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Keywords: mixing
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Proceedings Papers

Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T08A003, August 10–12, 2021
Paper No: FEDSM2021-65750
...Abstract Abstract A mixing strategy for assuring a homogeneous fluid flow inside wastewater treatment plants (WWTPs) is a necessity, in order to keep continuous contacts of substrates and degraders. On the other hand, mixing is an energy-demanding process. Therefore, the power consumption...
Proceedings Papers

Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T05A025, August 10–12, 2021
Paper No: FEDSM2021-65431
... Proceedings of the ASME 2021 Fluids Engineering Division Summer Meeting FEDSM2021 August 10-12, 2021, Virtual, Online FEDSM2021-65431 VORTICAL STRUCTURES AND MIXING CHARACTERISTICS OF FLOW IN RANDOMLY PACKED POROUS MEDIA DURING TRANSITION TO TURBULENCE Reza M Ziazi James A Liburdy Mechanical...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A013, July 13–15, 2020
Paper No: FEDSM2020-20120
...Abstract Abstract This paper characterizes the mixing behavior of laminar flows within a circular pipe equipped with plain woven meshes or screens, acting as static mixers. In this quest, their performance was numerically investigated using the Lagrangian particle method in a commercial CFD...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T04A031, July 13–15, 2020
Paper No: FEDSM2020-20390
... with insufficient mixing, particle and density distributions can result in preferential settling, creating stratification in the solids concentration within the vessel. For vessels with transfer line inlets located in the lower portion of the tank, the stratified solids concentration may be detrimental...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A061, July 28–August 1, 2019
Paper No: AJKFluids2019-5369
... Abstract The mixing characteristics of a coaxial round jet having inner to outer diameter ratio d i /d o = 0.67 was investigated to establish the method for mass and energy transport with inhibiting its diffusion. In the present study, the effect of the velocity ratio on the streamwise length...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A065, July 28–August 1, 2019
Paper No: AJKFluids2019-5546
... Abstract This paper investigates numerically the various parameters dictating the vortical (self)-mixing induced by a non-uniform magnetic field in a ferrofluid flow in an elbow channel. The elbow bend region of the channel has two current carrying conductors placed symmetrically...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A062, July 28–August 1, 2019
Paper No: AJKFluids2019-5478
... Abstract The effects of nozzle orientation on the mixing and turbulent characteristics of elliptical free twin jets were studied experimentally. The experiments were conducted using modified contoured nozzles with a sharp linear contraction. The centers of the nozzle pair had a separation ratio...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 4: Fluid Measurement and Instrumentation; Micro and Nano Fluid Dynamics, V004T04A006, July 28–August 1, 2019
Paper No: AJKFluids2019-5377
... of the backflow. Additionally, the fluctuation of the jet boundary layer became stronger as the duty ratio was increased. From these factors, it is considered that the backflow by the plasma induced flow effectively works on the diffusion of the jet structure. jet mixing plasma actuator flow control...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A030, July 28–August 1, 2019
Paper No: AJKFluids2019-4972
... Abstract This study experimentally investigates the mixing of a two-layer density-stratified fluid of water (upper layer) and aqueous sodium chloride (NaCl) solution (lower layer) induced by the interaction between a vortex ring and the density interface. The vortex ring, which consists...
Proceedings Papers

Proc. ASME. FEDSM2013, Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Industrial and Environmental Applications of Fluid Mechanics; Issues and Perspectives in Automotive Flows; Liquid-Solids Flows; Multiscale Methods for Multiphase Flow; Noninvasive Measurements in Single and Multiphase Flows; Numerical Methods for Multiphase Flow; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes; Transport Phenomena in Mixing; Turbulent Flows: Issues and Perspectives, V01CT24A005, July 7–11, 2013
Paper No: FEDSM2013-16436
... performance of a photobioreactor. The turbulent mixing of multiphase flows inside the photobioreactor (i.e., liquid phase water, gas phase CO2 and O2, and solid phase algae cells) is the core connecting the three key factors together. In the present study, a comprehensive experimental investigation...
Proceedings Papers

Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 2, Fora, 275-282, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-30369
..., to investigate the mixing and segregation behavior of the fuel particles with the bed material. In order to characterize the material distribution, a technique to visualize the biomass inside a fluidized bed reactor has been developed using X-ray computed tomography (CT) scans. This paper presents an image...
Proceedings Papers

Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C, 793-795, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-30969
... The mixing of two or more liquids is very common in many industrial applications. In some cases the liquids are set on the pump inlet. The mixing process of two non-isothermal fluids in a pump is investigated in the presented work. Different pump geometries have been studied with comparison...
Proceedings Papers

Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 381-387, August 2–6, 2009
Paper No: FEDSM2009-78395
... 30 07 2010 The mixing of two or more liquids is very common in many industrial applications. In some cases the liquids set on the pump inlet. The mixing process of two fluids in a pump is investigated in the presented work. Different pump geometries have been studied with comparison...
Proceedings Papers

Proc. ASME. FEDSM2009, Volume 2: Fora, 539-542, August 2–6, 2009
Paper No: FEDSM2009-78530
... in such miniaturized formats leads to issues of accuracy and sensitivity caused by incomplete mixing and the mechanical stirring methods satisfactory used for 384 well-plate formats, give poor mixing with lower volumes. Here we present results obtained in 1536-well and 3456-well plates equipped with electrodes where...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 1233-1240, July 30–August 2, 2007
Paper No: FEDSM2007-37324
... will significantly affect performance of multiple jet systems used for improved mixing. jets in cross flow multiple jets mixing dual-jet system coherent flow structures field developed is presented. The presence of a jet inside the under investigation by researchers for over 50 years [1]. It Proceedings...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 1301-1304, July 30–August 2, 2007
Paper No: FEDSM2007-37554
... 26 03 2009 We have developed products that apply microfluidic technology to various fields: micro-mixing servers used in the chemical development field and in the personal products industry such as perfume and cosmetics; water quality monitoring systems for monitoring water quality...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 259-263, July 30–August 2, 2007
Paper No: FEDSM2007-37676
... 26 03 2009 The mixing of two fluids is important in enhancing chemical reactions in a micro TAS. Some devices or methods are needed to enhance the mixing, because the Reynolds number is very low, on the order of 1. In the present research, we studied the possibility of using micro...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 561-570, July 30–August 2, 2007
Paper No: FEDSM2007-37155
... 26 03 2009 The convective mixing performance of an active micromixer is analyzed by using computational fluid dynamics (CFD). The mixer consists of a Y-shaped channel and an N -paddle (3, 4, and 5) rotor with radius R suspended in the junction of the channel. Numerical simulations...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 581-588, July 30–August 2, 2007
Paper No: FEDSM2007-37442
... 26 03 2009 Many industrial chemical processes involve the mixing of two or more liquids. By reducing chemical reactors to microscale dimensions, engineers seek to take advantage of decreased diffusion lengths, leading to increased effectiveness ( e.g. , higher purity of product) over...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 1, 91-101, July 11–15, 2004
Paper No: HT-FED2004-56110
... streamwise (vertical) distances greater than 70–80 source diameters from the source. 03 03 2009 Mixing Jets Scaling Self-Preservation Turbulence Proceedings of HT/FED 04 2004 Heat Transfer/Fluids Engineering Summer Conference preserving properties of the flow were correlated...
Topics: Jets, Turbulence