Impact of Ground Proximity on an Inverted Delta Wing
Why this work is in the frame
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Bibliographic record
Abstract
The impact of ground proximity on the aerodynamics and trailing vortices of an inverted delta wing was investigated experimentally. The ground proximity always led to a lift and drag increase compared to their outside ground-effect counterpart. The largest lift increment occurred in the low-incidence regime but decreased nonlinearly with increasing incidence. A 145% lift increment for a ground distance of 0.5% chord at 3° incidence was obtained. The ground effect also led to an enlarged trailing vortex with increased rotational speed and vortex strength but a lowered peak vorticity. The trailing vortices moved further outboard with reducing ground distance. The results suggest that winged ground-effect vehicles with an inverted delta-wing planform can benefit from the ground effect for a ground distance up to 40% chord.
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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 | 0.001 |
| 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