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Keywords: numerical analysis
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2013, 135(7): 071503.
Paper No: GTP-12-1438
Published Online: June 12, 2013
... intensity at high equivalence ratios. Numerical analysis of biogas-HCCI combustion is carried out with a sequential methodology that includes one-zone model simulations, computational fluid dynamics (CFD) analysis, and 12-zones model simulations. Numerical results for varied biogas composition show...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2012, 134(5): 052504.
Published Online: February 29, 2012
... of the discharge coefficients from this parameter is roughly logarithmic. 02 05 2011 03 05 2011 29 02 2012 29 02 2012 aerodynamics blades computational fluid dynamics cooling gas turbines jets Navier-Stokes equations numerical analysis turbulence Impingement with high...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2012, 134(4): 041504.
Published Online: January 30, 2012
... with data from experimental autoignition studies. 13 05 2011 19 05 2011 30 01 2012 30 01 2012 flow simulation ignition Navier-Stokes equations numerical analysis turbulence The use of H 2 -rich fuels in lean premixed combustion systems generally leads...
Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. April 2012, 134(4): 044502.
Published Online: January 25, 2012
... 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...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2012, 134(3): 032402.
Published Online: January 9, 2012
... compressors flow measurement heat transfer impellers numerical analysis temperature measurement temperature sensors The experimental analysis of the performance of centrifugal compressor stages is widely exploited by manufacturers and designers both for the validation of numerical predictions...
Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. November 2011, 133(11): 114503.
Published Online: May 18, 2011
... along the flow direction. 07 10 2010 06 03 2011 18 05 2011 18 05 2011 flow simulation flowmeters Navier-Stokes equations numerical analysis pressure measurement rotational flow seals (stoppers) turbines turbulence staggered labyrinth seal leakage flow...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2011, 133(7): 072402.
Published Online: March 24, 2011
... at an overall and at a fluid-dynamic level. 31 05 2010 29 07 2010 24 03 2011 24 03 2011 blades compressors gas turbines geometry numerical analysis surface roughness Gas turbine performance degradation over time is mainly due to the deterioration of compressor...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2011, 133(3): 032502.
Published Online: November 11, 2010
... friction numerical analysis steam turbines vibration control Experimental investigation of the dynamic response of structures such as bladed disks in gas and steam turbines is still of great importance. The exciting force pattern on the bladed disks is due to the gas (or steam) flowing through...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2011, 133(3): 031501.
Published Online: November 10, 2010
... numerical analysis The injection and atomization of liquid fuels is important to many combustion devices, including gas turbines and internal combustion engines. Fuel droplet size, fuel spray spatial distribution, and fuel/air mixing are all critical performance metrics for the injection systems...
Journal Articles
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
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2011, 133(2): 021506.
Published Online: October 28, 2010
... is a critical issue for the durability of the turbine blades and the high performance of the engine. At present, CFD is a widely used tool to simulate the reacting flow inside gas turbine combustors. This paper presents a numerical analysis of a single can type combustor designed to be fed both with hydrogen...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2011, 133(2): 022801.
Published Online: October 25, 2010
... that can be found under stoichiometric operation. 07 05 2009 03 11 2009 25 10 2010 25 10 2010 combustion ignition internal combustion engines numerical analysis stratified flow turbulence Recent concerns with fuel consumption and emissions from internal combustion...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2010, 132(11): 112901.
Published Online: August 12, 2010
... volume methods fission reactors numerical analysis Poisson equation To improve the predictability of departure from nucleate boiling (DNB) heat flux in thermal hydraulic design of the pressurized water reactor (PWR), mechanistic prediction methods ( 1 2 ) are expected to replace traditional...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2010, 132(9): 092802.
Published Online: June 10, 2010
... cooling hybrid electric vehicles numerical analysis power transmission (mechanical) series hybrid electric vehicle cooling system simulation modeling The series hybrid electric vehicle (SHEV) is an attractive platform for heavy duty military ground vehicles compared with conventional...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2010, 132(7): 072401.
Published Online: April 8, 2010
... turbines maintenance engineering numerical analysis surface roughness The determination of gas turbine operating state consists of the assessment of the modification, due to deterioration and fault, of performance and geometric data that characterize machine components. One of the main effects...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2010, 132(6): 061507.
Published Online: March 30, 2010
... flames. 30 10 2008 02 09 2009 30 03 2010 30 03 2010 combustion diffusion flames numerical analysis turbulence Combined cycle power plants are often preferred over simple gas turbine systems for their flexibility to respond to customer needs. Not only can...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2010, 132(6): 061401.
Published Online: March 19, 2010
... in the compressor discharge temperature corresponds to an increase in the coolant temperature of the first stage. 15 04 2009 14 07 2009 19 03 2010 19 03 2010 bioenergy conversion gas turbines numerical analysis pyrolysis thermal analysis Biomass is a renewable energy source...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2010, 132(5): 052802.
Published Online: March 5, 2010
...) were compared with emphasis on the end-of-injection period. 30 04 2009 14 05 2009 05 03 2010 05 03 2010 cavitation confined flow diesel engines fuel systems needles nozzles numerical analysis Increase of injection pressure and precise control of the injection...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2010, 132(4): 041503.
Published Online: January 27, 2010
... 2010 combustion combustion equipment flames gas turbines numerical analysis quenching (thermal) turbulence vortices It has been shown in the past that the reliability of swirl stabilized lean premixed gas turbine burners can be severely limited by sudden flame flashback, which...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2010, 132(2): 022801.
Published Online: October 15, 2009
... was developed and validated. The simulations show good agreement with the experimental data and capture important combustion phase trends as engine parameters are varied. 28 11 2006 07 08 2008 15 10 2009 internal combustion engines numerical analysis Homogeneous charge...