Functional Dependence of the V-I Characterstic of an Arc on the Thermal Parameters |
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Abstract: | Numerical and analytical results of a self-consistent analysis of the voltage-current (V-I) characteristic of an electrical discharge are presented. The dependences of the critical current density for the onset of the arc and the peak voltage drop on the exponent n characterizing the dependence of conductivity on temperature are examined. They are found empirically to be proportional to (n - 3/2)-(n+1)/2(n-1) and (n - 3/2)-1/2, respectively. |
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