... predictions differ from the experimental levels by 3% on the bottom wall and by 10% on the upper wall. 05 03 2010 10 03 2010 07 12 2010 07 12 2010 aerodynamics cavitation channel flow finite volume methods heat transfer jets Navier-Stokes equations temperature...

... 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...

... 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 in the stator-rotor gas turbine cavities has to be avoided in order to prevent or limit the overheating...

... 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...

... for axial gap seals and the experiments showed a reasonable agreement for both close- and wide-spaced stages. 30 03 2007 24 08 2007 22 01 2009 aerospace engines blades cadmium cavitation confined flow cooling discs (structures) flow simulation gas turbines numerical analysis...

.... This affects the stage performance. Typically, a clearance of 1% of blade span causes 1–2% of primary flow to leak and hence a loss of 1–3% on stage efficiency (Booth et al. ( 1 )). aerodynamics blades cavitation heat transfer turbines 27 08 2007 04 01 2008 03 10 2008...

... transfer to the tip. 30 06 2007 04 01 2008 03 10 2008 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...

... 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-thick...

... 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...

... 2007 19 06 2007 17 06 2008 aerodynamics cavitation flow control geometry position control turbines The shroud leakage flow mainly affects the turbine performance by reducing extracted work in the rotor blades. This work reduction is an inviscid process and does...

... 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 computational fluid dynamics...