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Keywords: drops
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2012, 134(2): 022002.
Published Online: December 20, 2011
... and latent heat transfer associated with mass transfer, respectively. 25 04 2011 26 04 2011 20 12 2011 20 12 2011 compressible flow drops transonic flow two-phase flow transonic compressor stage inlet fogging numerical simulation stall boundary choking boundary...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2011, 133(11): 112802.
Published Online: May 19, 2011
... 2010 18 09 2010 19 05 2011 19 05 2011 diesel engines dissociation drops nozzles orifices (mechanical) petroleum sprays group-hole nozzle Sauter mean diameter (SMD) droplet mean velocity droplet analysis system (PDPA) Basically, the reduction of nozzle hole...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. November 2011, 133(11): 114505.
Published Online: May 18, 2011
.... The primary breakup visualization, breakup length measurement, and droplet size measurement were performed for different rotational speeds. Several pictures of liquid breakup are included, and various mean and representative diameters are presented. In addition, drop size histograms and cumulative volume...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2011, 133(8): 082001.
Published Online: April 7, 2011
... into many smaller ones. The three-dimensional flow simulation results of these two models are analyzed and compared in this paper. 23 06 2010 08 07 2010 07 04 2011 07 04 2011 blades compressors drops rotors sprays two-phase flow wet compression two-phase flow droplet...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2011, 133(8): 081701.
Published Online: April 5, 2011
..., for smaller droplets, the change in mass flow rate rises steeply, reaching a maximum at about 2   μ m at which point drop-wise evaporation occurs at near-saturated (equilibrium) conditions. Such small droplets could be produced by injecting water at high pressure and temperature so that it “flashes...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2011, 133(1): 012001.
Published Online: September 27, 2010
... without and with water spray is shown in Figs. 6a 6b . For baseline case, a wide range of temperature distribution is noticed. Inlet portion is more uniform (in the range of 300–304 K). Temperature significantly drops to 288 K at the leading edge of the suction side of the rotor due to strong...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2010, 132(8): 082801.
Published Online: May 20, 2010
... and the fluid velocity inside the thin liquid-film layer increases prior to turn-off, microcavitation is generated in that portion due to the local pressure drop. 2 The length of the potential core of the lateral atomizing nozzle flow was found to be shorter than that in the general axisymmetric nozzle flow...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2010, 132(7): 072901.
Published Online: April 26, 2010
... criteria in FCI codes with Eulerian formulation, adequate transport equations for model parameters are given. 20 07 2009 03 09 2009 26 04 2010 26 04 2010 coolant-fuel interactions drops heat transfer steam plants A steam explosion may occur during a hypothetical...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2010, 132(2): 021501.
Published Online: October 15, 2009
... dynamics diameter measurement drops fuel systems jets Mach number orifices (mechanical) shear flow sprays velocity measurement vortices Since cross flow fuel injection is widely used in gas turbine engines combustors, it is important to understand the mechanisms that control the spray...
Topics: Drops, Sprays, Fuels
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2009, 131(3): 032904.
Published Online: February 18, 2009
... air and water. Pressure drops in a barrel and a diffuser and diameters and velocities of droplets at the exit of the barrel are measured using differential pressure transducers and particle Doppler anemometry, respectively. The separator performance does not depend on the shape of the pick-off ring...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2009, 131(3): 033001.
Published Online: February 12, 2009
... 26 06 2008 12 02 2009 blades drops rotors stators turbines slot hot blowing secondary water droplet hollow stator blade When superheated steam expands through the turbine’s steam path and turns into wet steam, at some stage, spontaneous nucleation takes place...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2009, 131(2): 022905.
Published Online: January 5, 2009
... the liquid slug, finally breaking up the slug into small droplets. With further increase in the air mass flow rate, the liquid slugs reduce and sometimes block the whole cross section for the air flow in the test section. Consequently, the pressure drop over the test section increases at these flow...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2008, 130(3): 032811.
Published Online: April 3, 2008
.... 19 10 2007 22 10 2007 03 04 2008 diesel engines drops jets nozzles radiography sprays X-ray applications A key to improving the performance and emissions from diesel engines is an understanding of the spray used to introduce fuel into the engine cylinder. For example...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2008, 130(3): 032001.
Published Online: April 2, 2008
... that mass transferred to the gas phase carries the droplet velocity). 07 05 2007 02 01 2008 02 04 2008 blades compressors drops evaporation flow simulation pipe flow two-phase flow The evaporation of water to cool air as a means of reducing compressor work is a well...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2008, 130(3): 032809.
Published Online: April 2, 2008
... collision and coalescence processes. For reducing grid dependency due to the relative velocity effects, a gas-jet theory is proposed and applied to model diesel sprays. For the time-step dependency, it is identified that the collision submodel results in drop size variation in the standard spray model...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2008, 130(1): 012001.
Published Online: December 17, 2007
... location influences compressor stage loading redistribution differently. The plausible explanations to the observed trends of various performance parameters are presented in this paper. 28 06 2006 17 10 2006 17 12 2007 aerodynamics compressors drops evaporation FORTRAN gas...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2008, 130(1): 012501.
Published Online: December 13, 2007
... 12 2007 aerospace engines computational fluid dynamics drops films flow simulation machine bearings oils shafts bearing chambers two-phase droplets Lagrangian droplet impact Increasing demands on aeroengines to operate at higher shafts speeds and temperatures require...
Topics: Drops, Bearings
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2007, 129(4): 920–928.
Published Online: March 20, 2007
... on parent drops was modeled and integrated into the TAB governing equation. Several assessment studies are presented, and the results indicate that the existing KH and TAB models tend to underpredict the product drop size and spray angle, whereas the current model provides superior results when compared...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2006, 128(2): 326–335.
Published Online: April 3, 2006
... 03 04 2006 power markets gas turbines combined cycle power stations drops thermodynamics sprays Ambient temperature has a strong influence on the gas turbine (GT) performance, with power output dropping by about 0.54% to 0.90% for every 1°C of temperature rise, 1 . Similarly...