Computational design of mixers and pumps for microfluidic systems

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    Jul 20, 2014 · We propose a strategy for optimizing distribution of flow in a typical benchtop microfluidic chamber for dielectrophoretic application. It is aimed at encouraging uniform flow velocity along the whole analysis chamber in order to ensure DEP force is evenly applied to biological particle. Via the study, we have come up with a constructive strategy in improving the design of microfluidic channel

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  • Applications of CFD Simulations on Microfluidic Systems

    microfluidic reactors. Microfluidic reactors are manipulated in laminar regime: the absence of turbulence enables a homogeneous environment for particle synthesis. Micromixers are usually integrated into the system to enhance mixing and thereby improve the yield. Edel et al. demonstrated the synthesis of CdS .

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  • Experimental determination and computational prediction of

    Mar 01, 2021 · However, one of the most significant disadvantages of microfluidic mixers is the fluid's laminar flow profile in the microfluidic mixers. Because of the small channel dimension, the Reynolds Number in micromixers is typically low, i.e., on the order of 0.1 to 0.01 in a typical water-based microfluidic system ( Buchegger et al., 2011 ).

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  • Passive mixers in microfluidic systems: A review

    Mar 15, 2016 · In miniaturized flow systems with Reynolds numbers varying from 2 to 100, flow structures can be artificially induced, thereby assisting flow segmentation through inertia effects,,,,,,, .Buchegger et al. proposed a horizontal multi-lamination micromixer based on wedge-shaped inlet channels. The experimental results showed that the proposed design enabled highly uniform fluid mixing …

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  • Computational design of mixers and pumps for microfluidic

    Computational design of mixers and pumps for microfluidic systems, based on electrochemically-active conducting polymers February 2011 Physical Chemistry Chemical Physics 13(12):5450-61

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  • Design of passive mixers utilizing microfluidic self

    Design of passive mixers utilizing microfluidic self-circulation in the mixing chamber The device was actuated by a pneumatic pump to induce self-circulation of the fluid. The self-circulation phenomenon in the micromixer was predicted by the computational simulation of the microfluidic dynamics.

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  • Broad range of solutions for use in microfluidic applications

    Accessories. Fluigent's broad range of solutions for use in microfluidic and nanofluidic applications offer greater control, automation, precision, and ease of use. If you are seeking to replace high-precision syringe pumps or other conventional instruments, we offer modern microfluidic systems and components that enhance productivity.

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  • Mixers and Pumps for Microfluidic Systems, based on

    Mixers and Pumps for Microfluidic Systems, based on Conducting Polymer Oxidation Wave. Electrochemically-active conducting polymers (ECP) swell or shrink in response to ion and solvent incorporation or ejection as a result of electrochemical reaction of the polymer. When anodic potential is applied to an electrode attached to one end of ECP

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  • Chaotic mixing in cross-channel micromixers

    May 15, 2004 · Kannappan K, Bogle G, Travas-Sejdic J and Williams D (2011) Computational design of mixers and pumps for microfluidic systems, based on electrochemically-active conducting polymers, Physical Chemistry Chemical Physics, 10.1039/c0cp02659j, 13:12, (5450), .

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  • Design of passive mixers utilizing microfluidic self

    Microfluidic Technology - an overview | ScienceDirect Topics

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  • Applications of CFD Simulations on Studying the Multiphase

    systems. It may benefit the design and operations of novel microfluidic and millifluidic systems. 1 system usually contains various sub-components such as pumps, reactors, separation devices and utilized a micro-mixer within a microfluidic reactor for Phenyl Boronic Acid process and found

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  • Computational design of mixers and pumps for microfluidic

    Microfluidic System Concept Microfluidics

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  • Design and simulation of passive mixing in microfluidic

    Oct 15, 2009 · In contrast, the passive mixers are stable in operation and easily integrated in a complex microfluidic system. Although the processes of design and fabrication of passive systems are generally known to be simpler than those of active ones, the flow control is a critical problem in these systems . Therefore, the optimum design of passive mixing

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  • Evaluation of a Microfluidic Mixer Utilizing Staggered

    In this work, a microfluidic mixer utilizing the SHB geometry was developed and characterized using computational fluid dynamics based simulations and complimentary experiments. A channel design with SHB ridges was simulated in COMSOL Multiphysics under a variety of operating conditions to evaluate its mixing capabilities.

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  • Design of T-Shaped Micropump Based on Induced Charge

    Oct 28, 2013 · The fluid-driven efficiency of the micropump based on induced charge electroosmotic was studied by numerical simulation method. In this paper, we propose to make some improvement against the T-shaped piping design of micropump, and we embed a janus cylinder in the junction of the T-shaped pipe for the micropump design. We offer different voltage to the inlet of the pipe and carry out the

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  • NOVEL DESIGN OF A PASSIVE MICROFLUIDIC MIXER FOR

    Here we propose a new design of a passive microfluidic mixer that utilizes the theories of chaotic advection to enhance mixing. The micro-channels for the mixer have dimensions with width ranging from 10 µm to 40 µm, depth 40 µm, and a total length of 280 µm. First the designs are simulated using CFD-ACE+ for computational analysis.

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  • Microfluidics: A general overview of microfluidics - Elveflow

    Microfluidics is both the science which studies the behaviour of fluids through micro-channels, and the technology of manufacturing microminiaturized devices containing chambers and tunnels through which fluids flow or are confined. Microfluidics deal with very small volumes of fluids, down to femtoliters (fL) which is a quadrillionth of a liter. Fluids behave very differently on the

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  • LIBRARIES

    Although the dynamics of microfluidic mixing remains an active area of research, many numerical and experimental studies have investigated the governing factors that contribute to mixing [1-8], which provide helpful principles upon which to base an initial micromixer design. Micromixers divide into two basic groups: active and passive mixers.

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