activity
20172022
most citedFlickering of buoyant diffusion flames: a vortex dynamics revisit

80 citations · 208 across the 12 of their papers we have counts for

collaborators

12 papers

physics.flu-dyn2022★ 15 cited

Vortex Interaction in Triple Flickering Buoyant Diffusion Flames

Tao Yang, Yicheng Chi, Peng Zhang

Triple flickering buoyant diffusion flames as a nonlinear dynamical system of coupled oscillators were computationally investigated. The four distinct dynamical modes (in-phase, de…

physics.flu-dyn2022★ 17 cited

Dynamical Mode Recognition of Triple Flickering Buoyant Diffusion Flames: from Physical Space to Phase Space and to Wasserstein Space

Yicheng Chi, Tao Yang, Peng Zhang

Triple flickering buoyant diffusion flames in an isosceles triangle arrangement were experimentally studied as a nonlinear dynamical system of coupled oscillators. The objective of…

physics.flu-dyn2021★ 2 cited

Spin-affected reflexive and stretching separation of off-center droplet collision

Chengming He, Lianjie Yue, Peng Zhang

Recent studies have demonstrated the significant roles of droplet self-spin motion in affecting the head-on collision of binary droplets. In this paper, we present a computational…

physics.flu-dyn2021★ 33 cited

On Liquid Viscosity Effects on Droplet Splash and Receding Breakup on a Smooth Solid Surface at Atmospheric Pressure

Lei Yang, Zhonghong Li, Tao Yang +2

Experimental and modelling study is presented for the effect of a wide range of liquid viscosities on the droplet impact on a smooth solid surface at atmospheric pressure. A non-mo…

physics.flu-dyn2020

Non-axisymmetric flow characteristics in Head-on Collision of Spinning Droplets

Chengming He, Peng Zhang

Effects of spinning motion on the bouncing and coalescence between a spinning droplet and a non-spinning droplet undergoing the head-on collision were numerically studied by using…

physics.comp-ph2020

Approximate Reconstruction of Torsional Potential Energy Surface based on Voronoi Tessellation

Chengming He, Yicheng Chi, Peng Zhang

Torsional modes within a complex molecule containing various functional groups are often strongly coupled so that the harmonic approximation and one-dimensional torsional treatment…

physics.flu-dyn2019

Unified Viscous-to-inertial Scaling in Liquid Droplet Coalescence

Xi Xia, Chengming He, Peng Zhang

This letter presents a theory on the coalescence of two spherical liquid droplets that are initially stationary. The evolution of the radius of a liquid neck formed upon coalescenc…

physics.flu-dyn2018

Viscous Dissipation, Helicity and Enstrophy of Bouncing Droplets undergoing Off-center Collision

Chengming He, Xi Xia, Peng Zhang

The off-center collision of binary bouncing droplets of equal size was studied numerically by a volume-of-fluid (VOF) method with two marker functions, which has been validated by…

physics.flu-dyn2018★ 80 cited

Flickering of buoyant diffusion flames: a vortex dynamics revisit

Xi Xia, Peng Zhang

Previous studies have found that the flickering of buoyant diffusion flames is associated with the periodic shedding of a toroidal vortex, which is formed under gravity-induced she…

physics.flu-dyn2018★ 36 cited

Vortex-dynamical Interpretation of Anti-phase and In-phase Flickering of Dual Buoyant Diffusion Flames

Tao Yang, Xi Xia, Peng Zhang

Anti-phase and in-phase flickering modes of dual buoyant diffusion flames were numerically investigated and theoretically analyzed in this study. Inspired by the flickering mechani…

physics.flu-dyn2018★ 1 cited

Scalings in Coalescence of Liquid Droplets

Xi Xia, Chengming He, Peng Zhang

This letter presents a scaling theory of the coalescence of two viscous spherical droplets. An initial value problem was formulated and analytically solved for the evolution of the…

physics.flu-dyn2017★ 24 cited

Vortex-Ring-Induced Internal Mixing Upon the Coalescence of Initially Stationary Droplets

Xi Xia, Chengming He, Dehai Yu +2

This study employs an improved volume of fluid method and adaptive mesh refinement algorithm to numerically investigate the internal jet-like mixing upon the coalescence of two ini…