65 citations · 501 across the 48 of their papers we have counts for
9 papers · 1 filter
Magnetoelastic effect in impact dynamics of nonNewtonian ferrofluid droplets
Gudlavalleti V V S Vara Prasad, Purbarun Dhar, Devranjan Samanta
In this article, we propose, with the aid of detailed experiments and scaling analysis, the existence of magneto-elastic effects in the impact hydrodynamics of non-Newtonian ferrof…
Thermal Response of Dielectric Nanoparticle Infused Tissue Phantoms during Microwave Assisted Hyperthermia
Dhiraj Kumar, Purbarun Dhar, Anup Paul
Hyperthermia has been in use for many years; as a potential alternative modality for cancer treatment. In this paper, an experimental investigation of microwave assisted thermal he…
Electrohydrodynamics of dielectric droplet collision with variant wettability surfaces
Nilamani Sahoo, Devranjan Samanta, Purbarun Dhar
In this article, we report experimental and semi analytical findings to elucidate the electrohydrodynamics EHD of a dielectric liquid droplet impact on superhydrophobic SH and hydr…
Advection kinetics induced self assembly of colloidal nanoflakes into microscale floral structures
Purbarun Dhar
This article explores the governing role of the internal hydrodynamics and advective transport within sessile colloidal droplets on the self assembly of nanostructures to form flor…
Surface declination governed asymmetric sessile droplet evaporation
Purbarun Dhar, Raghavendra Kumar Dwivedi, A R Harikrishnan
The article reports droplet evaporation kinetics on inclined substrates. Comprehensive experimental and theoretical analyses of the droplet evaporation behaviour for different subs…
Control and modulation of droplet vaporization rates via competing ferro- and electro-hydrodynamics
Purbarun Dhar, Vivek Jaiswal, Hanumant Chate +1
Modification and control over the vaporization kinetics of microfluidic droplets may have strong utilitarian implications in several scientific and technological applications. The…
Suppressed Leidenfrost phenomenon during impact of elastic fluid droplets
Purbarun Dhar, Soumya Ranjan Mishra, Ajay Gairola +1
The present article highlights the role of non-Newtonian (elastic) effects on the droplet impact phenomenology at temperatures considerably higher than the boiling point, especiall…
Competing advection decelerates droplet evaporation on heated surfaces
Abhishek Kaushal, Vivek Jaiswal, Vishwajeet Mehandia +1
In this article we report the atypical and anomalous evaporation kinetics of saline sessile droplets on surfaces with elevated temperatures. In a previous we showed that saline ses…
Hydrodynamics of magnetic fluid droplets on superhydrophobic surfaces
Nilamani Sahoo, Gargi Khurana, Devranjan Samanta +1
The study reports the aspects of postimpact hydrodynamics of ferrofluid droplets on superhydrophobic SH surfaces in the presence of a horizontal magnetic field. A wide gamut of dyn…