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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
... a component heat load when a sufficient pressure head and geometrical characteristics are available for its implementation. The cooling jets are usually arranged as arrays. aerodynamics blades computational fluid dynamics cooling gas turbines jets Navier-Stokes equations numerical analysis...
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
... )]. For LES, the finite volume-based LES solver AVBP developed at CERFACS [( 16 23 )] was used; and for the URANS, ANSYS CFX V12. The fully compressible multispecies NavierStokes equations are solved using a methane–air mixture with an equivalence ratio of 0.77 at atmospheric conditions for 30 kW of power...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2011, 133(12): 121504.
Published Online: September 12, 2011
... high computational expense [( 6 )]. combustion equipment computational fluid dynamics gas turbines Navier-Stokes equations power grids 15 04 2011 27 04 2011 12 09 2011 12 09 2011 References 1 Mongia , H. C. , 2001 , “ A Synopsis of Gas Turbine...
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
... the planes (methane) bioenergy 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2011, 133(8): 082401.
Published Online: April 7, 2011
... is below 10 − 4 , the solution is considered converged. 20 05 2010 21 05 2010 07 04 2011 07 04 2011 boundary layers compressors Navier-Stokes equations pipe flow The fluid flow in compression station piping is often highly transient due to pipe length...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2011, 133(6): 061504.
Published Online: February 16, 2011
... of the LES simulation using the standard Smagorinsky model were found to provide much better agreement with the experiments also in the description of turbulent mixing. combustion computational fluid dynamics flow measurement flow simulation gas turbines jets Navier-Stokes equations turbulence...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2011, 133(5): 052913.
Published Online: December 21, 2010
... . 10.1063/1.858280 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2011, 133(4): 041202.
Published Online: November 19, 2010
... of this framework to more complex flows requires no fundamental modifications as will also be discussed. 01 06 2010 10 06 2010 19 11 2010 19 11 2010 aeroacoustics boundary layer turbulence engines flow simulation gas turbines jets military aircraft Navier-Stokes equations nozzles...
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
...% of the compressor flow rate may be required to enter the combustion zone through the injection system, compared with the 30% of conventional old designs ( 2 ). aerodynamics aerospace engines computational fluid dynamics coolants cooling jets Navier-Stokes equations 04 05 2010 28 05 2010...
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
... J. Eng. Gas Turbines Power 0742-4795 , 124 , pp. 140 – 146 . 10.1115/1.1403460 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 flow...
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
... in labyrinth honeycomb seals. 03 03 2009 17 06 2009 16 03 2010 16 03 2010 flow simulation honeycomb structures Navier-Stokes equations seals (stoppers) labyrinth honeycomb seal leakage flow numerical simulation The increasing demand for aggressive power output...
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
... in detail in the user manual ( 24 ). Here, 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...