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Keywords: nozzles
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 2011, 133(12): 121304.
Published Online: December 23, 2011
...Kevin W. Wilcox; A. Gordon L. Holloway; Andrew G. Gerber In the continuous strip casting process a meniscus forms a compliant boundary between the casting nozzle and transporting conveyor. Movement of this meniscus during casting has been shown to create surface defects, which require extensive...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. November 2011, 133(11): 111102.
Published Online: October 24, 2011
... approximately equals the exit diameter of the supersonic nozzle. The pseudoblade characteristics vary not only due to concomitant mixing processes and operating conditions, but also due to the choice of computational turbulence models. Hence, an experimental characterization of shear layer with turbulence...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. October 2011, 133(10): 101301.
Published Online: September 26, 2011
...H. Soyama In order to enhance the aggressive intensity of a cavitating jet for practical applications, the effect of the geometry of the nozzle through which the jet is driven on the aggressive intensity was investigated. The nozzle under test was cylindrical and consisted of a plate and a cap...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. June 2011, 133(6): 061103.
Published Online: June 15, 2011
... 15 06 2011 boundary layer turbulence confined flow cooling jets laminar flow microfluidics nozzles orifices (mechanical) Microscale liquid jet impingement cooling has received a lot of research attention lately for its application in high heat flux electronics cooling...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Fluids Eng. April 2011, 133(4): 044503.
Published Online: May 12, 2011
... do so with a time interval greater than the capillary relaxation time. Building on this observation, here we report a mechanical means of preventing foam formation during liquid addition: the nozzle delivering the liquid is rotated sufficiently rapidly so that no two successive drops impact...
Topics: Nozzles, Bubbles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. March 2011, 133(3): 031301.
Published Online: March 15, 2011
... designed piece to the nozzle exit. While these attachments can have a variety of shapes, we chose a conical geometry to exploit its axial symmetry and, at the same time, obtain the results that can be generalized to other configurations. Thus, we investigate an addition of the conically shaped attachment...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. March 2011, 133(3): 031001.
Published Online: March 10, 2011
... blockage C absolute velocity c nozzle chord length C f skin friction coefficient DS design speed k x axial clearance discharge coefficient k r radial clearance discharge coefficient k x r discharge...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 2010, 132(12): 121302.
Published Online: December 29, 2010
...S. Gowing; T. Mori; S. Neely Air-augmented waterjets derive their propulsion from compressed gas mixed directly into the main flow. The gas bubbles expand as the mixture passes through the pressure gradient of the convergent nozzle, and energy is imparted to the water from the air in a complex...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 2010, 132(12): 121101.
Published Online: December 3, 2010
... admission as compared with full admission. Thus, an experiment was conducted in a linear cascade apparatus having a partial admission region in order to investigate the effect of partial admission on a blade row. The admission region was formed by a spouting nozzle installed at the inlet of the linear...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 2010, 132(12): 121301.
Published Online: December 3, 2010
...Nagendra Dittakavi; Aditya Chunekar; Steven Frankel Large eddy simulation of turbulent cavitating flow in a venturi nozzle is conducted. The fully compressible Favre-filtered Navier–Stokes equations are coupled with a homogeneous equilibrium cavitation model. The dynamic Smagorinsky subgrid-scale...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. November 2010, 132(11): 111204.
Published Online: November 12, 2010
... and a meridian flow generated by recirculating fluid through a central nozzle located at the vessel bottom. The resulting velocity field is analyzed under two conditions: with and without the meridian or suction flow. It is shown that in the second condition a columnar vortex merges and that its intensity...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. August 2010, 132(8): 081203.
Published Online: August 26, 2010
...Satbir Singh; Mark P. B. Musculus Previous velocity and scalar measurements in both single-phase jets and two-phase diesel fuel sprays indicate that after the flow at the nozzle decelerates, ambient-gas entrainment increases compared to a steady jet. Previous studies using simplified analytical...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. September 2009, 131(9): 091204.
Published Online: August 18, 2009
...Moshe Rosenfeld; Kakani Katija; John O. Dabiri Vortex rings are one of the fundamental flow structures in nature. In this paper, the generation of circulation and vortex rings by a vortex generator with a static converging conic nozzle exit is studied numerically. Conic nozzles can manipulate...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. September 2009, 131(9): 091202.
Published Online: August 17, 2009
... studied here can assist in the development of specialized applications. 17 10 2008 11 06 2009 17 08 2009 boundary layers electrohydrodynamics jets nozzles sprays An electrospray will form from an air-fluid interface subject to a large electric field. The interface...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. May 2009, 131(5): 051103.
Published Online: April 13, 2009
... velocity fluctuation on the main pipe wall above the branch nozzle. Faidy , C. , 2004 , “ Thermal Fatigue in Mixing Area ,” Third International Conference on Fatigue of Reactor Components , EPRI-US NRC-OECD NEA, Seville, Spain. Tanaka , M. , 2004 , Sixth International Conference...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. April 2009, 131(4): 041104.
Published Online: March 9, 2009
...James R. DeBonis Computational fluid dynamics (CFD) was used to evaluate the flow field and thrust performance of a promising concept for reducing the noise at take-off of dual-stream turbofan nozzles. The concept, offset stream technology, reduces the jet noise observed on the ground by diverting...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. April 2009, 131(4): 041201.
Published Online: March 6, 2009
...Theo Van Holten; Monique Heiligers; Annemie Jaeken The behavior of a vortex flow through a Laval nozzle was studied in connection with the purification of natural gas. By creating a vortex and passing it through a Laval nozzle, the gas will be cooled, and water droplets will form...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. January 2009, 131(1): 011306.
Published Online: December 11, 2008
...M. Ahmed; N. Ashgriz; H. N. Tran An experimental investigation is conducted to determine the effect of liquid viscosity and density, nozzle diameter, and flow velocity on the break-up length and spreading angle of liquid sheets formed by splash plate nozzles. Various mixtures of corn syrup...