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Integrated First Degree

B.E.(Biotechnology)
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Dr. Sayan Das

hyderabad Mechanical Engineering

Assistant Professor
Department of Mechanical Engineering

Fluid and Thermal Engineering, Droplet Microfluidics, Active particle dynamics, Complex fluids, Double Emulsions, Droplet Buckling
Birla Institute of Technology & Science,
Pilani Hyderabad Campus
Jawahar Nagar, Kapra Mandal
Dist.-Medchal-500 078
Telangana, India
sayan.das@hyderabad.bits-pilani.ac.in
+91 40 66303795
https://scholar.google.com/citations?user=vusTPNEAAAAJ&hl=en

Research activities

 

Interacting droplet pair suspended in a non-isothermal shear flow, Physics of Fluids 35, 042012 (2023)

The different patterns exhibited by droplet pair interacting in a shear flow field in the presence of a transverse temperature gradient applied across a micro-channel are shown here. Some of the patterns shown here include: sliding-over motion, follow-up motion, reversing motion and droplet coalescence. These patterns are seen to be strongly dependent on various parameters such as channel width, initial separation distance between the droplet, the strength of the imposed temperature gradient as compared to the imposed viscous pressure driven flow. 

Coexisting sliding states of active particles near top and bottom walls of a micro-channel, Langmuir 2020, 36, 25, 7133–7147.

Diffuso-phoretic active particles is seen to exhibit sliding states near the bottom wall of a micro-channel, but can the same particle also exhibit a sliding state near the top wall ? If the answer is yes, then under what parametric regime is this possible ?

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