D. Chaitanya Kumar Rao
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View article: Evaporation of water-in-oil microemulsion droplet
Evaporation of water-in-oil microemulsion droplet Open
Emulsion fuels have the potential to reduce both particulate matter and NOx emissions and can potentially improve the efficiency of combustion engines. However, their limited stability remains a critical barrier to practical use as an alte…
View article: Insights into bubble droplet interactions in evaporating polymeric droplets
Insights into bubble droplet interactions in evaporating polymeric droplets Open
Polymer droplets subjected to a heated environment have significance in several fields ranging from spray drying and powder formation to surface coating. In the present work, we investigate the evaporation of a high viscoelastic modulus aq…
View article: Author Correction: Controlling bubble generation by femtosecond laser-induced filamentation
Author Correction: Controlling bubble generation by femtosecond laser-induced filamentation Open
In Figure 7, the insets in panels (c) and (d) were omitted.Consequently, the Figure 7 legend was incomplete.The legend now reads: "Figure 7. Size distribution of bubbles as a function of laser pulse energy for (a) water and (b) ethanol.Siz…
View article: Modes of atomization in biofuel droplets induced by a focused laser pulse
Modes of atomization in biofuel droplets induced by a focused laser pulse Open
Single droplet fragmentation of different liquids is essential for the fundamental understanding and augmenting of the atomization process involved in several industrial processes. Most importantly, there is a need to increase our understa…
View article: Laser pulse-droplet interaction enables the deformation and fragmentation of droplet array
Laser pulse-droplet interaction enables the deformation and fragmentation of droplet array Open
Droplet-droplet interactions is ubiquitous in various applications ranging from medical diagnostics to enhancing and optimizing liquid jet propulsion. We employ an experimental technique where the laser pulse interacts with a micron-sized …
View article: Dissolution dynamics of a vertically confined sessile droplet
Dissolution dynamics of a vertically confined sessile droplet Open
We experimentally investigate the dissolution of microscale sessile alcohol droplets in water under the influence of impermeable vertical confinement. The introduction of confinement suppresses the mass transport from the droplet to bulk m…
View article: Marangoni driven breakup mechanism of an evaporating emulsified droplet
Marangoni driven breakup mechanism of an evaporating emulsified droplet Open
Atomization of emulsified droplets is ubiquitous across a variety of application domains ranging from NextGen combustors to fabrication of biomedical implants. Atomization, however, involves interfacial processes coupled across multiple sp…
View article: Puffing and Micro-Explosion Behavior in Combustion of Butanol/Jet A-1 and Acetone-Butanol-Ethanol (A-B-E)/Jet A-1 Fuel Droplets
Puffing and Micro-Explosion Behavior in Combustion of Butanol/Jet A-1 and Acetone-Butanol-Ethanol (A-B-E)/Jet A-1 Fuel Droplets Open
The present investigation deals with the puffing and micro-explosion characteristics in the combustion of a single droplet comprising butanol/Jet A-1, acetone-butanol-ethanol (A-B-E)/Jet A-1 blends, and A-B-E. The onset of nucleation, grow…
View article: Cu–Co–O nano-catalysts as a burn rate modifier for composite solid propellants
Cu–Co–O nano-catalysts as a burn rate modifier for composite solid propellants Open
Nano-catalysts containing copper–cobalt oxides (Cu–Co–O) have been synthesized by the citric acid (CA) complexing method. Copper (II) nitrate and Cobalt (II) nitrate were employed in different molar ratios as the starting reactants to prep…