We will consider surface tension as the only driving mechanism.
The current concern is with two main aspects, namely surface tension and post-impact phenomena.
In both cases, there was premature foaming, lowered surface tension and elevated rhamnolipid levels.
We outline the theory for the former, in the case where surface tension effects at the moving boundary are ignored.
The relative surface tension is m = 0.5 and therefore /6 = 0.083.
This solution is analysed in the limit of small surface tension.
Five separate readings of surface tension were taken during each experiment and an average value obtained.
We have already noted the marked effect, shown in figures 4, 10, and 15, of differing viscosities in the absence of surface tension.
