Figure 5.8: (+) and (line) plotted as functions of R.
In section 3.3 I showed that the visible particles in the soap film are unlikely to follow the fluid, so I will not try to relate the measurements to turbulence theory.
Figure 5.8 shows that
is roughly proportional to . This is different from the scaling relation
for Brownian motion, where . Using the
relations derived in section 1.2.3 we find
so the collected data are not completely random.
These data should not be interpreted as data for the velocity field.