Comparison between Internal Instabilities

    Rayleigh-Benard instability, Benard-Marangoni instability and Taylor-Couette instability are internal instabilities with notion of threshold. The following table shows the differences between each instability and the different parameters for each one.

Rayleigh-Benard Instability
Benard-Marangoni Instability
Taylor-Couette Instability
Bracking Viscous Force  



Driving Force


Characteristic time of the perturbation  


Characteristic parameter


Critical value