نتایج جستجو برای: micromixing

تعداد نتایج: 160  

Journal: :Applied sciences 2022

Using a process-enhanced micro-impinging stream reactor (MISR) and co-precipitation route, NiCo2S4 NiCo2S4/rGO electrode materials were successfully prepared, respectively. Owing to its excellent micromixing performance, the MISR-prepared composites had smaller size less agglomeration than same prepared in traditional stirred (STR). The specific capacity of was as high 198.0 mAh g−1 under curre...

2015
Peter J. Vach Peter Fratzl Stefan Klumpp Damien Faivre

Studying propulsion mechanisms in low Reynolds number fluid has implications for many fields, ranging from the biology of motile microorganisms and the physics of active matter to micromixing in catalysis and micro- and nanorobotics. The propulsion of magnetic micropropellers can be characterized by a dimensionless speed, which solely depends on the propeller geometry for a given axis of rotati...

2015
Brian D. Iverson Suresh Garimella Suresh V. Garimella

Micropumping has emerged as a critical research area for many electronics and biological applications. A significant driving force underlying this research has been the integration of pumping mechanisms in micro total analysis systems and other multi-functional analysis techniques. Uses in electronics packaging and micromixing and microdosing systems have also capitalized on novel pumping conce...

Journal: :Environmental Science and Pollution Research 2021

We report on an elaboration of new composite photocatalysts (TiO2–P25@ n-TiO2@HAP) based grafted size-selected 5-nm titanium-oxo-alkoxo nanoparticles P25-TiO2 and HAP obtained by co-precipitation salts. The oxo-TiO2 particles were prepared in a sol–gel reactor with rapid reagents micromixing. photocatalytic test ethylene degradation, continuous-flow fixed-bed reactor, showed increase the yield ...

Journal: :Energies 2023

This paper uses numerical simulation to investigate the effects of diluents on flame structure and NO generation H2/CO micromixing flames. The results show that under same thermal power condition, reduce temperature decrease combustion reaction rate propagation velocity. In addition, downsize force it downstream. With an increase in diluent fraction, these trends are amplified. production decre...

Journal: :Processes 2022

This work aimed to test and optimise reactive Planar Laser-Induced Fluorescence (PLIF) methods for the visualisation of micromixing regions in chemical reactors using standard PLIF Particle Image Velocimetry (PIV) equipment with laser source 512 nm. Two were tested: (i) an acid–base reaction fluorescein as reaction-sensitive tracer (ii) Fenton’s reaction, Rhodamine B tracer. Both test-reactions...

Journal: :Lab on a chip 2007
Frédéric Bottausci Caroline Cardonne Carl Meinhart Igor Mezić

We report for the first time a laminar high-performance continuous micromixing process of two fluids over a length of 200 microns in under 10 milliseconds achieved by an optimization of the control parameters amplitude and frequency in the mixing device denoted as 'Shear Superposition Micromixer'. We improve mixing time by approximately 5 orders of magnitude over diffusion-limited mixing. The d...

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