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Keywords: Navier-Stokes equations
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2012, 134(5): 052504.
Published Online: February 29, 2012
... cooling gas turbines jets Navier-Stokes equations numerical analysis turbulence The reduction of the discharge coefficient at low MVR region could be directly related to the increase of the flow angle (measured from the hole’s axis) at the hole inlet section with the decrease of the MVR...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2012, 134(2): 021502.
Published Online: December 16, 2011
... and eigenfunctions flames flow instability flow simulation Navier-Stokes equations transfer functions turbulence Stringent emission regulations (for NO x , CO, etc.) have been established for gas turbines. In order to comply with these regulations, lean premixed combustion technology has been...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2011, 133(12): 121504.
Published Online: September 12, 2011
... 27 04 2011 12 09 2011 12 09 2011 combustion equipment computational fluid dynamics gas turbines Navier-Stokes equations power grids In the early days of gas turbine combustor design, the design methodology typically involved using a number of empirical relations...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. November 2011, 133(11): 114503.
Published Online: May 18, 2011
... and fixed rotational speed. The three-dimensional Reynolds-averaged NavierStokes equations and standard k - ε turbulent model were also applied to study the leakage flow characteristics of the staggered labyrinth seal at the experimental conditions. The validation of the numerical approach was verified...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. October 2011, 133(10): 101503.
Published Online: April 28, 2011
... conversion chemically reactive flow computational fluid dynamics Navier-Stokes equations turbulence Turbulent mixing of fuel and air plays a significant role in gas turbine combustion with respect to pollutant formation and emissions and chemical reactions ( 1 ). For modern low-emission gas...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2011, 133(8): 082401.
Published Online: April 7, 2011
... the experimental test data and CFD results. The 1D model that was used is described in detail by Brun et al. ( 1 ), including the TAPS time domain solver with all the NavierStokes equation terms. This type of solver provides an accurate model of pulsation systems. However, since the model is one-dimensional...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2011, 133(6): 061504.
Published Online: February 16, 2011
... Syndicate-University of Cambridge , Cambridge, UK . 10 06 2010 02 07 2010 16 02 2011 16 02 2011 combustion computational fluid dynamics flow measurement flow simulation gas turbines jets Navier-Stokes equations turbulence A simple turbulent flow and mixing...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2011, 133(5): 052913.
Published Online: December 21, 2010
... pebbles. 16 07 2010 16 07 2010 21 12 2010 21 12 2010 computational fluid dynamics gas turbine power stations heat transfer Navier-Stokes equations computational fluid dynamics (CFD) pebble bed reactor (PBR) geometry modeling turbulence model large eddy simulation...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2011, 133(2): 022504.
Published Online: October 29, 2010
... 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2011, 133(2): 021901.
Published Online: October 29, 2010
... aerodynamics aerospace engines computational fluid dynamics coolants cooling jets Navier-Stokes equations The objective of meeting stricter and stricter legislative requirements regarding NO x emissions has been leading the development of innovative aero-engine combustors during...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2011, 133(2): 021505.
Published Online: October 28, 2010
.... 14 04 2010 02 06 2010 28 10 2010 28 10 2010 jets Navier-Stokes equations numerical analysis turbulence The transverse jet or jet in crossflow is widely used for enhanced mixing in industrial applications. An important example is the flow in the premixing zones...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2011, 133(1): 012301.
Published Online: September 27, 2010
... are based on the numerical solution of the NavierStokes equations for incompressible isothermal flow. To optimize the bearing performance, an optimization problem is formulated and solved by coupling the CFD code with an optimization tool based on genetic algorithms and local search methods. Here...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2010, 132(12): 122506.
Published Online: August 30, 2010
... in the stepped labyrinth seals with smooth and honeycomb lands is investigated and discussed in detail. 08 10 2009 11 01 2010 30 08 2010 30 08 2010 flow honeycomb structures Mach number Navier-Stokes equations seals (stoppers) surface discharges honeycomb seal leakage...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2010, 132(6): 062501.
Published Online: March 16, 2010
... ( L / b = 1 ) in seven point calculations. The reason for this is interpreted using the flow pattern in each cell diameter of the labyrinth honeycomb seal. 03 03 2009 17 06 2009 16 03 2010 16 03 2010 flow simulation honeycomb structures Navier-Stokes...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2009, 131(6): 062502.
Published Online: July 17, 2009
... ball bearings damping elastic constants Navier-Stokes equations rotors Lund ( 1 ) noted that tilting-pad journal bearings (TPJBs) eliminate oil whip instabilities because they direct the load component of each pad through the journal center, if the effects of pad inertia and pivot friction...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2008, 130(3): 031901.
Published Online: April 2, 2008
..., only a brief description about the main features is reported. The governing equations in NUMECA are the time dependent, three-dimensional Reynolds-averaged NavierStokes equations. The solver of NUMECA is FINE∕TURBO and it is based on a cell centered finite volume approach, associated...