The software Ansoft Maxwell was used to establish the finite element model to simulate electromagnetic energy distribution in two commonly seen processing chambers.One cylindrical processing chamber was inserted with one needle electrode as anode

namely coaxial electrodes

and the other one was wrapped by spirals

both chambers were applied high-frequency electromagnetic pulses.According to the simulation data

electromagnetic energy in the processing chamber with coaxial electrodes was much stronger than that of spiral wrapped process chamber.Meanwhile

a mini-circulating water system was built and water quality experiments were conducted.Analysis results from experimental data showed that the values of electric conductivity

particle size distribution and also microscopic structures of crystal morphology among two groups and one control group were obviously different.Two kinds of processing chambers under high-frequency pulsed field had anti-scaling effects

and the processing chamber with coaxial electrodes was much better.