The Physics and Manipulation of Dean Vortices in Single- and Two-Phase Flow in Curved Microchannels: A Review [PDF]
Micromachines, 2023 Microchannels with curved geometries have been employed for many applications in microfluidic devices in the past decades. The Dean vortices generated in such geometries have been manipulated using different methods to enhance the performance of devices ...
Yeganeh Saffar +2 more
exaly +7 more sources
Numerical Investigation of Vortex-Induced Enhancement in the Mixing Characteristics of Double-Spiral and Serpentine Microchannels [PDF]
MicromachinesTo enhance passive mixing in microchannels, T-shaped double-spiral and serpentine microchannels with identical curvature radii were designed and numerically analyzed across a Reynolds number (Re) range of 1 to 300.
Litao Qin +4 more
doaj +2 more sources
Preparation of microbubbles with the generation of Dean vortices in a porous membrane
Chemical Engineering Science, 2022 Abstract A platform based on gas–liquid membrane dispersion with helical internals inserted is developed for microbubble generation. The effects of internals on microbubble size are investigated, including circular, helical, twisted, and polygonal geometries.
Bingqi Xie, Jisong Zhang
exaly +2 more sources
Suppressing Blood-Cell Migration Lag via Dean-Cycle Phase Regulation Enables High-Purity CTC Enrichment in an Inertial Microfluidic Array [PDF]
MicromachinesCirculating tumor cells (CTCs) are valuable liquid-biopsy biomarkers, yet their extreme rarity makes high-purity, high-throughput enrichment challenging.
Taihang Wu +5 more
doaj +2 more sources
Analysis of Erosive Wear in Pipe Elbows and Biomimetic Protection Strategies [PDF]
BiomimeticsErosive wear in pipe elbows subjected to liquid–solid two-phase flow is a major cause of material degradation and service failure in industrial piping systems.
Zhenjiang Wei +5 more
doaj +2 more sources
Effective dean vortex separation at reduced flow rates towards rare cell sorting [PDF]
Scientific ReportsThe study focuses on the design of a spiral microfluidic device, aiming to efficiently sort particle by size, at tailored flow rate for downstream processing.
Emma Dupont +9 more
doaj +2 more sources
Efficient Particle Manipulation Using Contraction–Expansion Microchannels Embedded with Hook-Shaped Arrays [PDF]
MicromachinesInertial microfluidics, as an efficient method for the manipulation of micro-/nanoparticles, has garnered significant attention due to its advantages of high throughput, structural simplicity, no need for external fields, and sheathless operation. Common
Di Huang, Yan Zhao, Chao Cao, Jiyun Zhao
doaj +2 more sources
Ethanol Production Using Zymomonas mobilis and In Situ Extraction in a Capillary Microreactor [PDF]
MicromachinesThe bacterium Zymomonas mobilis is investigated as a model organism for the cultivation and separation of ethanol as a product by in situ extraction in continuous flow microreactors.
Julia Surkamp +4 more
doaj +2 more sources
Comparison of Microfluidic Synthesis of Silver Nanoparticles in Flow and Drop Reactors at Low Dean Numbers [PDF]
MicromachinesThis study evaluates the performance of continuous flow and drop-based microfluidic devices for the synthesis of silver nanoparticles (AgNPs) under identical hydrodynamic and chemical conditions.
Konstantia Nathanael +2 more
doaj +2 more sources
An Open-Type Crossflow Microfluidic Chip for Deformable Droplet Separation Driven by a Centrifugal Field [PDF]
MicromachinesThis study presents an innovative wedge-shaped inlet weir-type microfluidic chip designed to address common issues of clogging and inefficiency in microfiltration processes.
Zekun Li +5 more
doaj +2 more sources