Abstract:
The static and
dynamic characteristics of underwater plasma arc, arc shape and
heating features to the workpieces, are studied. It shows that
underwater plasma arc has higher energy rate, higher rates of
heating and cooling. Furthermore, it reduces the pollutions of
noise, arc light, dust and ozone; strengthens the cooling of
nozzle, thus it is advantageous to develop various new
technologies of underwater material processing. The static
characteristic is rising. The dynamic characteristic is of
quasi-cyclic fluctuations whose mechanisms and solving methods
are pointed out.
Key words:
Underwater Plasma Arc Characteristics
* This project is supported by National Natural Science Foundation of
China. Manuscript received on May 15, 1995
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