Work

Large impact velocities suppress the splashing of micron-sized droplets

Year: 2021

Type: article

Abstract: An investigation shows that, counterintuitively, the splash of drops impacting with velocities of a few tens of meters per second is suppressed because the aerodynamic lift force that would cause the liquid film to separate from the substrate and to break into much finer droplets is inhibited. This occurs as a consequence of the fact that the thickness of the lamella becomes similar to the mean-free path of gas molecules.

Source: Physical Review Fluids

DOI: 10.1103/physrevfluids.6.023605

Authors: Masashi Usawa, Yuta Fujita, Yoshiyuki Tagawa, Guillaume Riboux, José Manuel Gordillo

Institutions: Tokyo University of Agriculture and Technology, Universidad de Sevilla

Language: English

Topic: Fluid Dynamics and Heat Transfer

Subfield: Computational Mechanics

Field: Engineering

Domain: Physical Sciences

Open Access status: hybrid

Funders: Tokyo University of Agriculture and Technology, Ministerio de Asuntos Económicos y Transformación Digital, Gobierno de España, Japan Society for the Promotion of Science

Awards: Active Control of Viscoelastic Microjets and Their Deployment in Next-Generation Manufacturing Processes, G277533325, Fundamental study for medical and industrial applications of vesicles containing microbubbles, G8866841617