...Song Huang; Ge Han; Chengwu Yang The performance and stable operating range of compressors are critical for the efficient operation of various turbomachinery systems. To reveal the flow instability mechanism of a high-speed and high-loaded compressor, a systematic experimental study on a 1.5-stage...

... presents the crucial knowledge that has been published on the flow instabilities occurring in centrifugal compressors operating at low flow rates. It also introduces the capabilities of the computational tools used for the simulation of these phenomena. The characteristic of the centrifugal compressor...

... for the circumferential averaging interface differ, contrary to the flow parameters, due to smoothing of local effects from the preswirl jets. 31 05 2011 28 06 2011 21 02 2012 21 02 2012 computational fluid dynamics Coriolis force flow instability flow simulation heat transfer jets...

... speed fans this is a promising tool. This paper focuses on the inception and the evolution of the flow instabilities in the tip region which drive the stall onset in low speed axial fans. The authors conducted an experimental study to investigate the inception patterns of rotating stall evolution...

... chemically reactive flow combustion combustion equipment flames flow instability flow simulation gas turbines swirling flow turbulence In Figs. 6a and 6b we show contours of the vorticity magnitude | ω ̃ | = 1 2 | ∇ × v ̃ | and the heat-release Q...

... direction. This is the reason why only 2% of the flow amounts would get 20% of the working range expansion. 12 05 2011 12 05 2011 25 01 2012 25 01 2012 compressors flow instability flow simulation impellers numerical analysis centrifugal compressor holed casing...

... equipment computational fluid dynamics eigenvalues and eigenfunctions flames flow instability flow simulation Navier-Stokes equations transfer functions turbulence 26 04 2011 27 04 2011 16 12 2011 16 12 2011 2012 American Society of Mechanical Engineers ...

... . Seal (synchronous) stiffness and damping coefficients versus inlet gas volume fraction (β S ). Mixture N 2 in ISO VG 2 oil (Δ P  = 71 bar, 10 krpm). 11 04 2011 13 04 2011 14 12 2011 14 12 2011 bubbles elasticity flow instability hydrocarbon reservoirs laminar...

... is presented to illustrate the associated dynamic phenomena and fluid-structure interaction within the internal assembly of the check valve. 08 04 2011 09 04 2011 31 08 2011 31 08 2011 compressors elasticity flow instability fluid oscillations hydrodynamics nozzles springs...

... conditions on the blades. The analysis is framed inviscidly. 04 08 2010 05 08 2010 03 05 2011 03 05 2011 compressible flow finite volume methods flow instability interpolation steam turbines two-phase flow Environmental issues, such as global warming due to carbon...

... combustion flames flow instability fluid oscillations functional analysis laminar flow pipe flow Reduction of pollutant emissions to meet environmental regulations has led to novel solutions in combustor design. Advanced systems use new premixed burners in which the flame is more compact...

... investigation. The flow solver also provided detailed physical insight into the cavity flow instability mechanism. 26 04 2010 29 04 2010 29 10 2010 29 10 2010 aeroacoustics channel flow external flows flow instability flow simulation Navier-Stokes equations seals (stoppers...

... analysis active instability control acoustic boundary condition acoustic analysis combustion flow instability stability swirling flow test equipment thermoacoustics 06 05 2009 22 07 2009 20 08 2010 20 08 2010 2010 American Society of Mechanical Engineers ...

... model was developed by Scharrer ( 5 ). aerodynamics damping elastic constants flow instability Mach number rotors sealing materials transfer functions 2010 American Society of Mechanical Engineers ...

... 06 2010 30 06 2010 finite volume methods fission reactor coolants flow instability heat transfer nuclear engineering computing thermal analysis supercritical linear nonlinear stability natural circulation Supercritical water (SCW) is being considered as a coolant...

... 1.3935 Impeller WFR f w 0.532 0.597 0.627 Seal WFR f w 0.551 0.645 0.678 12 06 2006 04 01 2007 17 06 2010 17 06 2010 rotors flow instability compressors impellers Mach number pistons compressible flow swirling flow flow simulation...

... , “ Integrated Simulation of the Atomization Process of a Liquid Hydrogen Jet Through a Cylindrical Nozzle ,” Cryogenics 0011-2275 , 48 ( 5–6 ), pp. 238 – 247 . 10.1016/j.cryogenics.2008.03.006 automobile industry automotive components cavitation computational fluid dynamics drops flow...

... flow instability surges transient analysis The possible operating points of a centrifugal gas compressor operated at variable speeds are shown in the head-flow characteristic in Fig. 1 . The operating range is limited by maximum and minimum operating speed, maximum available power, choke...

... 03 2010 combustion flames flow instability flow simulation flow visualisation turbulence velocity measurement large eddy simulation bluff-body nonpremixed combustion Flows over a bluff-body is a common scene in many engineering applications such as gas turbine combustion...

.... Sci. 0360-1285 10.1016/j.pecs.2005.10.002 , 32 ( 2 ), pp. 93 – 161 . 24 07 2008 06 09 2008 05 06 2009 combustion flow control flow instability swirling flow turbulence perforated plate impedance passive control flame-acoustic interaction combustion...