Experimental Investigation of the Knock and Combustion Characteristics of CH <sub>4</sub> , H <sub>2</sub> , CO, and Some of Their Mixtures
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Bibliographic record
Abstract
Experimental data obtained in a single-cylinder, variable compression ratio, spark ignition (SI), cooperative fuel research (CFR) engine when operating on CH 4 , H 2 , CO, simulated reforming product gas (2H 2 + CO), and some of their mixtures are presented. The dependence of the value of some key operational and combustion variables, including the knock and lean operational limits, combustion duration, and exhaust emission on fuel composition, is investigated. The significant effect of the presence of H-bearing species such as CH 4 , H 2 , or H 2 O on the combustion and knock characteristics of dry CO is also highlighted. Guidelines as to the suitability of these fuels for SI engine applications are provided.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| 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) | 0.000 | 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 it