Electrical characteristics of pulsed arc electrohydraulic discharge electrostatic precipitator dust rapping/electrode cleaning system
Bibliographic record
Abstract
An experimental investigation has been conducted to study the performance of the pulsed arc electrohydraulic discharged (PAED) dust rapping and electrode cleaning system for electrostatic precipitators (ESP). The PAED dust rapping system consists of hollow-rod electrodes inside the ESP and a water tank with flow meter on the outside of the ESP. Water flows through the upper hollow electrode by gravity via flow control valve and bridging gap between hollow and rod electrodes. Pulsed high voltage of a few kV is imposed on these electrodes when water bridges to ignite the PAED. The PAED generated pressure wave will be spraying water and cleaning electrodes as well as rapping dusts. The fundamental electrical and pressure characteristics of the PAED system were measured for pulse frequencies from 1 to 7 Hz, water flow rate 1.2 to 1.4 g/min. and charging voltage from 2 to 6 kV. The results show that the discharge frequency decreases with increasing charging voltage and main gas flow rate. The results also show that only trace amounts of CO and NO/sub x/ were generated during the PAED, and these decrease with increasing charging voltage and gas flow rate or frequency. The maximum pulse current and power increase with increasing charging voltage or discharge frequency.
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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".