IN SITU MEASUREMENTS OF DROP SIZE DISTRIBUTION IN TWO-PHASE FLOW - A NEW METHOD FOR ELECTRICALLY CONDUCTING LIQUIDS
A new method has been developed to
measure in situ size distribution of drops
in gas-liquid dispersoids in multiphase
flow. The principle of the method is
simple: a drop of electrically conductive
liquid contacting two needle point electrodes
in a DC circuit produces a pulse of
current which can be totalized in an
electronic counter. By varying the needle
point spacing an average count rate curve
is obtained from which the drop size distribution
can be calculated. Analysis of
neither pulse size nor duraction is required.
Typical results for an air-water
system in dispersed flow are presented.