Dynamics of dry-band arcing on silicone rubber in the inclined plane test under AC, +DC and −DC voltages
Bibliographic record
Abstract
In this paper a parametric study of the dry-band arcing characteristics in the inclined plane tracking and erosion test is conducted under AC and DC voltages. The standard inclined plane testing apparatus is modified to promote stable and intense dry-band arcing, thereby analyzing the characteristics of the eroding dry-band arcing. The behavior of the liquid contaminant, which may bias the dry-band arcing current under equal AC and DC voltages, is investigated for different flow rates to determine suitable testing conditions. The highest leakage current magnitude is obtained under +DC followed by AC and -DC voltages, and reduced resistivity for the dry-band arcing column is shown under the +DC and AC as compared to the -DC voltages. The reduction in resistivity is speculated to be the result of metallic ions from electrode corrosion under +DC as compared to -DC, with less significant difference between +DC and AC. In addition, the inception behavior of the discharge influencing the length of the dry-band arc is found to be dependent on the voltage type. Reduced dry-band arcing length is measured for DC as compared to AC, with further reduction shown under +DC as compared to -DC. Thermal analysis is accordingly conducted, showing higher hot spot temperatures with dry-band arcing of a shorter length.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".