Numerical Investigation of the Influence of Microchannel Geometry on the Droplet Generation Process

doi:10.47176/jafm.15.05.1126

Cited by 2 publications

(2 citation statements)

References 42 publications

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“…There was a flow of 0.01 to 1 µL/s 74) . There are numerous more processes that utilise microchannels to produce droplets and generate bubbles [337][338][339][340][341][342][343][344][345][346][347][348][349][350][351] . Chu and colleagues (2010) created bent rectangular tubes.…”

Section: Microchannels Used In Creation Of Bubbles and Dropletsmentioning

confidence: 99%

A Review on Microchannel Fabrication Methods and Applications in Large-Scale and Prospective Industries

Afzal¹,

Tayyaba²,

Ashraf³

et al. 2022

Evergreen

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Microchannels based on microelectromechanical systems (MEMS) have received a lot of interest in the microfluidics and biomedical fields over the past forty years. While their applications have been multifarious, a comprehensive literature review focusing on their design, type, and applications is not currently present in the literature. Researchers working on these elements of microchannels will gain targeted knowledge from the current review on microchannels. Due to its advanced properties, flexibility of mass, and small size, microdevice demand has been rising quickly, particularly in industrial applications. The classification of microchannels and their uses are the main focus of this work. These include but are not limited to molding, electroplating, lithography, lab-ona-chip, micromolding, micromachining, micromilling, laser ablation, lithography, microcontact printing (µcp), hot embossing, electrochemical micromachining (EMM), and etching. In addition, numerous hybrid techniques for microchannel manufacturing have been reported. So, in essence, this review offers a range of advancements in microchannel manufacturing. The review also attempts to present a qualitative analysis describing the various methodologies associated with microchannels in terms of their design, shape, and flow regimes for applications such as pressure drop and transfer of heat prediction. Additionally, depending on the precise uses needed, a number of materials, including but not limited to ceramics, silicon, metals, and polymers, are utilized in the manufacture of microchannels. On metallic substrates, polymers such as silicon, glass, and polymeric materials are used. The biomedical industry uses polymeric and glass substrates instead of silicon substrates, which are used for mechanical engineering and electronic applications. In addition to outlining methods for choosing the best kind of microchannel, this paper also suggests important directions for the future.

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Section: Microchannels Used In Creation Of Bubbles and Dropletsmentioning

confidence: 99%

A Review on Microchannel Fabrication Methods and Applications in Large-Scale and Prospective Industries

Afzal¹,

Tayyaba²,

Ashraf³

et al. 2022

Evergreen

View full text Add to dashboard Cite

show abstract

“…A micro tube bank model is a typical geometry in thermal structures (Xu et al 2005;Shah et al 2022;Siddiqui et al 2022). A micro tube bank model is composed of multiple micro cylinders that alter the direction of fluid flow and create vortices when the fluid passes through (Paramanantham et al 2022). As a classical physical model for scholars to study the micro heat sink, it is important to study its internal bypass flow characteristics further to help improve the heat transfer performance.…”

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confidence: 99%

Flow Characteristics and Vortex Structure of Flow Across Micro Cylinders by Micro-PIV Measurement and CFD Simulation

2023

JAFM

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The micro tube bank model is a commonly used structure in microelectro mechanical cooling systems. Flow across a micro tube bank is a basic benchmark for analyzing flow resistance and heat transfer capability. In this paper, the flow around a micro tube bank model was studied both experimentally and numerically. Micro-Particle Image Velocimetry technology was used to measure the flow field at different inlet flow rates. The laminar flow model, S-A model and standard k-ε model were used to calculate the flow field inside the micro tube bank model. By comparing the results from the three numerical models with the experimental results, there is a certain gap between them can be noted. However, it was found that the standard k-ε model is better than laminar model and S-A model in the comparison between numerical results and experimental results. In conclusion, the standard k-ε model is more suitable for the numerical calculation of the flow field around a micro scale tube bank model.

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Numerical Investigation of the Influence of Microchannel Geometry on the Droplet Generation Process

Cited by 2 publications

References 42 publications

A Review on Microchannel Fabrication Methods and Applications in Large-Scale and Prospective Industries

A Review on Microchannel Fabrication Methods and Applications in Large-Scale and Prospective Industries

Flow Characteristics and Vortex Structure of Flow Across Micro Cylinders by Micro-PIV Measurement and CFD Simulation

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