Abstract
In a recent paper a model was presented which described the main features of streamer propagation in SF6. In this communication the sensitivity of the model to changes in the input parameters is discussed. Each parameter is varied within the limited range expected from experimental determinations. It is predicted that streamers can only propagate within a limited range of streamer channel diameters, and that the charge in the streamer head varies considerably with channel diameter. Results are also presented which predict that the streamer velocity is only weakly dependent on pressure in the range 50–500 kPa.

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