 June 2004 01 October 2003 01 March 2004 05 05 2005 Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN SOCIETY OF MECHANICAL...

... separation flow visualisation computational fluid dynamics Three-dimensional non-axisymmetric end wall profiling has been shown to reduce secondary loss using a number of different geometries. Sieverding 1 and later Langston 2 have provided excellent reviews of secondary flows, the fundamentals...