The effect of thermocapillarity on the dynamics of an exterior coating film flow down a fibre subject to an axial temperature gradient

• Published in: International journal of heat and mass transfer Vol. 123; pp. 718 - 727
• Main Authors: Liu, Rong, Ding, Zijing, Chen, Xue
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.08.2018; Elsevier BV
• Subjects: Coating effects; Coating flow; Dynamic stability; Evolution; Flow stability; Gravitation; Non-Newtonian fluids; Nonlinear analysis; Reynolds number; Stability analysis; Temperature gradients; Thermocapillarity; Thin films; Traveling waves; Travelling wave solutions; Viscosity; Thermocapillarity; Travelling wave solutions; Coating flow

•A long-wave model is derived to describe film flowing down a fibre with thermocapillary effect.•Nonlinear dynamics is investigated by numerical simulations.•Coherent solutions are tracked.•Thermocapillarity plays adverse roles in different flow regimes. The dynamics of a viscous film flowing down a...