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Keywords: swirling flow
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Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2012, 134(5): 052502.
Published Online: February 21, 2012
... nozzles rotors stators swirling flow turbulence In addition there are several experimental, theoretical, and numerical studies available, which include heat transfer to the rotating disk. Heat transfer results for a rotor-stator system with radial inflow are presented by Chen et al. [( 11...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2012, 134(4): 041503.
Published Online: January 27, 2012
... NO on the midplane from the LES-PaSR model chemically reactive flow combustion combustion equipment flames flow instability flow simulation gas turbines swirling flow turbulence large eddy simulation turbulence chemistry interaction models validation Present-day combustion models...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2012, 134(2): 022802.
Published Online: December 14, 2011
... out the more effective way to reduce soot emissions. combustion diesel engines fuel economy fuel systems heat losses heat transfer military vehicles nanoparticles petroleum smoke soot swirling flow 10 12 2010 20 12 2010 14 12 2011 14 12 2011 2012...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. October 2011, 133(10): 101501.
Published Online: April 25, 2011
...Stephan Burmberger; Thomas Sattelmayer A frequently employed method for aerodynamic flame stabilization in modern premixed low emission combustors is the breakdown of swirling flows; with carefully optimized tailoring of the swirler, a sudden transition in the flow field in the combustor can...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2011, 133(5): 052906.
Published Online: December 13, 2010
... wall wnh with no heating Gambill , W. R. , Bundy , R. D. , and Wansbrough , R. W. , 1961 , “ Heat Transfer, Burnout, and Pressure Drop for Water in Swirl Flow Tubes with Internal Twisted Tapes ,” Chem. Eng. Prog., Symp. Ser. 0069-2948 , 57 ( 32 ), pp. 127 – 137...
Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. April 2011, 133(4): 044501.
Published Online: November 18, 2010
...-fuel ratio was decreased. 04 06 2009 07 01 2010 18 11 2010 18 11 2010 combustion computational fluid dynamics diesel engines flow simulation swirling flow torque valves CFD has gained acceptance as a tool for engine design and to evaluate changes to engine...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2011, 133(2): 021502.
Published Online: October 27, 2010
... % . Funding for this research was provided by the Department of Energy University Coal Research Program through Contract No. DE-FG26-07NT43069 and the National Science Foundation through Award No. 0625970. flames fluid oscillations gas turbines swirling flow Lean-premixed combustion has been...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2011, 133(1): 011504.
Published Online: September 17, 2010
... near the premixer inlet using an IMD placed at L 2 = 20   cm from the injection plane inside the premixer (Fig. 1 ). This distance was chosen to avoid any hydrodynamic pressure perturbation from the swirling flow inside the premixer. The reflection coefficient at the same location...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2010, 132(12): 121502.
Published Online: August 20, 2010
... ). combustion instability linear stability analysis active instability control acoustic boundary condition acoustic analysis combustion flow instability stability swirling flow test equipment thermoacoustics 06 05 2009 22 07 2009 20 08 2010 20 08 2010 As has been...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2010, 132(11): 111504.
Published Online: August 11, 2010
... model with enhanced wall treatment is employed to model turbulent swirl flow, whereas eddy break-up (EBU), presumed probability density function laminar flamelet model, and partially premixed coherent flame model (PCFM) are tried for reacting flow in the combustor. Independent simulations are carried...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2010, 132(9): 091402.
Published Online: June 17, 2010
... rotors flow instability compressors impellers Mach number pistons compressible flow swirling flow flow simulation rotordynamic coefficients impeller-shroud forces Multistage centrifugal compressors using shrouded impellers have been notably subject to rotordynamic instabilities...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2010, 132(9): 091501.
Published Online: June 10, 2010
... combustion combustion equipment cooling Doppler measurement fuel systems gas turbines laser velocimetry swirling flow Lean premixed swirl stabilized combustion is successfully applied in gas turbine combustion systems to maintain low NO x and CO-emissions over a wide operating...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2010, 132(8): 081502.
Published Online: May 18, 2010
.... For example, it experiences large variations in density and loses surface tension. These property variations can have profound effects on the behavior of swirling jets. supercritical injection supercritical jets supercritical swirling jets fuel jets nozzles sprays swirling flow 24...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2010, 132(7): 071503.
Published Online: April 9, 2010
...Ashoke De; Shengrong Zhu; Sumanta Acharya An unconfined strongly swirled flow is investigated for different Reynolds numbers using particle image velocimetry (PIV) and large eddy simulation (LES) with a thickened-flame (TF) model. Both reacting and nonreacting flow results are presented. In the LES...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2010, 132(7): 071502.
Published Online: April 7, 2010
... aerodynamics combustion combustion equipment confined flow flames jets swirling flow transfer functions The stability of lean premixed combustion systems with regard to self-sustained combustion instabilities can be evaluated with a stability analysis using the acoustic network modeling approach...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2010, 132(6): 061503.
Published Online: March 18, 2010
... , “ On the Low-Frequency Limit of Flame Transfer Functions ,” Combust. Flame 0010-2180 , 151 , pp. 437 – 451 . 10.1016/j.combustflame.2007.07.005 09 04 2009 19 07 2009 18 03 2010 flames swirling flow In order to meet stringent pollution regulations, lean combustion...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2010, 132(4): 041502.
Published Online: January 19, 2010
... . 10.1080/00102209308935311 21 03 2009 30 03 2009 19 01 2010 19 01 2010 chemiluminescence combustion flames gas turbines heat transfer swirling flow turbulence The term “combustion instability” generally refers to the sustained high amplitude pressure...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2009, 131(5): 051502.
Published Online: June 5, 2009
....2005.10.002 , 32 ( 2 ), pp. 93 – 161 . 24 07 2008 06 09 2008 05 06 2009 combustion flow control flow instability swirling flow turbulence perforated plate impedance passive control flame-acoustic interaction combustion instabilities nonlinear acoustics...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2009, 131(3): 032904.
Published Online: February 18, 2009
... 08 2008 22 08 2008 18 02 2009 drops flow instability light water reactors pressure transducers swirling flow Boiling water nuclear reactors (BWRs) are equipped with steam separators for splitting a two-phase mixture into steam and water before feeding...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2008, 130(6): 061501.
Published Online: August 22, 2008
... , “ Effect of Air Pressure Upon Spray Angle∕Width Characteristics of Simplex Pressure Swirl Atomizers ,” ASME Paper No. 88-GT-176. 29 06 2007 01 03 2008 22 08 2008 angular measurement nozzles sprays swirling flow pressure swirl cone angle nozzle pressure drop ambient...