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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
... of specific heats. 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 The use of water injection technique...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2011, 133(11): 112802.
Published Online: May 19, 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 size may interfere with the generation of a homogeneous mixture...
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
... r 2 = r o 2 + Z 2 tan 2 β The value of this expression at the exit plane is shown in Fig. 8 as the horizontal dashed line. 10 05 2010 13 05 2010 05 04 2011 05 04 2011 compressors cooling drops evaporation gas turbines heat transfer...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2011, 133(1): 012001.
Published Online: September 27, 2010
... 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 acceleration and pressure drop downstream of the stagnation region (see Fig. 5a ). Temperature increases from 288 K to 308 K along the suction side and from 304...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2010, 132(8): 082801.
Published Online: May 20, 2010
... fraction isosurface becomes large. When the liquid film becomes thin due to stretching 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2010, 132(7): 072901.
Published Online: April 26, 2010
... ] , δ s [ t ] ≠ 0 } q s [ r , t ] = − λ ∂ T s ∂ r , q l [ r , t ] = − λ ∂ T l ∂ r which has to result in a heat flux equal to the heat flux from the melt drop surface to the surrounding water. Figures...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2010, 132(2): 021501.
Published Online: October 15, 2009
.... computational fluid dynamics diameter measurement drops fuel systems jets Mach number orifices (mechanical) shear flow sprays velocity measurement vortices 11 10 2007 01 02 2008 15 10 2009 2010 American Society of Mechanical Engineers ...
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
... efficiency. slot hot blowing secondary water droplet hollow stator blade blades drops rotors stators turbines 25 06 2008 26 06 2008 12 02 2009 2009 American Society of Mechanical Engineers ...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2009, 131(2): 022905.
Published Online: January 5, 2009
... work. This deviation can be attributed to the rectangular cross section of the hot leg model. boilers bubbles computational fluid dynamics drops fission reactor coolants two-phase flow In the event of a loss-of-coolant-accident (LOCA) in a pressurized water reactor (PWR), emergency...
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
... and limiting the amount of water that can be injected. Comparison of the thermodynamic performance of wet and dry cycles. All turbomachinery is 90% efficient, heat exchangers have 75% effectiveness, combustion chambers and heat exchangers 5% pressure drop. Figure 1 compares the results of cycle...
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
... multiphase flow and water evaporation during the compression process. The phenomenon of two phase flow compression in axial compressor is not yet fully understood and is a subject to further field testing and investigation. aerodynamics compressors drops evaporation FORTRAN gas turbines...
Journal Articles
The Effect of Initial Injection Conditions on the Oil Droplet Motion in a Simplified Bearing Chamber
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2008, 130(1): 012501.
Published Online: December 13, 2007
... fluid dynamics drops films flow simulation machine bearings oils shafts 13 12 2004 09 10 2005 13 12 2007 In optimizing aeroengine bearing chamber designs, it is vital that the supplied oil performs its purpose and is then removed from the chamber efficiently. Oil...
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
Mustapha A. Chaker, Director,, Cyrus B. Meher-Homji, Principal Engineer,, Thomas Mee, III, Chairman and CEO,
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2006, 128(4): 826–839.
Published Online: September 18, 2006
... presented at the International Gas Turbine and Aeroengine Congress and Exhibition, Atlanta, GA, June 16–19, 2003, Paper No. 2003-GT-38801. 01 October 2002 01 March 2003 16 June 2003 18 09 2006 gas turbines nozzles drops evaporation Gas turbine output...
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...
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