... of specific heats. 25 04 2011 26 04 2011 20 12 2011 20 12 2011 compressible flow drops transonic flow two-phase flow transonic compressor stage inlet fogging numerical simulation stall boundary choking boundary The use of water injection technique...

... have two main problems. One is the long computation time and the other is how to include the thermodynamic properties of steam. Ideal gas is assumed in most computational techniques for compressible flows. To shorten the computational time, a quasi-three-dimensional flow calculation technique...

... output and efficiency of gas turbines are reduced significantly during the summer because the air becomes lighter (which results in less mass flow rate), and the compressor’s power consumption increases with increased ambient temperature. acceleration compressible flow compressors...

... Symposium on Transport Phenomena and Dynamics of Rotating Machinery, 2, pp. 151–160 ) and model predictions show reasonable agreements for the clearance flow and reaction moments. For the conditions considered, low Mach number flow existed in the shroud clearance areas and compressible-flow...

... compressible flow density finite volume methods fracture machine bearings machine control rotors stratified flow turbomachinery vibration control viscosity 28 03 2008 06 05 2008 29 09 2009 β local air volume fraction β 0 reference air volume...

... 2008 22 12 2008 compressible flow gas turbines hydrodynamics hydrostatics machine bearings rotors vibration control Gas lubricated bearing systems offer several advantages over oil lubricated bearings such as lower power loss, less sealing requirements, extreme temperature...

...Diana K. Grauer; Kirby S. Chapman; Ali Keshavarz This paper reports on an investigation into the transient, compressible flow physics that impact the trapped equivalence ratio. A comprehensive, variable geometry, multicylinder turbocharger-reciprocating engine computer simulation (T-RECS) has been...

... displacement. The annular seal becomes then statically unstable. From the physical standpoint, this behavior is explained by the modification of the Lomakin effect, which changes sign. The pressure and Mach number variations along the seal depict the influence of high compressible flow regimes on the Lomakin...

... and the exhaust emissions need to be reduced and the dynamic behavior of the engine needs to be improved. compressors fuel systems diesel engines heat transfer compressible flow automobiles 01 Oct 2002 01 Mar 2003 24 06 2005 Contributed by the International Gas Turbine...

... 01 06 2005 two-phase flow cavitation flow simulation pipe flow compressible flow partial differential equations nozzles thermodynamics The numerical simulation of cavitating flows in engine fuel injection systems is useful for better understanding the complex time-dependent...

... rotors seals (stoppers) pressure measurement flow measurement gas turbines conservation laws aerodynamics compressible flow force flow instability Turbines can be broadly classified into shrouded and unshrouded turbines. Shrouded turbines have seals at rotor tips and/or stator hubs...

... 2003. Associate Editor: D. Assanis. 01 October 2002 01 December 2003 11 08 2004 jet engines supersonic flow natural gas technology compressible flow valves computational fluid dynamics In this paper we examine the injection of natural gas from two types of poppet...

...Y. Li; A. Kirkpatrick; C. Mitchell; B. Willson The topic of this paper is the computational modeling of the gas injection process in a large-bore natural gas fueled engine. At high injection pressures, the overall gas injection and mixing process includes compressible flow features...

...C. Guardino; J. W. Chew; N. J. Hills The effects of surface roughness on air-riding seals are investigated here using the Rayleigh pad as an example. Both incompressible and compressible flows are considered using both CFD analysis and analytical/numerical solutions of the Reynolds equation...

... constant volume combustion of propane and resulting transient compressible flow. Thermal NO production histories are predicted by simulations of the STAR-CD code. Passage inlet/outlet/wall boundary conditions are time-dependent, enabling the representation of a typical deflagrative internal combustor wave...

... industrial gas turbines. gas turbine power stations simulation performance evaluation evaporation boilers humidity control compressible flow air cooling 04 June 2001 01 Dec 2000 01 Mar 2001 27 12 2002 Contributed by the International Gas Turbine Institute (IGTI...

... compressible flow turbulence mass transfer optimisation steam turbines stators rotors Harrison , S. , 1992 , The Influence of Blade Lean on Turbine Losses , ASME J. Turbomach. , 114 , pp. 184 – 190 . Singh, G., Walker, P. J., and Haller, B. R, 1995, “Development of Three...

... and distributed power production (campuses, hospitals). The high efficiency and projected high-power density also qualifies it for offshore use, especially in, e.g., Norway that has high CO 2 taxes. boilers humidity control compressible flow air gas turbine power stations evaporation...

... engines aerospace testing parameter space methods aerodynamics compressible flow stability elasticity damping To assure reliability and safety of jet propulsion, the potential for blade flutter must be eliminated from the turbomachinery stages. The current predictive models for aeroengine...