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Keywords: Swirling Flow
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. August 2024, 146(8): 081205.
Paper No: FE-23-1442
Published Online: March 22, 2024
... e-mail:  mehrdad.raisee.dehkordi@ltu.se e-mail:  michel.cervantes@ltu.se 03 10 2023 11 01 2024 22 03 2024 rotating vortex rope hydraulic turbines swirling flow part load pressure measurement turbine efficiency With the increased share...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. January 2023, 145(1): 011201.
Paper No: FE-22-1261
Published Online: August 23, 2022
... turbine expander, the rotating impeller-induced swirling flow and cavitation are essentially significant and intensive, which requests some in-depth work toward a thorough understanding flow physics and then effective attenuation. This study aims at effectively mitigating the swirling flow and cavitation...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. August 2011, 133(8): 081105.
Published Online: September 2, 2011
... numerical analysis pipe flow propulsion swirling flow turbulence underwater vehicles Propulsor design methods utilize CFD to develop initial propulsor configurations and predict the full-scale open-water performance of these optimal designs. However, like all numerical models, these CFD models...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. April 2011, 133(4): 041102.
Published Online: May 12, 2011
... optimized design was proposed. 23 09 2010 29 03 2011 12 05 2011 12 05 2011 blades computational fluid dynamics design engineering drag electric motors flow simulation Navier-Stokes equations optimisation pipe flow propulsion rotors stators swirling flow underwater...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. June 2010, 132(6): 061103.
Published Online: June 15, 2010
... the final two revolutions. 15 06 2009 19 04 2010 15 06 2010 15 06 2010 blades flow simulation hydraulic systems impellers iterative methods pumps rotational flow swirling flow viscosity Single-blade-impeller pumps are widely used for wastewater pumping...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. June 2010, 132(6): 061102.
Published Online: June 11, 2010
... 11 06 2010 anemometers boundary layers confined flow swirling flow rotor-stator hot-wire anemometry turbulent flow analytical model In internal gas turbine cooling systems, the disks usually rotate close to a stationary casing or in front of other corotating...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. May 2010, 132(5): 051108.
Published Online: May 13, 2010
... with and without the rotation of the disk, it was found that the normal moment without the disk rotation did not have the effect to encourage the precession motion. Thus, the swirl flow due to disk rotation was found to be responsible for the encouragement of the precession motion. 02 08 2009 07 04 2010...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. February 2010, 132(2): 021101.
Published Online: February 3, 2010
... hydrodynamics Navier-Stokes equations propulsion rotors stators swirling flow underwater vehicles vehicle dynamics viscosity 2010 American Society of Mechanical Engineers ...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. January 2010, 132(1): 011303.
Published Online: January 12, 2010
... applications swirling flow turbulence gas-centered coaxial atomizers liquid sheets jet/sheet breakup sprays It has always been the endeavor of all engineers working in spray combustion to transform bulk liquid (fuel and/or oxidizer) into tiny droplets. A decrease in the size of liquid...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. May 2009, 131(5): 051104.
Published Online: April 13, 2009
...A. Ahmadi The sensitivity to poor conditioned and swirling flow of flow measurements using an orifice plate are subjects of concern to flowmeter users and manufacturers. Measurements of mass flow rate under different conditions and different Reynolds numbers were used to establish a change...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. November 2008, 130(11): 111101.
Published Online: September 19, 2008
... completely suppresses vortex breakdown while the convex-cone lid precipitates the onset of vortex breakdown. In the above bioreactors, the swirling flow and its vortex breakdown may affect the cell culture in terms of local shear stress and mixing. Dusting et al. ( 17 ) found that the shear stress...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. May 2008, 130(5): 051401.
Published Online: April 29, 2008
... scales in the formulation of the eddy viscosity. The filtered k - ω model is implemented in an in-house computational fluid dynamics (CFD) code, and numerical simulations have been made of strongly swirling flow through a sudden expansion. The new model surpasses the original model in predicting unsteady...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. April 2008, 130(4): 041106.
Published Online: April 14, 2008
.... It is assumed that the cavity volume at the runner exit is a function of the pressure at the vortex core evaluated from the instantaneous local pressure at the runner exit and an additional pressure decrease due to the centrifugal force on the swirling flow. It was found that the diffuser effect of the draft...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. January 2008, 130(1): 011203.
Published Online: January 16, 2008
... to the later variation or vice versa has been taken to characterize destabilization and relaminarization, respectively. The predicted azimuthal velocity component was found to be reasonably accurate near the wall and not so encouraging in the core region of the swirling flow. The recirculation bubble generated...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. September 2007, 129(9): 1179–1185.
Published Online: April 10, 2007
...-measured tangential and axial velocity spectra. Although one of them agreed quite well with those in literature, the other was reported for the first time. One explanation was proposed. 11 05 2006 10 04 2007 swirling flow turbulence vortices Cyclone separators have been used...
Journal Articles