Effect of injection angle, density ratio, and viscosity on droplet formation in a microfluidic T-junction
Jamalabadi, Mohammad Yaghoub Abdollahzadeh and DaqiqShirazi, Mohammadreza and Koşar, Ali and Shadloo, Mostafa Safdari (2017) Effect of injection angle, density ratio, and viscosity on droplet formation in a microfluidic T-junction. Theoretical and Applied Mechanics Letters . ISSN 2095-0349 Published Online First http://dx.doi.org/10.1016/j.taml.2017.06.002
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Official URL: http://dx.doi.org/10.1016/j.taml.2017.06.002
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.
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