Effect of Superhydrophobic Coating on the Anti-Icing and Deicing of an Airfoil
Why this work is in the frame
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Bibliographic record
Abstract
Ice accumulation on aircraft wings can cause a loss in lift and increased drag. The present research investigates the effect of using a superhydrophobic coating, applied on an aluminum small-scale two-dimensional NACA 0012 airfoil, on ice accretion. The coating used is a commercial product that provides a contact angle of 160 deg, whereas the contact angle hysteresis is 6 deg. Experiments are conducted in a small-scale closed-loop icing wind tunnel at flow velocities ranging from 10 to , air temperatures from 0 to , a liquid water content between 1.0 and , and a mean volume diameter from 25 to . The experiments show that, compared to the aluminum airfoil, the superhydrophobic airfoil counteracts the formation of ice at air temperatures as low as . The results indicate a 50% power reduction to keep the superhydrophobic airfoil ice free in the simulated icing conditions and a time reduction of 75% to deice the airfoil when compared to the aluminum airfoil. It is deduced that no ice accretes on the airfoil when only its direct droplet impact area is covered with the superhydrophobic coating in anti-icing mode.
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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) | 0.000 | 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