The Study of Residence Time and Flow Rate of Lubricating Oil Through the Top Ring Zone of a Gasoline Engine
Why this work is in the frame
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Bibliographic record
Abstract
With the ever increasing demand on lubricant manufacturers to improve fuel economy, fuel economy retention and increase the drain intervals of their lubricants there is an increasing need to understand which factors effect the degradation of the lubricant in the sump. The harsh conditions in the ring pack have been shown to be responsible for the majority of the lubricant degradation in the engine. Therefore in this investigation the flow rate of lubricant through, and residence time of lubricant in, the top ring zone of a gasoline engine with respect to load and speed has been experimentally measured. An initial effect of the lubricant viscosity on these parameters has also been investigated. The theory and experimental methods are described before the experimental results are presented and discussed. The work has shown that the overall effect of engine speed on sump lubricant degradation is nominal, and that the level of sump degradation increases with increasing engine load.
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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