Diffusion-Dominated Pinch-Off of Ultralow Surface Tension Fluids

Autor: Lo, Jack Hau Yung, Liu, Yuan, Mak, Sze Yi, Xu, Zhuo, Chao, Youchuang, Li, Kaye Jiale, Shum, Ho Cheung, Xu, Lei
Rok vydání: 2022
Předmět:
Zdroj: Phys. Rev. Lett. 123, 134501, 2019
Druh dokumentu: Working Paper
DOI: 10.1103/PhysRevLett.123.134501
Popis: We study the breakup of a liquid thread inside another liquid at different surface tensions. In general, the pinch-off of a liquid thread is governed by the dynamics of fluid flow. However, when the interfacial tension is ultralow (2 to 3 orders lower than normal liquids), we find that the pinch-off dynamics can be governed by bulk diffusion. By studying the velocity and the profile of the pinch-off, we explain why the diffusion-dominated pinch-off takes over the conventional breakup at ultralow surface tensions.
Comment: 7 pages, 5 figures. Published version
Databáze: arXiv