| | Type of electrode | Model | Ref. |
| 1 | | | [44] |
| 2 | | | [1, 4, 6, 8, 11, 12, 45, 54, 58, 59] |
| 3 | | | Solid Tube [30, 58, 60ā62] Mesh Tube [4, 63, 64] | 4 | | | As 3 above |
| 5 | | | [12, 18, 26, 58, 65, 66] |
| 6 | | | [16, 48, 50, 53, 67] |
| 7 | | | [45] |
| 8 | | | [45] | 9 | | | [17, 49, 68, 69] |
| 10 | | | [3] |
| 11 | | | [7, 70] |
| 12 | | | [16] | 13 | | | [71] |
| 14 | | | [23] |
| 15 | | Not possible to model as only 2D software is available | [13] |
| 16 | | | [71, 72] |
| 17 | | | [10, 18, 60, 65, 66, 73, 74] | 18 | | This cannot easily be modelled as the field is created by the arc between the electrodes as well as from the electrodes themselves. The voltage is also AC, and while this can be modelled, it is not easily viewed. | [71] |
|
|