... diffuser aerodynamics aerospace engines boundary layer turbulence compressors flow geometry impellers Navier-Stokes equations shear turbulence 25 09 2008 06 01 2010 27 09 2010 27 09 2010 The present study indicates that the best agreement of numerical...

... boundary layer turbulence confined flow shear turbulence wakes Aerofoils of a modern low-pressure turbine (LPT) are subjected to increasingly stronger pressure gradient as designers impose higher loading in an effort to improve efficiency and lower cost by reducing the number of blades...

... Ref. 8 ). 11 07 2007 02 07 2007 04 08 2008 blades boundary layers flow measurement gas turbines laminar flow laser Doppler anemometry shear turbulence wakes The relative motion of the adjacent blade rows in turbomachines gives rise to a variety of unsteady...

... for Re H = 220 , 940, and 9300 11 06 2007 23 06 2007 04 08 2008 channel flow flow separation flow simulation friction gas turbines heat transfer shear turbulence Increasing the inlet temperature of gas turbines increases the thermal efficiency. In modern...

... of isosurfaces of the spanwise vorticity. Label “I” identifies the roll of recirculating flow discussed previously. 02 02 2005 02 02 2006 blades turbomachinery turbines fluid oscillations boundary layer turbulence flow separation shear turbulence flow instability bubbles flow...

... Turbomachinery Conference, Prague. 16 June 2003 01 December 2002 01 March 2003 29 12 2004 turbines convection wakes bubbles boundary layers shear turbulence laminar flow flow instability Historically, turbomachinery blading has been designed using a combination...

..., 2003. Manuscript received by the IGTI December 2002; final revision March 2003. Paper No. 2003-GT-38266. Review Chair: H. R. Simmons. 16 June 2003 01 December 2002 01 March 2003 15 06 2004 transonic flow stators rotors gas turbines shear turbulence laser velocimetry...

... 2004 turbines blades boundary layers laminar to turbulent transitions wakes bubbles flow instability shear turbulence flow separation The recent studies of wake-separated boundary layer interaction have made the development of the high-lift low pressure (LP) turbine blades...

.... Paper No. 2002-GT-30201. Review Chair: E. Benvenuti. 03 June 2002 17 January 2002 27 08 2003 heat transfer pressure measurement pipe flow rotational flow velocity measurement flow measurement temperature measurement friction jets convection shear turbulence...

... and Exhibition, Amsterdam, The Netherlands, June 3–6, 2002. Manuscript received by the IGTI, January 22, 2002. Paper No. 2002-GT-30237. Review Chair: E. Benvenuti. 03 June 2002 22 January 2002 07 11 2002 gas turbines flow separation boundary layer turbulence shear turbulence...

... – 245 . Sridhar , G. , and Katz , J. , 1995 , “ Drag and Lift Forces on Microscopic Bubbles Entrained by a Vortex ,” Phys. Fluids , 7 , pp. 389 – 399 . gas turbines wakes rotational flow vortices velocity measurement shear turbulence flow instability The unsteady...

... turbulence shear turbulence flow separation Modern low-pressure (LP) turbine airfoils are subject to increasingly stronger pressure gradients as designers impose higher loading in an effort to improve efficiency and lower cost by reducing the number of airfoils in an engine. If the adverse pressure...

... turbines aircraft boundary layer turbulence shear turbulence pressure control wakes flow separation Figure 14 shows the values of C τ ¯ obtained from Eq. ( 6 ) against the aspect ratio of the pressure surface separation. The three clusters of points at low, medium...

... February 1999 flow simulation transonic flow compressors rotors laser Doppler anemometry Navier-Stokes equations shear turbulence Tip clearance flows are of great engineering importance when designing modern axial fans and compressors because of their large impact on pressure rise...

... August 1997. Associate Technical Editor: T. H. Okiishi. 01 August 1997 boundary layer turbulence spectra fluid dynamics transfer functions flow instability shear turbulence fluctuations Free-stream turbulence has a strong effect on the behavior of boundary layers. Elevated...