113 citations · 407 across the 9 of their papers we have counts for
9 papers
Numerical Insights on Controlled Droplet Formation in a Microfluidic Flow-Focusing Device
Somasekhara Goud Sontti, Arnab Atta
In this article, we have developed a computational model to determine the droplet formation regime and its transition in a square microfluidic flow-focusing device that eventually…
Formation characteristics of Taylor bubbles in power-law liquids flowing through a microfluidic co-flow device
Somasekhara Goud Sontti, Arnab Atta
Formation and dynamics of Taylor bubble in power-law liquids flowing through a circular co-flow microchannel are numerically investigated using coupled level set and volume-of-flui…
CFD study on Taylor bubble characteristics in Carreau-Yasuda shear thinning liquids
Somasekhara Goud Sontti, Arnab Atta
In the present study, Taylor bubble formation in two-phase gas-non-Newtonian Carreau liquid flowing through a confined co-flow microchannel is investigated. Systematic analysis are…
Understanding the Influence of Rheological Properties of Shear-Thinning Liquids on Segmented Flow in Microchannel using CLSVOF Based CFD Model
Somasekhara Goud Sontti, Pankaj G. Pallewar, Amritendu Bhuson Ghosh +1
In this study, two phase gas-shear-thinning liquid flow in a square microchannel is numerically investigated using the coupled level set and volume of fluid (CLSVOF) methods. A sys…
Regulation of droplet size and flow regime by geometrical confinement in a microfluidic flow-focusing device
Somasekhara Goud Sontti, Arnab Atta
We have developed a coupled level set and volume of fluid-based computational fluid dynamics model to analyze the droplet formation mechanism in a square flow-focusing microchannel…
CFD analysis of microfluidic droplet formation in non-Newtonian liquid
Somasekhara Goud Sontti, Arnab Atta
A three-dimensional, volume-of-fluid (VOF) based CFD model is presented to investigate droplet formation in a microfluidic T-junction. Genesis of Newtonian droplets in non-Newtonia…
CFD Analysis of Taylor Bubble in a Co-Flow Microchannel with Newtonian and Non-Newtonian Liquid
Somasekhara Goud Sontti, Arnab Atta
We present a CFD based model to understand the Taylor bubble behavior in Newtonian and non-Newtonian liquids flowing through a confined co-flow microchannel. Systematic investigati…
Nanoextraction based on surface nanodroplets for chemical preconcentration and determination
Hongyan Wu, Chiranjeevi Kanike, Arnab Atta +1
Liquid-liquid extraction based on surface nanodroplets, namely nanoextraction, can continuously extract and enrich target analytes from the flow of a sample solution. This sample p…
Asphaltene precipitation under controlled mixing conditions in a microchamber
Jia Meng, Chiranjeevi Kanike, Somasekhara Goud Sontti +3
Solvent exchange is a controlled process for dilution-induced phase separation. This work utilizes the solvent exchange method to reveal the effect of the mixing dynamics on the as…