... to the equations were obtained by a second-order finite difference method and the singular value decomposition technique. The influences of the inlet Mach number of undisturbed flow, inlet spanwise distribution of undisturbed radial velocity, and diffuser radius ratio on the rotating waves were studied and results...

... 2010 blades convection couplings finite difference methods flow Fourier transforms turbines Gas turbine designers strive for ever higher turbine inlet temperatures for performance improvement. The current levels are already significantly higher than the turbine blade material...

... Clearance Effects Caused by Shaft Failure , Rolls-Royce plc, Technical Report No. ED-5/M0087/02-DW. 26 07 2009 13 08 2009 26 10 2010 26 10 2010 blades compressors failure (mechanical) finite difference methods friction shafts turbines velocity measurement...

... roughness peaks referred to in subsequent discussion. 30 11 2005 16 03 2006 25 03 2008 computational fluid dynamics friction boundary layer turbulence gas turbines blades drag aerodynamics finite difference methods finite volume methods Navier-Stokes equations...

... approach and are written by using the finite difference method. The model also takes rotating mass dynamics into account through a lumped parameter approach. Moreover, it reproduces the behavior of the system in the presence of the surge phenomenon through steady-state performance maps, which represent...

... 02 2005 flow simulation flow instability turbines blades wakes boundary layers turbulence Navier-Stokes equations finite difference methods bubbles flow separation vortices Efforts towards the decrease of weight and cost of modern LP turbines by reducing the number...

... layer turbulence finite difference methods In internal cooling of turbine blades, coolant air is circulated through serpentine ribbed passages and discharged through bleed holes along the trailing edge of the blade. With rotation, the flow is subjected...

... that a relatively large time-step can be used. Navier-Stokes equations flow simulation finite difference methods viscosity heat transfer computational fluid dynamics 07 June 1999 01 February 1999 Contributed by the International Gas Turbine Institute and presented at the 44th...