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Vortex Dynamics
Vortex Dynamics
Washing with vortices
Washing with vortices
Using vortex rings to create novel methods of cleaning various entities from substrate
Paper link [editor's suggestion]:
https://journals.aps.org/prfluids/abstract/10.1103/PhysRevFluids.8.044701
Physics magazine: https://physics.aps.org/articles/v16/61
Interaction of Vortex Ring with Perforated walls at different included angles
Interaction of Vortex Ring with Perforated walls at different included angles
The vorticity dynamics of a vortex ring interacting with perforated wall of varying porosity and included angle is explored experimentally.
A single vortex splits in two that finds its application in flow manipulation and control.
Paper link: https://doi.org/10.1103/PhysRevFluids.10.034703
Vortex dynamics inside a soap bubble
Vortex dynamics inside a soap bubble
The fluid dynamics of an inflating soap bubble is explored using experimental techniques.
The scaling laws for the bubble growth and the toroidal vortex are deduced.
Paper link: [Editor's suggestion]
Vortex dynamics in micro droplets
Vortex dynamics in micro droplets
The vortex dynamics at micro droplet pinch off is studied.
Several scaling laws are deduced.
Relevant to mixing and single cell encapsulation studies.
Paper under review!
Evaporation dynamics of a surrogate respiratory droplet in a vortical environment
Evaporation dynamics of a surrogate respiratory droplet in a vortical environment
Acoustically levitated surrogate respiratory droplets are made to interact with vortex rings of different strength along its translation axis
The evaporation dynamics of the droplets under vortical environment is studied.
Paper link: 10.1016/j.jcis.2022.05.061
Dynamic Stall phenomenon in H-type vertical axis wind turbines
Dynamic Stall phenomenon in H-type vertical axis wind turbines
An extensive study was carried out to capture the unsteady dynamic stall phenomenon in H-type vertical axis wind turbines using various turbulence models.
The effect of changing the thickness ratio of symmetric airfoil on the dynamic stall phenomenon was investigated.
Paper link: 10.1115/1.4046730
Paper link: 10.1016/j.enconman.2020.113024
Flow characterization around bluff bodies
Flow characterization around bluff bodies
Flow around bluff bodies of various shaped are characterised numerically.
Paper link: 10.1115/1.4051310
Bio-Microfludics
Bio-Microfludics
Droplets Microfluidics to fight AMR
Droplets Microfluidics to fight AMR
Antimicrobial resistance (AMR) is a critical challenge where previously effective antibiotics are becoming less effective against bacterial species. This decline in effectiveness is driven by factors such as the overuse of antibiotics and the natural evolution of bacteria.
Here, the droplet Microfluidics technology will be leveraged to develop rapid drug testing chip to fight the pressing issue of AMR.
Effect of fluidic stresses on the bacterial physiology
Effect of fluidic stresses on the bacterial physiology
Eskape pathogens are made to flow through the microchannels mimicking human capillaries at various flow rates and under different shear stress levels.
The morphology, viability, virulence and survivability of the stressed bacteria are measured.
Paper links: https://doi.org/10.1039/D3SM01521A
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