Bubbling flow in reactors

[alexchandel]

A common situation involves a vertical liquid-phase reactor / tower, where gas bubbles are evolving (or being consumed) throughout the tower at some exogenous rate "rate(height, T, P, x̄ )" and ascending at a different rate from the liquid's flowrate (possibly passing through mixing trays), to form a controlled gas pocket of variable volume at the top of the tower. This may be (but is not necessarily) a fluidized bed reactor.

While fluids has some two-phase functions, it lacks functions for the prediction of bubble diameters, evolution of bubble diameters, & ascension rates. Some solved problems for vertical and horizontal two-phase flow would be welcome as well.

[CalebBell]

Hi Alex, Of course the functions you propose would be welcome in fluids. I am a little farmilar with the correlations but it is not presently on my development agenda. A fair deal of code for dealing wtih particle size distributions and single particles in motion already exist, in fluids.drag and fluids.particle_size_distribution. If you have need for these functions, would you like to take a stab at adding some functions? Sincerely, Caleb

[alexchandel]

I can attempt some next time the need arises.