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Updated: May 18, 2026
06:42
Magnetically Induced Rotating Rayleigh-Taylor Instability
Published on: March 3, 2017
Instabilities in a horizontal liquid layer in cocurrent gas flow with an evaporating interface.
1Key Laboratory of Microgravity (National Microgravity Laboratory), Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China. liurong@imech.ac.cn
Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|September 26, 2012
Summary
Evaporation and interfacial shear significantly impact the stability of two-layer systems with phase change. These factors influence both Rayleigh and Marangoni instabilities in liquid-vapor systems.
Area of Science:
- Fluid dynamics
- Thermodynamics
- Phase transitions
Background:
- Considers a two-layer system: a horizontal liquid layer in contact with its own vapor.
- The liquid layer is confined by a rigid lower boundary, allowing phase change at the interface.
- Vapor phase flow is driven by a constant streamwise pressure gradient.
Purpose of the Study:
- Investigate the stability of a two-layer liquid-vapor system with phase change.
- Analyze the effects of buoyancy, thermocapillarity, evaporation, and vapor phase dynamics.
- Determine the influence of evaporation and interfacial shear on Rayleigh and Marangoni instabilities.
Main Methods:
- Employs a full linear stability analysis.
- Utilizes a Chebyshev spectral method for calculations.
- Examines the interplay between various physical phenomena.
Main Results:
- Both evaporation and interfacial shear play crucial roles in system stability.
- These factors significantly affect Rayleigh instability.
- Marangoni instability is also notably influenced by evaporation and shear.
Conclusions:
- Evaporation and interfacial shear are key determinants of stability in such systems.
- Understanding these effects is vital for predicting system behavior.
- The study highlights the complex interactions governing phase change dynamics.
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