Dripping, jetting and tip streaming

JM Montanero, AM Gañán-Calvo - Reports on Progress in …, 2020 - iopscience.iop.org
Dripping, jetting and tip streaming have been studied up to a certain point separately by both
fluid mechanics and microfluidics communities, the former focusing on fundamental aspects …

静电纺丝装置及其力学机理研究进展1)

尹静, 高璐璐, 徐岚 - 力学与实践, 2021 - lxsj.cstam.org.cn
纳米纤维具有高比表面积, 在能源, 环境和航天等领域具有巨大应用前景. 静电纺丝是生产纳米
纤维最方便, 最直接和最经济的方法之一, 其力学机理的研究作为解决静电纺纳米纤维瓶颈问题 …

Electrospinning of polymer solutions: An analysis of instability in a thinning jet with solvent evaporation

D Deshawar, K Gupta, P Chokshi - Polymer, 2020 - Elsevier
The present study examines the stability of a thinning straight jet in electrospinning process.
The linear stability analysis is carried out to obtain the growth/decay rate of axisymmetric …

Theoretical analysis on electrohydrodynamic instability of a low viscous electrified jet

Z Wang, Q Dai, Q Kong, B Li, J Tian, K Yu, Y Huo… - Acta Astronautica, 2023 - Elsevier
In present work, a dispersion equation describing electrohydrodynamic (EHD) instability of a
low viscous electrified jet was derived, where the Naiver-Stokes equations combined with …

Stability analysis of miscible viscous fingering in bingham and carreau fluids

P Jangir, R Mohan, P Chokshi - Transport in Porous Media, 2022 - Springer
A linear stability analysis is carried out to examine viscous fingering in miscible flow
displacement involving two non-Newtonian fluids. One of the fluids, either displacing or …

滴状模式下液桥形成及断裂的电流体动力学特性研究

霍元平, 王军锋, 左子文, 刘海龙 - 力学学报, 2019 - lxxb.cstam.org.cn
对电场作用下微通道荷电液滴脱落过程中液桥形成及断裂的显微演变特征进行了可视化实验
研究. 借助时空分辨率较高的高速摄像技术精确捕捉了电场作用下液桥形成及断裂的界面演化 …

Linear stability analysis of miscible displacement by nanofluid with concentration-dependent diffusivity

P Jangir, R Mohan, P Chokshi - Chemical Engineering Science, 2021 - Elsevier
The present study performs linear stability analysis to examine viscous fingering in miscible
displacement when displacing fluid is laden with nanoparticles. The diffusion of …

Stability analysis of a thinning electrified jet under nonisothermal conditions

D Deshawar, P Chokshi - Physical Review E, 2021 - APS
The linear stability of a jet propagating under an electric field is analyzed under
nonisothermal conditions. The electrified jet of a Newtonian fluid is modeled as a slender …

Analysis of axisymmetric instability in polymer melt electrospinning jet

D Deshawar, P Chokshi - Journal of Non-Newtonian Fluid Mechanics, 2018 - Elsevier
The linear stability analysis is carried out for the straight jet of a polymer melt in an
electrospinning process. The stability of axisymmetric disturbances is examined in order to …

Whipping in gaseous flow focusing

S Blanco-Trejo, MA Herrada, AM Gañán-Calvo… - International Journal of …, 2020 - Elsevier
We study both theoretically and experimentally the whipping instability in axisymmetric
gaseous flow focusing realized in a converging-diverging nozzle. The lateral oscillation of …