... models was achieved. 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...

... 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...

... 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...

... channel flow Coriolis force gas turbines rotational flow turbulence gas turbine blade trailing edge cooling inclined pin-fins rotating channel Thermal efficiency and power output increase with increasing turbine inlet temperature. Therefore, an effective cooling strategy is necessary...

... 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...

... 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 entropy production Figure 1 shows a simplified diagram...

... 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 rotor blade cooling pin-fin rotating channel high rotating number...

... another feature that the energy cascade proceeds at a higher rate and lasts longer in the wake region than in the tip jet region. 19 06 2007 06 02 2008 11 01 2010 11 01 2010 compressors impellers plastic flow probability rotational flow turbulence LES centrifugal...

... 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...

... competitive with the RSM, whereas its computational cost is significantly less than that of the RSM. 21 08 2008 07 10 2008 02 07 2009 aerospace components confined flow rotational flow turbomachinery turbulence Despite a fast growth of computing power and more and more...

... vicinity of the bend. The results showed that four-side-average Nu, similar to low Ro cases, increases linearly by increasing rotation number and, unlike low Ro cases, decreases slightly by increasing density ratio. 05 05 2004 24 05 2005 rotational flow pipe flow channel flow blades...

... viscosity rotational flow pressure nozzles Single-stage centrifugal turbo-machines are mostly designed with a spiral volute casing. The asymmetric shape of the spiral volute and tongue results in a circumferential distortion of the flow conditions at the outlet...

... 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 role in the development of high performance centrifugal...

... 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 flow computations during the past decade...

... flows bubbles rotational flow laminar to turbulent transitions flow instability wakes boundary layers flow separation wind tunnels The aerodynamic performance of turbomachinery blades operating at Reynolds numbers of less than one million is dependent on the transition modes occurring...

.... Therefore the centrifugal compressor’s evolution was always closely related to the development of turbomachinery in general. compressors rotational flow steam turbines machinery 16 June 2003 01 December 2002 01 March 2003 09 02 2005 Contributed by the International...

...-53261. 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 09 02 2005 heat transfer channel flow rotational flow gas turbines boundary layer turbulence...

... 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 09 02 2005 cooling jets rotational flow flow visualisation gas turbines temperature measurement The leading-edge...

... rotational flow computational fluid dynamics confined flow turbomachinery Computational fluid dynamics (CFD) is increasingly being used to support engineering design, and a number of special interest groups have embraced the need to establish common modeling approaches, e.g., ( 1 ). In the field...

... Review Chair: A. J. Strazisar. 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 output in advanced gas turbines...