Gliding Arc Plasma Generator Based on Laval Nozzle and Its Characteristics
Bibliographic record
Abstract
In order to study the physical characteristics of a new type of arc discharge plasma generated in a Laval nozzle,we studied its voltage-ampere(V-A) characteristics and movement under various flow rates of working gas(air).In order to analyze the developing process of the arc discharge plasma,we applied high-speed photographic apparatus to track and record the physical cycles of gliding arc breaking down—lengthening—the largest arc lengthening—extinguishing.The results show that frequency of mutations of the electrode voltage waveform becomes much higher with the increasing flow rate of working gas.Waveform of the current is generally stable which is similar to sine waveform,except that current mutations increase with the increasing flow rate in the breakdown condition.The maximum value of sine waveform is 0.4 A.The average voltage in half a cycle is from 629 to1347 V,and its changing trend is like the power capacity.It can be seen from the analysis that changing of flow rate influences the V-A characteristics severely,especially the voltage characteristics,and this can also be seen from the Voltage-Ampere obtained by the high-speed photographic instrument.
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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 | 0.000 |
| 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) | 0.001 | 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".