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Keywords: flow control
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Journal Articles
Article Type: Research-Article
J. Fluids Eng. July 2022, 144(7): 071210.
Paper No: FE-21-1231
Published Online: March 18, 2022
...Sabri Deniz; Martin von Burg; Manuel Tiefenthaler This is the second part of a two-part paper focusing on the flow instabilities of low-specific speed pump turbines. In this part, results of the flow control application with fluid injection in the vaneless space for suppressing the flow...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. August 2022, 144(8): 081208.
Paper No: FE-21-1592
Published Online: March 8, 2022
...Mohammad-Reza Pendar; José Carlos Páscoa The impetus of the present bio-inspired work is to investigate the impact of simultaneously using wavy leading-edge (WLE) airfoils in combination with curved multidielectric barrier discharge (DBD) plasma actuators as hybrid passive and active flow control...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. August 2022, 144(8): 081301.
Paper No: FE-21-1414
Published Online: March 2, 2022
... -based numerical simulation as well as by experimental results. e-mail:  bharat25soni@gmail.com e-mail:  asuri@me.iitr.ac.in 1 Corresponding author. e-mail:  ameeyakumar@gmail.com e-mail:  afm@uevora.pt 15 08 2021 06 01 2022 02 03 2022 flow control fluid...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. July 2022, 144(7): 071208.
Paper No: FE-21-1487
Published Online: February 17, 2022
...:  wenming_y@126.com e-mail:  s20200432@xs.ustb.edu.cn e-mail:  byliu@me.ustb.edu.cn 13 09 2021 12 12 2021 17 02 2022 backward-facing step flow control ferrofluids ferrohydrodynamics magnetization relaxation National Natural Science Foundation of China 10.13039...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. August 2021, 143(8): 081101.
Paper No: FE-20-1351
Published Online: May 26, 2021
... that support the implicit assumption in past studies that the maximum wall concentration should be used to define the local polymeric properties. e-mail:  elbing@okstate.edu 02 06 2020 28 10 2020 26 05 2021 polymer drag reduction turbulent boundary layer flow control...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. November 2020, 142(11): 114501.
Paper No: FE-20-1030
Published Online: September 4, 2020
... Using X-Ray Absorption ,” Atomization Sprays , 11 ( 4 ), pp. 471 – 490 . 10.1615/AtomizSpr.v11.i4.100 coaxial two-fluid spray flow control shadowgraph imaging Coaxial sprays provide the atomization necessary for many processes including liquid rocket and jet engine combustion [ 1...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. February 2020, 142(2): 021206.
Paper No: FE-19-1407
Published Online: October 30, 2019
... was activated and the nondimensional frequency was increased (from zero), the coefficient of lift and drag changed drastically toward improved aerodynamic performance, and after a certain value, this improvement process slowed down. When we compared the flow control ability of SJA with that of a continuous...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. August 2014, 136(8): 081102.
Paper No: FE-13-1581
Published Online: May 12, 2014
... The Tesla valve is a passive-type check valve used for flow control in micro- or minichannel systems for a variety of applications. Although the design and effectiveness of a singular Tesla valve is somewhat well understood, the effects of using multiple, identically shaped Tesla valves in series—forming...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. February 2014, 136(2): 021302.
Paper No: FE-12-1378
Published Online: December 12, 2013
.... However, detailed investigation through a three-dimensional approach on acoustic evaluation and development of more accurate porous model are left as future work. More experimental research on flow control and noise reduction by application of porous material coating is required. This research...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. December 2011, 133(12): 121402.
Published Online: December 23, 2011
... with CFD simulations and physical experiments, has been used to design a quasi-two dimensional closed-circuit wind tunnel model for a VE. Passive control and active flow control have proven to be essential in producing desired flow characteristics for the system. Design and characterization of the vent...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. August 2011, 133(8): 081103.
Published Online: August 19, 2011
... working conditions. 19 08 2011 19 08 2011 cooling flow control lubrication petroleum pistons pressure control pumps valves λ v as a function of p rail for different values of n (pump 2) The mechanical efficiency is given by 18 η m = P i...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. May 2011, 133(5): 054501.
Published Online: June 7, 2011
.... Aerodyn. , 91 ( 5 ), pp. 653 – 669 . 10.1016/S0167-6105(02)00459-2 flow control flow instability flow visualisation turbulence two-phase flow mean flow asymmetry bistability unstable double backward facing step Buildings as well as vehicles on ground and sea are often bluff...
Topics: Flow (Dynamics)
Journal Articles
Article Type: Research Papers
J. Fluids Eng. May 2011, 133(5): 051202.
Published Online: June 2, 2011
... . 10.1017/S0022112082003115 2 Igarashi , T. , 1997 , “ Drag Reduction of a Square Prism by Flow Control Using a Small Rod ,” J. Wind Eng. Ind. Aerodyn. , 69–71 , pp. 141 – 153 . 10.1016/S0167-6105(97)00150-5 3 Vickery , B. J. , 1966 , “ Fluctuating Lift and Drag on a Long...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. July 2010, 132(7): 071101.
Published Online: June 29, 2010
... inlet is reduced by J-grooves. 28 04 2009 30 05 2010 29 06 2010 29 06 2010 flow control flow measurement hydraulic turbines pipe flow velocity measurement vortices fluid machinery diffuser swirl flow draft surge J-groove At partial-load operation...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. May 2010, 132(5): 051107.
Published Online: May 13, 2010
... the late compression. Therefore, it can be assumed that CMCV enhances the fuel-air mixing more than the flame speed. 23 02 2009 11 04 2010 13 05 2010 13 05 2010 confined flow flow control flow measurement internal combustion engines swirling flow turbulence...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. May 2010, 132(5): 054502.
Published Online: May 13, 2010
... for high aspect ratio capillaries is derived with such appropriate control volume. 12 03 2010 15 04 2010 13 05 2010 13 05 2010 channel flow flow control The authors gratefully acknowledge the financial support of Alberta Ingenuity Fund from the Province of Alberta...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. May 2010, 132(5): 051202.
Published Online: April 28, 2010
... fans flow control flow separation flow visualisation impellers shear flow The following specific conclusions were drawn. 1 Within the limited parameter space considered here, the optimum reduced control frequencies were found to be F + ∼ 0.5 , irrespective of the blade...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. May 2010, 132(5): 051102.
Published Online: April 27, 2010
... quasistagnant region. We investigate a novel flow control technique, which uses a water jet injected from the runner crown tip along the axis. It is shown that the jet discharge can be optimized for minimum overall losses, while the vortex breakdown is eliminated. This flow control method is useful...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. December 2009, 131(12): 121102.
Published Online: November 19, 2009
... to be capable of controlling flow separation in adverse pressure gradient flows ( 3 4 ). aerodynamics automobiles drag flow control flow separation vortices 2009 American Society of Mechanical Engineers ...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. February 2009, 131(2): 021101.
Published Online: January 7, 2009
... in the inlet is proven successful. 10 12 2006 15 05 2008 07 01 2009 chaos flow control flow instability Navier-Stokes equations pipe flow turbines vortices The Francis turbine is a standard facility of large hydraulic power stations. The water enters a spiral case toward...