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Keywords: laminar flow
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2020, 142(6): 061010.
Paper No: GTP-19-1651
Published Online: May 29, 2020
... with experimental data obtained from coast-down tests of a high-speed spindle supported on gas lubricated bearings, operated in air and in halocarbon R245fa at various pressures. The windage losses are first computed considering state-of-the-art laminar flow loss models in the gas bearings and an experimentally...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2012, 134(2): 022503.
Published Online: December 14, 2011
.... [ 31 ] for a discussion on the transition from turbulent to laminar flow (strictly applicable to a single fluid) and the formulas for friction factors applicable to all flow regimes. Drag power loss versus inlet gas volume fraction (β S ). Mixture N 2 in ISO VG 2 oil (Δ P  = 71 bar, 10 krpm...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2011, 133(9): 091501.
Published Online: April 14, 2011
... turbines laminar flow length measurement pressure velocity measurement The laminar premixed flame speed is a fundamental physical property of a combustible mixture related to mixture composition, stoichiometry, temperature, and pressure ( 1 ). For gas turbine combustion systems, the laminar...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2011, 133(6): 061502.
Published Online: February 15, 2011
... combustion flames flow instability fluid oscillations functional analysis laminar flow pipe flow Reduction of pollutant emissions to meet environmental regulations has led to novel solutions in combustor design. Advanced systems use new premixed burners in which the flame is more compact...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2011, 133(2): 021504.
Published Online: October 28, 2010
... chemiluminescence flames flow visualisation fluorescence ignition jets laminar flow laser beam applications measurement systems velocimeters Auto-ignition of fuel in an oxidizer at elevated temperature is of significant practical interest, for example in internal combustion engines, scramjets...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2011, 133(1): 011503.
Published Online: September 14, 2010
...Christian Eichler; Thomas Sattelmayer Premixed combustion of hydrogen-rich mixtures involves the risk of flame flashback through wall boundary layers. For laminar flow conditions, the flashback mechanism is well understood and is usually correlated by a critical velocity gradient at the wall...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. November 2010, 132(11): 114502.
Published Online: August 10, 2010
... and the fence subtended angle, the fence may increase or decrease the diffuser effectiveness in comparison with sudden expansion without fence. 27 02 2009 21 04 2009 10 08 2010 10 08 2010 differential equations diffusion laminar flow sudden expansion with fence Reynolds...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2010, 132(9): 091401.
Published Online: June 10, 2010
... combustion flames gas mixtures gas turbines laminar flow reaction kinetics 16 04 2009 13 08 2009 10 06 2010 10 06 2010 2010 American Society of Mechanical Engineers ...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2010, 132(2): 021504.
Published Online: October 30, 2009
... above 1 atm and at rich conditions. 04 04 2008 22 05 2008 30 10 2009 combustion fuel gas turbines ignition laminar flow natural gas technology reaction kinetics theory Fuel-flexible gas turbine engines are presently of interest to the power generation and combustion...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2009, 131(6): 061501.
Published Online: July 14, 2009
... using a probability distribution function modeling approach. The results of the TF model are in better agreement with data when compared with the predictions of the G -equation approach. 15 10 2008 17 10 2008 14 07 2009 combustion flames laminar flow statistical distributions...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2009, 131(3): 031505.
Published Online: February 10, 2009
... the physics behind lifted flames. Lifted flames have been a canonical problem for testing models for partially premixed turbulent combustion. combustion flames jets laminar flow turbulence 04 04 2008 25 08 2008 10 02 2009 2009 American Society of Mechanical Engineers ...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2009, 131(3): 031501.
Published Online: January 29, 2009
... vapor. Soot particles play a major role in heat transfer from the flame. Therefore, better understanding and control of soot forming processes in hydrocarbon combustion are required. diffusion finite difference methods flames heat transfer jets laminar flow oxidation 21 09 2007...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2008, 130(6): 061502.
Published Online: August 22, 2008
... hydrogen laminar flow stagnation flow hydrogen laminar flame speed strain sensitivity N 2 dilution reactant preheat One of the most extensively studied kinetic mechanisms is that of hydrogen combustion because of its relative simplicity and its importance in understanding combustion...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2008, 130(5): 052501.
Published Online: June 5, 2008
... shaft speeds ( 4000 rpm , 6000 rpm , 8000 rpm , and 10000 rpm ) and bearing unit loads from 0 kPa to 1034 kPa ( 150 psi ) . Laminar flow was produced for all test conditions. A finite-element algorithm was used to generate solutions to the Reynolds-equation model. Excellent agreement was found between...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2008, 130(3): 031501.
Published Online: March 28, 2008
... mixtures laminar flow With an emerging need to address gas turbine combustor issues such as fuel variability and fuel flexibility, and fundamental information and data regarding the combustion characteristics of commercial and alternative fuels are essential ( 1 2 ). Future generation gas turbine...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2008, 130(2): 021504.
Published Online: January 30, 2008
... turbulent combustion in stationary gas turbines. 29 08 2005 15 01 2007 30 01 2008 gas turbines laminar flow flames computational fluid dynamics turbulence mechanism reduction heat release syngas flame speed The introduction of syngas combustion technology...
Journal Articles
Journal Articles