The freely recovering arc in a constant-pressure flow

Abstract
Experiments have been performed which show that the electrical conductance decay of an arc in uniform axial flow may be related to that of a corresponding wall-stabilized arc. This relationship leads to the possibility of evolving a time-dependent integral method to give a simplified description of transient-arc behaviour in uniform flow. The experiments were performed on atmospheric-pressure-nitrogen arc columns sustained by currents in the range 20-40 A and subjected to flow velocities up to 25 m s−1.

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