Experimental Study on Effect of Wavelength and Amplitude of Wavy Ground on a NACA 0012 Airfoil
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Bibliographic record
Abstract
The effect of wavelength and amplitude of a sinusoidal wavy ground on the aerodynamics and flowfield of a NACA 0012 airfoil at low Reynolds numbers was investigated experimentally. The results show that, regardless of wave length and amplitude, the periodic variation in the sectional lift and pitching moment persisted, and that the smaller wavy ground distance the larger lift and pitching moment became. The pitching moment also had an opposite trend to the lift. The maximum and minimum lift always occurred at wave peak and valley, respectively. The maximum and minimum lift and pitching moment increased drastically with increasing wave amplitude while depended weakly on the wave length. However, the change in the drag force over the wavy ground was found to be nonmonotonic.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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