... aerodynamics cavitation channel flow finite volume methods heat transfer jets Navier-Stokes equations temperature distribution State-of-the-art gas turbine engines are designed to operate at turbine inlet temperatures over 1850 K. Since modern alloys can withstand temperatures up to about 1350 K...

... be captured by the present Fourier solution with even one harmonic. 14 07 2009 04 08 2009 25 10 2010 25 10 2010 cavitation discs (structures) flow instability Fourier analysis heat transfer rotors vortices The overall efficiency of gas turbines is strongly dependent...

... the sector model, where both the flowpath and the stator well are included. 20 07 2009 27 07 2009 21 10 2010 21 10 2010 aerodynamics aerospace engines cavitation computational fluid dynamics cooling jets stators swirling flow turbines The ingestion of hot gas...

... and generally more unsteady flow field at the rotor exit near the hub. The injection causes the turbine efficiency to deteriorate by about 0.6%. 20 08 2008 29 08 2008 21 01 2010 21 01 2010 cavitation cooling discs (structures) flow instability gas turbines rotors seals...

... Characteristics for Axial Gap Rim Seals in a Close-Spaced Turbine Stage From a Numerical Simulation ,” ASME Paper No. GT2006-90965. 30 03 2007 24 08 2007 22 01 2009 aerospace engines blades cadmium cavitation confined flow cooling discs (structures) flow simulation gas turbines...

... )). aerodynamics blades cavitation heat transfer turbines 27 08 2007 04 01 2008 03 10 2008 Effect of relative casing motion—squealer tips Parameter Cavity SSS With casing motion Stationary casing With casing motion Stationary casing Leakage mass flow (% inlet) 2.1...

... aerodynamics cavitation heat transfer turbines In unshrouded axial turbines, clearance gaps between the rotor blades and the stationary shroud are necessary to prevent the physical rubbing between them. The pressure difference between the pressure and the suction sides of the blade causes...

... 2007 03 12 2007 02 10 2008 blades boundary layers bubbles cavitation turbines Nowadays, the design of modern low-pressure turbines is a compromise between efficiency, cost, weight, and noise. A solid-thin profile gives rise to a reduction of cost when compared with a hollow...

... and how the two interact for different geometrical variations and leakage flow mass fractions. 18 06 2007 19 06 2007 17 06 2008 aerodynamics cavitation confined flow steam turbines In high pressure (HP) steam turbines, shrouded blades are commonly used in order...

... and resulting leakage fractions is given in Table 3 . Summary of radial deflector concept 18 06 2007 19 06 2007 17 06 2008 aerodynamics cavitation flow control geometry position control turbines The shroud leakage flow mainly affects the turbine...

...-53458. Manuscript received by IGTI, October 1, 2003; final revision, March 1, 2004. IGTI Review Chair: A. J. Strazisar. 13 June 2004 01 October 2003 01 March 2004 29 12 2004 rotors stators cavitation transonic flow Navier-Stokes equations flow simulation...