Academic literature on the topic 'Elasto-inertial Focusing'

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Journal articles on the topic "Elasto-inertial Focusing"

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Banerjee, I., M. E. Rosti, T. Kumar, L. Brandt, and A. Russom. "Analogue tuning of particle focusing in elasto-inertial flow." Meccanica 56, no. 7 (March 23, 2021): 1739–49. http://dx.doi.org/10.1007/s11012-021-01329-z.

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AbstractWe report a unique tuneable analogue trend in particle focusing in the laminar and weak viscoelastic regime of elasto-inertial flows. We observe experimentally that particles in circular cross-section microchannels can be tuned to any focusing bandwidths that lie between the “Segre-Silberberg annulus” and the centre of a circular microcapillary. We use direct numerical simulations to investigate this phenomenon and to understand how minute amounts of elasticity affect the focussing of particles at increasing flow rates. An Immersed Boundary Method is used to account for the presence of the particles and a FENE-P model is used to simulate the presence of polymers in a Non-Newtonian fluid. The numerical simulations study the dynamics and stability of finite size particles and are further used to analyse the particle behaviour at Reynolds numbers higher than what is allowed by the experimental setup. In particular, we are able to report the entire migration trajectories of the particles as they reach their final focussing positions and extend our predictions to other geometries such as the square cross section. We believe complex effects originate due to a combination of inertia and elasticity in the weakly viscoelastic regime, where neither inertia nor elasticity are able to mask each other’s effect completely, leading to a number of intermediate focusing positions. The present study provides a fundamental new understanding of particle focusing in weakly elastic and strongly inertial flows, whose findings can be exploited for potentially multiple microfluidics-based biological sorting applications.
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Ahn, Sung Won, Sung Sik Lee, Seong Jae Lee, and Ju Min Kim. "Microfluidic particle separator utilizing sheathless elasto-inertial focusing." Chemical Engineering Science 126 (April 2015): 237–43. http://dx.doi.org/10.1016/j.ces.2014.12.019.

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Song, Hyeong Yong, Seung Hak Lee, Reza Salehiyan, and Kyu Hyun. "Relationship between particle focusing and dimensionless numbers in elasto-inertial focusing." Rheologica Acta 55, no. 11-12 (September 19, 2016): 889–900. http://dx.doi.org/10.1007/s00397-016-0962-3.

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Xiang, Nan, Xinjie Zhang, Qing Dai, Jie Cheng, Ke Chen, and Zhonghua Ni. "Fundamentals of elasto-inertial particle focusing in curved microfluidic channels." Lab on a Chip 16, no. 14 (2016): 2626–35. http://dx.doi.org/10.1039/c6lc00376a.

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Zhou, Yinning, Zhichao Ma, and Ye Ai. "Dynamically tunable elasto-inertial particle focusing and sorting in microfluidics." Lab on a Chip 20, no. 3 (2020): 568–81. http://dx.doi.org/10.1039/c9lc01071h.

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We explore the use of non-Newtonian viscoelastic fluids to achieve size-tunable elasto-inertial particle focusing and sorting in a microfluidic device, and realize the controllable tunability among three separation thresholds.
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Kim, Min Jung, Jae Ryoun Youn, and Young Seok Song. "Focusing manipulation of microalgae in a microfluidic device using self-produced macromolecules." Lab on a Chip 18, no. 7 (2018): 1017–25. http://dx.doi.org/10.1039/c7lc01324h.

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Kim, Min Jung, Doo Jin Lee, Jae Ryoun Youn, and Young Seok Song. "Two step label free particle separation in a microfluidic system using elasto-inertial focusing and magnetophoresis." RSC Advances 6, no. 38 (2016): 32090–97. http://dx.doi.org/10.1039/c6ra03146c.

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Xiang, Nan, Qing Dai, and Zhonghua Ni. "Multi-train elasto-inertial particle focusing in straight microfluidic channels." Applied Physics Letters 109, no. 13 (September 26, 2016): 134101. http://dx.doi.org/10.1063/1.4963294.

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Xiang, Nan, Zhonghua Ni, and Hong Yi. "Concentration-controlled particle focusing in spiral elasto-inertial microfluidic devices." ELECTROPHORESIS 39, no. 2 (November 14, 2017): 417–24. http://dx.doi.org/10.1002/elps.201700150.

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Jang, Jaekyeong, Uihwan Kim, Taehoon Kim, and Younghak Cho. "Elasto-Inertial Particle Focusing in Microchannel with T-Shaped Cross-Section." Applied Sciences 12, no. 20 (October 19, 2022): 10552. http://dx.doi.org/10.3390/app122010552.

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Recently, particle manipulation in non-Newtonian fluids has attracted increasing attention because of a good particle focusing toward the mid-plane of a channel. In this research, we proposed a simple and robust fabrication method to make a microchannel with various T-shaped cross-sections for particle focusing and separation in a viscoelastic solution. SU-8-based soft lithography was used to form three different types of microchannels with T-shaped cross-sections, which enabled self-alignment and plasma bonding between two PDMS molds. The effects of the flow rate and geometric shape of the cross-sections on particle focusing were evaluated in straight microchannels with T-shaped cross-sections. Moreover, by taking images from the top and side part of the channels, it was possible to confirm the position of the particles three-dimensionally. The effects of the corner angle of the channel and the aspect ratio of the height to width of the T shape on the elasto-inertial focusing phenomenon were evaluated and compared with each other using numerical simulation. Simulation results for the particle focusing agreed well with the experimental results both in qualitatively and quantitatively. Furthermore, the numerical study showed a potential implication for particle separation depending on its size when the aspect ratio of the T-shaped microchannel and the flow rate were appropriately leveraged.
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Conference papers on the topic "Elasto-inertial Focusing"

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Etcheverry, S., A. Faridi, H. Ramachandraiah, W. Margulis, F. Laurell, and A. Russom. "Optofludics in microstructured fibers combining particle elasto-inertial focusing and fluorescence." In CLEO: Science and Innovations. Washington, D.C.: OSA, 2016. http://dx.doi.org/10.1364/cleo_si.2016.sw4g.6.

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Xiang, Nan, and Zhonghua Ni. "Controllable Elasto-inertial Focusing of Particles in Spiral Microfluidics." In The 7th International Multidisciplinary Conference on Optofluidics 2017. Basel, Switzerland: MDPI, 2017. http://dx.doi.org/10.3390/optofluidics2017-04144.

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Harish, A. V., T. Kumar, S. Etcheverry, A. Russom, W. Margulis, and F. Laurell. "Optofluidic Fiber Component to Separate Micron-Sized Particles Using Elasto-Inertial Focusing." In CLEO: Applications and Technology. Washington, D.C.: OSA, 2020. http://dx.doi.org/10.1364/cleo_at.2020.jtu2c.10.

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Yuan, D., J. Zhang, S. Yan, C. Pan, G. Alici, N. T. Nguyen, and W. H. Li. "Three-dimensional particle focusing under viscoelastic flow based on dean-flow-coupled elasto-inertial effects." In Seventh International Symposium on Precision Mechanical Measurements, edited by Liandong Yu. SPIE, 2016. http://dx.doi.org/10.1117/12.2211265.

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