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Keywords: compressible flow
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Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2012, 134(2): 022002.
Published Online: December 20, 2011
... 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 into the compressor has shown to increase...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. October 2011, 133(10): 103001.
Published Online: May 3, 2011
... 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...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2011, 133(1): 012001.
Published Online: September 27, 2010
... , 122 , pp. 366 – 374 . Fluent, Inc. , 2008 , FLUENT Manual, Version 6.3, Ansys Inc., Canonsburg, PA. 09 04 2010 27 04 2010 27 09 2010 27 09 2010 acceleration compressible flow compressors computational fluid dynamics cooling drops gas turbines turbulence...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2010, 132(9): 091402.
Published Online: June 17, 2010
... 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...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2010, 132(1): 012501.
Published Online: September 29, 2009
... instability problems. Controlling rotordynamic instabilities and reducing large amplitude vibration in turbomachinery are key factors to gain reliability and safety ( 1 ). squeeze film dampers air entrapment feed-squeeze flow number dimensionless air entrainment map cavitation compressible...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2009, 131(2): 022503.
Published Online: December 22, 2008
..., “A Gas Film Lubrication Study Part II: Numerical Solution of the Reynolds Equation of Finite Slider Bearings,” IBM Syst. J., pp. 256–259. 30 03 2008 07 04 2008 22 12 2008 compressible flow gas turbines hydrodynamics hydrostatics machine bearings rotors vibration control...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2008, 130(4): 042806.
Published Online: April 29, 2008
...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...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2007, 129(4): 1028–1034.
Published Online: August 30, 2006
... 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...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2005, 127(3): 663–669.
Published Online: June 24, 2005
... compressors fuel systems diesel engines heat transfer compressible flow automobiles In recent years the turbo charging of Diesel engines gained an increased importance. Considering mainly performance perspectives the present research and development efforts also focus on economic...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2006, 128(2): 434–445.
Published Online: June 1, 2005
... time-dependent flow phenomena at the early development stage of such systems and to prevent erosion damages. two-phase flow cavitation flow simulation pipe flow compressible flow partial differential equations nozzles thermodynamics The vapor and gas densities ρ v and ρ...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2004, 126(3): 626–634.
Published Online: August 11, 2004
... dissipating chambers (Fig. 1 ). rotors seals (stoppers) pressure measurement flow measurement gas turbines conservation laws aerodynamics compressible flow force flow instability 03 June 2002 01 Dec 2001 01 Mar 2002 11 08 2004 Contributed by the International...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2004, 126(3): 656–664.
Published Online: August 11, 2004
... with a moving piston show that at top dead center, the flammable volume fraction and turbulence intensity with high pressure shrouded injection are larger than for low pressure injection. jet engines supersonic flow natural gas technology compressible flow valves computational fluid dynamics...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2004, 126(1): 192–197.
Published Online: March 2, 2004
...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...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2004, 126(1): 75–82.
Published Online: March 2, 2004
...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...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2003, 125(3): 720–733.
Published Online: August 15, 2003
... 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...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2003, 125(1): 201–215.
Published Online: December 27, 2002
... 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...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2003, 125(1): 216–227.
Published Online: December 27, 2002
... 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...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2003, 125(1): 385–390.
Published Online: December 27, 2002
... three-dimensional stacking lines of stator blades, and with significantly increased efficiencies, compared to the original design, at least for a larger part of the assumed range of load. computational fluid dynamics flow simulation compressible flow turbulence mass transfer optimisation steam...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2002, 124(4): 1003–1010.
Published Online: September 24, 2002
... 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 flutter are typically...