The Effects of Counterrotating Vortex Pair Intensity on Film-Cooling Effectiveness
Why this work is in the frame
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Bibliographic record
Abstract
The current investigation clarifies the key factor on the film cooling effectiveness, which is the fundamental of the film cooling research. Conventionally, the momentum flux ratio is thought as the most critical factor on the film cooling effectiveness, and the counterrotating vortex pair (CRVP) also has significant impact. A new scheme named the nozzle scheme has been created to separate the momentum flux ratio and control the CRVP intensity. Three configurations of the nozzle scheme and the baseline have been simulated numerically under density ratio of 2 and blowing ratios that varied from 0.5 to 2. The results demonstrate that the CRVP intensity, instead of the momentum flux ratio, is the most critical factor governing the film-cooling effectiveness, and the mainstream direction component is its main component. Therefore, its two compositions, which are the corresponding velocity gradients, naturally become the key parameters considered in the design of new film cooling geometry.
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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