Electrical Current Generation by the Flow of Refrigerants

Charge generation rates have been measured for two halocarbons and their mixtures, having electrical conductivities ranging from 7.5 ×10
^-12
to 2 ×10
^-15
Ω
^-1
·cm
^-1
. These fluids were passed through a 1.55-mm diameter tube as a liquid and as a mist at high velocity at ambient temperatures. Due to the high vapor pressures of the materials, a closed system capable of operating at pressures up to 30 atmospheres was utilized.