Numerical and experimental investigations of mixing length in square wave serpentine micromixer with obstacles

Mondal, Bappa; Patowari, Promod Kumar; Pati, Sukumar

doi:10.1007/s00542-024-05629-8

Microsyst Technol

2024

DOI: 10.1007/s00542-024-05629-8

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Numerical and experimental investigations of mixing length in square wave serpentine micromixer with obstacles

Bappa Mondal,

Promod Kumar Patowari,

Sukumar Pati

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Cited by 3 publications

References 43 publications

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Enhanced mixing performance of electrokinetic flows in a cross-junction microchannel with sawtooth structures

Gong,

Chen,

Yuan

et al. 2024

Chemical Engineering and Processing - Process Intensification

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Enhanced mixing performance of electrokinetic flows in a cross-junction microchannel with sawtooth structures

Gong,

Chen,

Yuan

et al. 2024

Chemical Engineering and Processing - Process Intensification

View full text Add to dashboard Cite

A comprehensive review on the fundamental principles, innovative designs, and multidisciplinary applications of micromixers

Han,

Li,

Zhang

2024

Physics of Fluids

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This paper comprehensively reviews the fundamental principles, innovative designs, and multidisciplinary applications of micromixers. First, it introduces the fundamental principles of fluid mixing in micromixers, including passive and active mixing mechanisms, and the flow characteristics of fluids at the microscale. Subsequently, it focuses on the innovative design of passive micromixers, covering a variety of designs, such as obstacle structures, curved serpentine structures, groove structures, separation and recombination structures, topology optimization structures, and baffle structures, and analyzes the effects of different structures on mixing efficiency and pressure drop. In addition, it also studies the innovative design of active micromixers, including magnetic field assistance, electric field assistance, surface acoustic wave assistance, and thermal effect assistance, and analyzes the effects of different driving modes on mixing efficiency. Finally, it outlines the multidisciplinary applications of micromixers in the fields of biomedicine, chemical analysis, environmental monitoring and control, and new energy. This review aims to provide a comprehensive reference for the research and application of micromixers and promote their application in more fields.

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Micromixing strategies for efficient mixing processes: a comprehensive review

Soltani,

Persoons,

Alimohammadi

2024

J. Micromech. Microeng.

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The demand for rapid, high-quality, and controlled mixing at the microscale has led to the development of various types of micromixers. Micromixers are commonly categorised as active, or passive based on whether they utilise external energy to enhance mixing. Passive micromixers utilise a complex geometry to enhance the diffusion coefficient at lower Reynolds numbers and induce chaotic advection at higher Reynolds numbers for effectively mixing fluids without external energy. Active micromixers, on the other hand, achieve precise, fast, and controllable mixing by employing external energy sources such as pressure, electric, magnetic, or acoustic fields. Some active methods such as magnetic field-driven micromixers need fluids with specific properties. Others, such as acoustic field-driven micromixers apply to various types of fluids. Bubbles can be used as membranes or stirrers in microfluidic devices for both passive and active micromixers. They are easy to use, compatible with microfluidic systems, low cost, and effective. Improvements in manufacturing methods, notably, 3D printing have emerged as promising methods for the development of new micromixer designs. In this paper, a wide range of micromixer types is reviewed and the main mechanism for enhanced mixing is investigated. This study aims to provide a valuable guide for researchers looking to propose innovative designs. Furthermore, it is shown that combining different methods can lead to more effective micromixers, promising further advancements in microscale mixing technology.

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Numerical and experimental investigations of mixing length in square wave serpentine micromixer with obstacles

Cited by 3 publications

References 43 publications

Enhanced mixing performance of electrokinetic flows in a cross-junction microchannel with sawtooth structures

Enhanced mixing performance of electrokinetic flows in a cross-junction microchannel with sawtooth structures

A comprehensive review on the fundamental principles, innovative designs, and multidisciplinary applications of micromixers

Micromixing strategies for efficient mixing processes: a comprehensive review

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