Universal model for the maximum spreading factor of impacting nanodroplets: From hydrophilic to hydrophobic surfaces

YB Wang, YF Wang, SR Gao, YR Yang, XD Wang… - Langmuir, 2020 - ACS Publications
Using molecular dynamics (MD) simulations, we investigate impact behaviors of water
nanodroplets on hydrophilic to hydrophobic surfaces with static contact angles ranging from …

[HTML][HTML] The role of secondary species emission in vacuum facility effects for electrospray thrusters

NM Uchizono, AL Collins, C Marrese-Reading… - Journal of Applied …, 2021 - pubs.aip.org
Theoretical, analytical, and experimental investigations of electrospray operation in vacuum
facilities show that secondary species emission (SSE) plays a significant role in the behavior …

Scaling laws of the maximum spreading factor for impact of nanodroplets on solid surfaces

YF Wang, YB Wang, X He, BX Zhang… - Journal of Fluid …, 2022 - cambridge.org
This study investigates the dynamics of low-viscosity nanodroplets impacting surfaces with
static contact angles from θ= 73° to 180° via molecular dynamics (MD) simulations. Two …

Contact time of a bouncing nanodroplet

FF Xie, SH Lv, YR Yang, XD Wang - The Journal of Physical …, 2020 - ACS Publications
We study the bouncing dynamics of nanodroplets on superhydrophobic surfaces. We show
that there are three velocity regimes with different scaling laws of the contact time, τ …

Spreading and retraction kinetics for impact of nanodroplets on hydrophobic surfaces

YF Wang, YB Wang, FF Xie, JY Liu, SL Wang… - Physics of …, 2020 - pubs.aip.org
Impact dynamics of nanodroplets has recently gained extensive attention because of its
potential applications in nanoscale inkjet printing, nanodroplet spray cooling, and …

Droplet breakup and rebound during impact on small cylindrical superhydrophobic targets

S Ding, X Liu, X Wu, X Zhang - Physics of Fluids, 2020 - pubs.aip.org
The impact behavior of a water droplet on small cylindrical superhydrophobic targets is
studied numerically and theoretically. A numerical model using the volume of fluid method is …

Phase diagram for nanodroplet impact on solid surfaces

Q Ma, YF Wang, YB Wang, X He, SF Zheng… - Physics of …, 2021 - pubs.aip.org
The impact dynamics of water nanodroplets on flat solid surfaces was studied by molecular
dynamics simulations over a wide range of Weber numbers (We) and surface wettability (θ …

The Cassie-to-Wenzel wetting transition of water films on textured surfaces with different topologies

X He, BX Zhang, SL Wang, YF Wang, YR Yang… - Physics of …, 2021 - pubs.aip.org
The Cassie–Wenzel (C–W) wetting transition has been extensively investigated; however,
the wetting transition of water films on textured surfaces with different topologies, together …

Maximum spreading and energy analysis of ellipsoidal impact droplets

X Zhang, B Ji, X Liu, S Ding, X Wu, J Min - Physics of Fluids, 2021 - pubs.aip.org
Droplet impacts on solid surfaces are ubiquitous in nature and industry. Before impact, the
droplet shape may be affected by gravity, shear flow, and the electric and magnetic fields …

Collision regimes and dynamic behaviors of a viscous droplet impacting on a spherical particle at high temperatures

P Geng, J Ma, X Chen, D Liu, S Pan, C Liang - Physics of Fluids, 2023 - pubs.aip.org
Understanding droplet–particle collision behaviors is essential for the pyrohydrolysis
process of pickling liquor, where the pickling liquor is sprayed and dried into particles. This …