Effect of Gas/Liquid Shearing on the Viscoelastic Instability of a Planar Sheet

Author:

Tong Ming-Xi1,Yang Li-Jun2,Fu Qing-Fei1,Mo Chao-Jie1

Affiliation:

1. School of Astronautics, Beihang University, Beijing 100191, China e-mail:

2. Professor School of Astronautics, Beihang University, Beijing 100191, China e-mail:

Abstract

The Kelvin–Helmholtz instability of viscoelastic flows was examined through a linear instability analysis. Due of the position change of viscoelastic effects, different unstable responses of liquid elastic effects and medium viscous effects were fully investigated. Finally, a comparison of gas/liquid shearing and inviscid aerodynamic effects on sheet instability is conducted.

Publisher

ASME International

Subject

Mechanical Engineering

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