Aerodynamic Optimization of a Novel Synthetic Trailing Edge and Chord Elongation Morphing: Application to the UAS-S45 Airfoil
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Bibliographic record
Abstract
View Video Presentation: https://doi.org/10.2514/6.2023-1582.vid Conventional chord increase in airfoil trailing edge flaps is typically done by attaching multiple separated fowler flaps in the airfoil trailing edge, however, the airflow is prone to be turbulent near the discontinuities between the junctions of fowler flaps. The novel chord-wise extendable morphing trailing edge design for Unmanned Aerial System UAS-S45 is investigated using the gradient-based optimization approach. The purpose of this study is to investigate the advantages of synthetic trailing edge (vertical deflection) and chord elongation morphing (horizontal deflection) in comparison to conventional UAS-S45 airfoil, and to find the optimum range of deflection of the proposed morphing design for different flight conditions. The results indicate that by increasing the angle of attack, the influence of chord elongation on aerodynamic efficiency becomes considerable and the optimum angle of attack is found at near-zero values. The synthetic morphing of trailing edge and chord elongation conduct to an aerodynamic efficiency increase of up to 25.8%.
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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 | 0.001 |
| 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