Comparison between modeled and measured time-resolved LII signals and soot temperatures in a laminar premixed flame
Bibliographic record
Abstract
LII experiments were conducted in a laminar premixed flame established with a McKenna burner at atmospheric pressure burning a mixture of methane, oxygen, and nitrogen with an equivalence ratio of 2.15 and with a flame stabilizer of stainless steel plate placed at 20 mm above the burner. A Nd:YAG laser at 1064 nm with a repetition rate of 10 Hz was used to produce a top-hat laser beam with a 6 ns pulse duration (FWHM) as the excitation source. Time-resolved LII signals were measured at 610 nm (20 nm FWHM) using a PMT at different locations in the flame and at different laser fluences. Soot temperature measurements were also conducted through recording LII spectra with a spectrograph at different locations along the flame centerline and different laser fluences. TEM analyses of soot sampled at HAB = 12 and 15 mm were also carried out to provide primary particle diameter distribution and average number of primary particles in an aggregate for LII model calculations.
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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) | 0.001 | 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 | 0.001 |
| Open science | 0.001 | 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".