... 2010 31 12 2010 21 07 2011 21 07 2011 compressible flow compressors finite difference methods flow instability Mach number rotational flow singular value decomposition vaneless diffuser rotating stall 3D compressible flow linear inviscid model The radial...

... is also increased. 04 09 2010 29 12 2010 21 07 2011 21 07 2011 compressible flow flow simulation impellers Mach number rotational flow In Part I of this paper ( 1 ), a 3D compressible flow model was described for studying rotating stall of vaneless diffuser...

... tools may supply a preliminary quantitative description of all relevant physical phenomena, those set in a wheel space region. computational fluid dynamics confined flow design engineering discs (structures) drag engines flow simulation friction gas turbines heat transfer rotational...

... transfer induced by the Coriolis force generally perceived in a ribbed or smooth channel is less evident in a pin-fin channel. 16 07 2009 05 09 2009 19 10 2010 19 10 2010 blades channel flow Coriolis force gas turbines rotational flow turbulence gas turbine blade...

... Technology , Taylor & Francis , London . 01 04 2009 21 04 2009 04 05 2010 04 05 2010 blades extrapolation heat transfer rotational flow turbines turbulence In order to increase the efficiency and power output, modern gas turbines inlet temperature...

... 24 03 2010 24 03 2010 compressors computational fluid dynamics cooling discs (structures) gas turbines maximum entropy methods rotational flow rotors thermodynamics vortices rotating cavity buoyancy far-from-equilibrium thermodynamics self-organizing systems maximum...

... of the ϕ 1 value, which represents the Nu ¯ / Nu ¯ 0 at zero-buoyancy condition, against R o at BP and FP locations. 20 08 2008 31 08 2008 21 01 2010 21 01 2010 boundary layer turbulence channel flow heat transfer rotational flow...

... LES. 19 06 2007 06 02 2008 11 01 2010 11 01 2010 compressors impellers plastic flow probability rotational flow turbulence LES centrifugal compressor tip leakage turbulence The centrifugal compressor is a pressure raising turbomachinery component...

... pulsatile flow rotational flow turbines Film cooling of gas turbine stator and rotor airfoil surfaces has played a major role in preserving the structural integrity of these hot-section components at operating temperatures in excess of the melting temperatures of the constituent alloys...

... of RSM, enhancement of existing EVM presents an important practical alternative. aerospace components confined flow rotational flow turbomachinery turbulence 2009 American Society of Mechanical Engineers ...

..., Z ∕ Dh = 0 corresponds to inner surface at location P5, and Z ∕ Dh = 1 corresponds to outer surface at location P5. 05 05 2004 24 05 2005 rotational flow pipe flow channel flow blades turbines turbulence Coriolis force ducts cooling...

... are spread to the discharge nozzle; the pressure fluctuations are also reflected to the impeller inlet and they affect the mass flow rate through the blade passages. computational fluid dynamics flow simulation viscosity rotational flow pressure nozzles Contributed by the International Gas...

... been undertaken in the rotating flow test rig described in Iacovides et al. 5 . The particular test section to be examined is mounted on a horizontal circular table that may be driven over a range of rotational speeds up to 250 rpm by an electric motor. The table is housed within a stationary...

... June 2003 01 December 2002 01 March 2003 09 02 2005 compressors rotational flow steam turbines machinery The centrifugal compressor belongs to a class of pressure producing machines known as turbo compressors. Like in other turbomachines energy is transferred...

.... 13 June 2004 01 October 2003 01 March 2004 09 02 2005 heat transfer channel flow rotational flow gas turbines boundary layer turbulence Advanced gas turbines operate at high temperatures to improve thermal efficiency. The high inlet temperature creates thermal...

... numbers, characteristic of aircraft cruise conditions, laminar flow is present over a significant portion of the blade surface and the general nature of the flow is both unsteady and transitional. laminar flow external flows bubbles rotational flow laminar to turbulent transitions flow...

... October 2003 01 March 2004 09 02 2005 compressors machine testing rotational flow flow measurement calibration probes confined flow Despite recent advances in computational fluid dynamics (CFD) and other sophisticated analytical methods, testing continues to play a vital...

.... Strazisar. 13 June 2004 01 October 2003 01 March 2004 09 02 2005 rotational flow confined flow laser velocimetry flow separation flow simulation flow measurement velocity measurement rotors stators There has been steady progress in the field of turbomachinery...

... subdomains during each interval of the transient solution. This more sophisticated—and computationally expensive—approach is typically employed in the modeling of preswirl systems, where differentially rotating components with nonaxisymmetric features are in close proximity to one another. rotational...

... by a Reynolds Stress Turbulence Model,” ASME Paper no. GT2003-38348. 13 June 2004 01 October 2003 01 March 2004 29 12 2004 heat transfer flow measurement rotational flow channel flow pressure measurement gas turbines To achieve higher thermal efficiency and power...