Advances in droplet aerobreakup

S Sharma, NK Chandra, S Basu, A Kumar - The European Physical …, 2023 - Springer
Secondary atomization of a liquid droplet can be achieved by subjecting it to a high-speed
gas stream. This is referred as the aerodynamic breakup, and is encountered in various …

Experimental investigation of droplet breakup of oxide-forming liquid metals

T Hopfes, Z Wang, M Giglmaier, NA Adams - Physics of Fluids, 2021 - pubs.aip.org
This work investigates the breakup of liquid metal droplets experimentally using a shock
tube. Droplets of Field's metal melt are produced and their flow-induced deformation and …

Shock-induced atomisation of a liquid metal droplet

S Sharma, NK Chandra, A Kumar… - Journal of Fluid …, 2023 - cambridge.org
The present study uses Galinstan as a test fluid to investigate the shock-induced atomisation
of a liquid metal droplet in a high-Weber-number regime. Atomisation dynamics is examined …

Viscous-capillary thinning of molten metal ligament stimulated by surface oxidation

M Ren, H Yasuhara, Z Wang, C Inoue - … Journal of Heat and Mass Transfer, 2024 - Elsevier
For producing fine metal powders, the critical step is ligament dynamics of molten metal,
while the thinning and breakup processes subjected to the interfacial heat and mass transfer …

Sub-Newtonian coalescence in polymeric fluids

AS Rajput, SC Varma, A Kumar - Soft Matter, 2023 - pubs.rsc.org
We present a theoretical framework for capturing the coalescence of a pendant drop with a
sessile drop in polymeric fluids. The framework is based on the unification of various …

Droplet deformation during secondary breakup: role of liquid properties

S Joshi, TNC Anand - Experiments in Fluids, 2022 - Springer
Deformation until the beginning of disintegration (ie, the first rupture time) is the first stage of
a droplet's secondary breakup in a gas stream. Experiments were performed to examine the …

Experimental insights into the supersonic close-coupled atomization process employed for metal powder production

N Apell, C Tropea, IV Roisman, J Hussong - Powder Technology, 2024 - Elsevier
The growing demand for high-quality metal powders as the raw product for metal additive
manufacturing requires a better understanding of the physics involved in their production by …

Droplet breakup and size distribution in an airstream: Effect of inertia

SS Ade, PK Kirar, LD Chandrala, KC Sahu - Physical Review Fluids, 2024 - APS
We experimentally investigate the morphology and breakup of a droplet as it descends
freely from a height and encounters an airstream. The size distributions of the child droplets …

Numerical Simulation on Metallic Droplet Deformation and Breakup Concerning Particle Morphology and Hollow Particle Formation During Gas Atomization

W Peng, X LI, X ZHOU, Z CHEN, M WANG… - … of Nonferrous Metals …, 2024 - Elsevier
The deformation and breakup of metallic droplets during gas atomization were simulated
using a volume of fluid (VOF) approach that considered droplet cooling and solidification …

In-Space Additive Manufacturing Based on Metal Droplet Generation Using Drop-on-Demand Technique

V Korkut, H Yavuz - Journal of Materials Engineering and Performance, 2022 - Springer
Metal-based droplet deposition technique is a promising method for obtaining 3D circuits
and micro-sized conductive structures. Practically, direct part manufacturing can be …