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a numerical research of herringbone passive mixer at low

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A Numerical Research of Herringbone Passive Mixer at

The time-scale and performance of mixing process are usually characterized by mixing quality, which has been remarkably improved due to the introduction of chaos theory into passive micro mixers. In this paper, we focus on the research of mixing phenomenon at extremely low Reynold number (Re) regime in a chaotic herringbone mixer.

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A Numerical Research of Herringbone Passive Mixer at

2017-10-31  In our previous experimental work, we conduct passive mixing a herringbone mixer at extremely low flow rate. Passive mixing has been developed efficiently in both pressure driven flow and electroosmotic flow. It was observed that with the same total flow rate, passive mixing driven in electroosmotic flow shows a better mixing performance.

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A Numerical Research of Herringbone Passive Mixer at

micromachines Article A Numerical Research of Herringbone Passive Mixer at Low Reynold Number Regime Dongyang Wang 1 ID, Dechun Ba 1, Kun Liu 1,* ID,

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Shape optimization of a micromixer with staggered ...

A Numerical Research of Herringbone Passive Mixer at Low Reynold Number Regime. Article. Full-text available ... The numerical validation of the mixing model was performed and reported in the ...

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Editorial for the Special Issue on Passive Micromixers ...

2018-5-21  A total of 10 original research papers, which cover important aspects of micromixing technology, are published in the special issue. The important areas being focused upon are the numerical and experimental analyses of flow and mixing in different micromixers [1,2,3,4,5], optimization [6,7,8], and fabrication of micromixers .

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Analysis of Passive Mixing in a Serpentine Microchannel ...

Sample mixing is difficult in microfluidic devices because of laminar flow. Micromixers are designed to ensure the optimal use of miniaturized devices. The present study aims to

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Geometric effects on fluid mixing in passive grooved ...

The effects of geometric parameters on the mixing performance of a staggered herringbone mixer (SHM) with patterned grooves are numerically investigated. Combining use of the software package CFD-ACE+ and the Taguchi method provides a powerful and systematic approach for research on microfluidics. A

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Convex Grooves in Staggered Herringbone Mixer Improve ...

2016-11-4  The liquid streams in a microchannel are hardly mixed to form laminar flow, and the mixing issue is well described by a low Reynolds number scheme. The staggered herringbone mixer (SHM) using repeated patterns of grooves in the microchannel have been proved to be an efficient passive micro-mixer. However, only a negative pattern of the staggered herringbone mixer has been used so

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Passive Microfluidic device for Sub Millisecond Mixing ...

Since Stroock et al. first proposed a chaotic mixer with herringbone structure [18], passive micro mixer with herringbone pattern has become the most popular design concept due to its simple setup ...

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A Numerical Research of Herringbone Passive Mixer at

A Numerical Research of Herringbone Passive Mixer at Low Reynold Number Regime By Dongyang Wang, Dechun Ba, Kun Liu, Ming Hao, Yang Gao, Zhiyong Wu and Qi Mei Cite

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Thorough computational analysis of the staggered ...

A Numerical Research of Herringbone Passive Mixer at Low Reynold Number Regime. ... and the mixing performance was investigated through a numerical analysis applied with the passive scalar method ...

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Shape optimization of a micromixer with staggered ...

A Numerical Research of Herringbone Passive Mixer at Low Reynold Number Regime. Article. Full-text available ... The numerical validation of the mixing model was performed and reported in the ...

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A millisecond passive micromixer with low flow rate, low ...

2021-10-11  Stoock et al. show that with a classic herringbone Y mixer under similar conditions (Pe ~ 10 5, v ~ 0.1 m/s), the mixing distance obtained by experiments gives ~ 1.5 cm, while the estimated mixing ...

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Geometric effects on fluid mixing in passive grooved ...

The effects of geometric parameters on the mixing performance of a staggered herringbone mixer (SHM) with patterned grooves are numerically investigated. Combining use of the software package CFD-ACE+ and the Taguchi method provides a powerful and systematic approach for research on microfluidics. A

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Parameters of the Staggered Herringbone Mixer (SHM): (a ...

Parameters of the Staggered Herringbone Mixer (SHM): (a) width (W) and height (H) of the channel, depth (h) and width of the herringbones (a), and the schematic structure of the overall ...

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Mixing performance analysis of the novel passive ...

2021-10-1  Mixing performance is significantly improved at a low Reynolds number with the proposed mixer. Several research investigated the mixing performance of the non-planar passive micromixers. Lin et al. used mixing quality and pressure drop to evaluate micromixers with various types for a wide range of Reynolds numbers: 8–160. The results revealed ...

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Passive mixers in microfluidic systems: A review ...

2016-3-15  Wong et al. conducted a numerical investigation into the low-Reynolds number mixing behavior in a mixing channel with dimensions of 185 × 40 × 40 μm 3 (length × width × depth) and two static mixing elements (SMEs) with a size of 10 × 10 μm 2. The results showed that in the absence of SMEs to disrupt the laminar flow, i.e., mixing took ...

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Design of passive mixers utilizing microfluidic self ...

Design of passive mixers utilizing microfluidic self-circulation in the mixing chamber Yung-Chiang Chung,a Yuh-Lih Hsu,b Chun-Ping Jen,c Ming-Chang Lud and Yu-Cheng Lin*c a Electronics Research Service Organization, Industrial Technology Research Institute, Chutung, Hsinchu, Taiwan, R.O.C b Department of Life Science, National Tsing Hua University, Hsinchu, Taiwan, R.O.C

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Improvement in mixing efficiency of microfluidic passive ...

The mixing unit area was functionalized by microstructures, whose shapes and layouts were designed in the simulations to improve the mixing efficiency of the chips. It is known that a micro wall array is a promising tool for mixing in a microfluidic passive mixer device.

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A Numerical Research of Herringbone Passive Mixer at

A Numerical Research of Herringbone Passive Mixer at Low Reynold Number Regime By Dongyang Wang, Dechun Ba, Kun Liu, Ming Hao, Yang Gao, Zhiyong Wu and Qi Mei Cite

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A millisecond passive micromixer with low flow rate, low ...

2021-10-11  Stoock et al. show that with a classic herringbone Y mixer under similar conditions (Pe ~ 10 5, v ~ 0.1 m/s), the mixing distance obtained by experiments gives ~ 1.5 cm, while the estimated mixing ...

View More

Passive mixers in microfluidic systems: A review ...

2016-3-15  Wong et al. conducted a numerical investigation into the low-Reynolds number mixing behavior in a mixing channel with dimensions of 185 × 40 × 40 μm 3 (length × width × depth) and two static mixing elements (SMEs) with a size of 10 × 10 μm 2. The results showed that in the absence of SMEs to disrupt the laminar flow, i.e., mixing took ...

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Numerical optimization of passive chaotic micromixers

2016-5-18  Numerical optimization of passive chaotic micromixers Aniruddha Sarkar1; 2, ... how mixing is still possible even at low Reynolds number by repeated stretching and folding of uid elements. If properly applied, this mechanism causes the interfacial ... gered herringbone mixer (SHM) shown in Fig. 1 is the rst chaotic micromixer that can be found ...

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Design of passive mixers utilizing microfluidic self ...

The numerical results revealed that the mixing efficiency of the mixer with self-circulation was 1.7 to 2 times higher than that of the straight channel without a mixing chamber at Re = 150. When Re was as low as 50, the mixing efficiency of the mixer with self-circulation in the mixing chamber was improved approximately 30% higher than that in ...

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Mixing performance analysis of the novel passive ...

2021-10-1  Mixing performance is significantly improved at a low Reynolds number with the proposed mixer. Several research investigated the mixing performance of the non-planar passive micromixers. Lin et al. used mixing quality and pressure drop to evaluate micromixers with various types for a wide range of Reynolds numbers: 8–160. The results revealed ...

View More

Convex Grooves in Staggered Herringbone Mixer

2021-5-18  The liquid streams in a microchannel are hardly mixed to form laminar flow, and the mixing issue is well described by a low Reynolds number scheme. The staggered herringbone mixer (SHM) using repeated patterns of grooves in the microchannel have been proved to be an efficient passive micro-mixer. However, only a negative pattern of the staggered

View More

Design of passive mixers utilizing microfluidic self ...

Design of passive mixers utilizing microfluidic self-circulation in the mixing chamber Yung-Chiang Chung,a Yuh-Lih Hsu,b Chun-Ping Jen,c Ming-Chang Lud and Yu-Cheng Lin*c a Electronics Research Service Organization, Industrial Technology Research Institute, Chutung, Hsinchu, Taiwan, R.O.C b Department of Life Science, National Tsing Hua University, Hsinchu, Taiwan, R.O.C

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(PDF) A numerical study on the flow and mixing in a ...

A number of research works have been reported re- macroscale due to the turbulence, the mixing at a microscale garding both active and passive mixing in the literature, and at low Reynolds number, Re (less than 100), is a big challenge both of them have advantages and disadvantages in them- for researchers due to the dominating molecular diffusion.

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Improvement in mixing efficiency of microfluidic passive ...

The mixing unit area was functionalized by microstructures, whose shapes and layouts were designed in the simulations to improve the mixing efficiency of the chips. It is known that a micro wall array is a promising tool for mixing in a microfluidic passive mixer device.

View More

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