Figure 10. Experimental results of DDSD in different height. (a)h = 265 mm. (b) h = 330 mm. (c) h = 395 mm. (d)h = 590 mm.
The experimental results were compared with the predicted results by the
DDSD model in our previous work 37 as shown in Figure
11. The comparing method was described in detail in that work. It was
found that the predicted results were within an error of ±25% when the
measured DIFT were introduced into the equation. It is shown that the
correlations for breakup frequency
and DDSD obtained under the conditions without mass transfer in our
previous work 37 can be directly applied to the
prediction of droplet behavior in mass transfer process after the DIFT
is determined. This also proves that to introduce a single parameter of
DIFT is sufficient to describe the droplet breakage under mass transfer
conditions in the PDDC, no other parameters are needed.