Table 2.
Experimental results corresponding to the rod-to-plane electrode geometry. CEV versus environmental pressure and supply frequency.
| Pressure | Test | Sensor | 50 Hz | 200 Hz | 400 Hz | 600 Hz | 800 Hz | 1000 Hz |
|---|---|---|---|---|---|---|---|---|
| 100 kPa | Test 1 | Camera | 3761.5 | 3817.1 | 3784.0 | 3792.0 | 3659.9 | 3579.1 |
| Leakage current | 3723.2 | 3788.1 | 3754.5 | 3792.0 | 3659.9 | 3579.1 | ||
| Test 2 | Camera | 3802.3 | 3781.0 | 3826.3 | 3899.8 | 3798.5 | 3732.3 | |
| Leakage current | 3774.4 | 3781.0 | 3826.3 | 3835.9 | 3798.5 | 3732.3 | ||
| Test 3 | Camera | 3800.7 | 3819.6 | 3807.1 | 3795.8 | 3843.2 | 3779.7 | |
| Leakage current | 3763.9 | 3800.5 | 3786.8 | 3774.7 | 3843.2 | 3779.7 | ||
| Average | 3788.2 | 3805.9 | 3805.8 | 3829.2 | 3767.2 | 3697.0 | ||
| 80 kPa | Test 1 | Camera | 3382.9 | 3414.8 | 3410.6 | 3441.2 | 3341.8 | 3146.4 |
| Leakage current | 3326.5 | 3377.3 | 3410.6 | 3430.5 | 3341.8 | 3146.4 | ||
| Test 2 | Camera | 3367.0 | 3398.1 | 3412.6 | 3424.6 | 3358.8 | 3272.4 | |
| Leakage current | 3348.2 | 3379.1 | 3373.0 | 3404.0 | 3358.8 | 3272.4 | ||
| Test 3 | Camera | 3385.4 | 3377.7 | 3412.9 | 3415.1 | 3358.1 | 3271.9 | |
| Leakage current | 3329.1 | 3359.3 | 3393.4 | 3404.2 | 3358.1 | 3271.9 | ||
| Average | 3378.4 | 3396.9 | 3412.1 | 3427.0 | 3352.9 | 3230.2 | ||
| 60 kPa | Test 1 | Camera | 2757.9 | 2774.2 | 2761.2 | 2763.5 | 2791.7 | 2689.5 |
| Leakage current | 2719.8 | 2736.0 | 2742.6 | 2742.2 | 2781.3 | 2688.1 | ||
| Test 2 | Camera | 2798.5 | 2842.9 | 2861.9 | 2868.7 | 2873.7 | 2813.1 | |
| Leakage current | 2778.4 | 2823.8 | 2842.3 | 2837.2 | 2851.0 | 2813.1 | ||
| Test 3 | Camera | 2853.7 | 2918.9 | 2901.8 | 2909.8 | 2916.8 | 2837.4 | |
| Leakage current | 2815.5 | 2851.7 | 2862.4 | 2889.6 | 2916.8 | 2837.4 | ||
| Average | 2803.4 | 2845.3 | 2841.7 | 2847.3 | 2860.7 | 2780.0 | ||
| 40 kPa | Test 1 | Camera | 2255.6 | 2267.0 | 2270.0 | 2270.7 | 2274.6 | 2254.3 |
| Leakage current | 2198.5 | 2248.1 | 2270.0 | 2249.5 | 2274.6 | 2254.3 | ||
| Test 2 | Camera | 2266.1 | 2315.4 | 2330.7 | 2333.9 | 2366.7 | 2354.2 | |
| Leakage current | 2227.7 | 2296.3 | 2330.7 | 2333.9 | 2366.7 | 2354.2 | ||
| Test 3 | Camera | 2246.4 | 2316.4 | 2321.5 | 2313.3 | 2322.5 | 2308.0 | |
| Leakage current | 2246.4 | 2297.3 | 2321.5 | 2313.3 | 2322.5 | 2308.0 | ||
| Average | 2256.0 | 2299.6 | 2307.4 | 2306.0 | 2321.2 | 2305.5 | ||
| 20 kPa | Test 1 | Camera | 1468.8 | 1520.2 | 1522.6 | 1529.0 | 1526.7 | 1529.8 |
| Leakage current | 1449.3 | 1520.2 | 1522.6 | 1529.0 | 1526.7 | 1529.8 | ||
| Test 2 | Camera | 1374.7 | 1443.1 | 1444.3 | 1426.4 | 1439.3 | 1458.0 | |
| Leakage current | 1355.2 | 1443.1 | 1444.3 | 1426.4 | 1439.3 | 1458.0 | ||
| Test 3 | Camera | 1450.2 | 1474.0 | 1463.6 | 1488.5 | 1552.0 | 1629.1 | |
| Leakage current | 1450.2 | 1474.0 | 1463.6 | 1488.5 | 1552.0 | 1629.1 | ||
| Average | 1431.2 | 1479.1 | 1476.8 | 1481.3 | 1506.0 | 1539.0 |
Electrode diameter = 1.5 mm, tip angle = 90°, electrode tip to plane distance = 8 mm.