Dynamics and maximum spreading of droplet impact on a stationary droplet on the surface

Y Li, X Wu, Y Lin, Z Hu - International Journal of Mechanical Sciences, 2024 - Elsevier
In numerous applications related to droplet impact, impacting droplets often interact with
solid surfaces with adhesive droplets rather than dry surfaces, but the former is significantly …

Pinch-off dynamics in unequal-size droplets head-on collision on a wetting surface: Experiments and direct numerical simulations

S Ray, Y Han, S Cheng - Physics of Fluids, 2023 - pubs.aip.org
There is a growing interest in the optimization of spray systems to minimize reflexive
separation and enhance droplet coalescence, which has the potential to greatly benefit …

Numerical study of head-on collision of two equal-sized compound droplets

NX Ho, TV Vu - Physics of Fluids, 2023 - pubs.aip.org
Although on-axis collisions between compound droplets are involved in numerous
technological applications, no detailed investigation of such collisions is yet available. To …

Droplet coalescence kinetics: Thermodynamic non-equilibrium effects and entropy production mechanism

G Sun, Y Gan, A Xu, Q Shi - Physics of Fluids, 2024 - pubs.aip.org
The thermodynamic non-equilibrium (TNE) effects and the relationships between various
TNE effects and entropy production rate, morphology, kinematics, and dynamics during two …

Analytical and numerical investigation of successive metallic alloy droplets impacting onto a surface: Regime maps and scaling laws based on energy analysis

M Sharifi - Colloids and Surfaces A: Physicochemical and …, 2025 - Elsevier
This study investigates the impact dynamics of two molten Al7075 droplets under varying
Weber numbers (1≤ We≤ 60) and diameter ratios (0.5≤ D r≤ 2) through numerical …

Understanding under-liquid drop spreading using dynamic contact angle modeling

D Debnath, S Misra, P Kumar, S Mitra - Physics of Fluids, 2023 - pubs.aip.org
We present numerical modeling and experimental data to investigate droplet spreading
dynamics on a substrate submerged in another liquid. Dynamic contact angle equations are …

New insights into head-on bouncing of unequal-size droplets on a wetting surface

S Ray, Y Han, Z Yue, H Guo, CYH Chao… - Journal of Fluid …, 2024 - cambridge.org
The impact of a liquid droplet with another droplet or onto a solid surface are important basic
processes that occur in many applications such as agricultural sprays and inkjet printing …

Experimental study and modeling of water film thickness in aero-engine under air–water mist flow

L Wang, J Huo, J Tang, X Shi - Physics of Fluids, 2024 - pubs.aip.org
The water film not only plays an important role in the mass, momentum, and energy transfer
between the air–water-surface but also determines the on-wing washing effect of the aero …

Numerical Simulation of the Dynamic Behavior Exhibited by Charged Droplets Colliding with Liquid Film

J Wang, D Jia, M Yang, Y Zhang, D Qu, Z Lv - Coatings, 2024 - mdpi.com
Since droplet collision with walls has become a research hotspot, scholars have conducted
a large number of studies on the dynamic behavior of electrically neutral droplets colliding …