Effect of injection angle, density ratio, and viscosity on droplet formation in a microfluidic T-junction

Abstract : The T-junction microchannel device makes available a sharp edge to form micro-droplets from bio-material solutions. This article investigates the effects of injection angle, flow rate ratio, density ratio, viscosity ratio, contact angle, and slip length in the process of formation of uniform droplets in microfluidic T-junctions. The governing equations were solved by the commercial software. The results show that contact angle, slip length, and injection angles near the perpendicular and parallel conditions have an increasing effect on the diameter of generated droplets, while flow rate, density and viscosity ratios, and other injection angles had a decreasing effect on the diameter. © 2017 The Author(s)
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https://hal.archives-ouvertes.fr/hal-02127859
Contributor : Mostafa Safdari Shadloo <>
Submitted on : Monday, May 13, 2019 - 5:38:58 PM
Last modification on : Tuesday, May 14, 2019 - 1:33:06 AM

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M.Y.A. Jamalabadi, M. Daqiqshirazi, Ali Kosar, M.S. Shadloo. Effect of injection angle, density ratio, and viscosity on droplet formation in a microfluidic T-junction. Theoretical and Applied Mechanics Letters, 2017, 7 (4), pp.243-251. ⟨10.1016/j.taml.2017.06.002⟩. ⟨hal-02127859⟩

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