RANS and Scale-Resolving Simulations of the Flow Over Static Pressure Ports
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Bibliographic record
Abstract
Compressible flow fields over flush static pressure ports (SPPs) with sharp and rounded rims, which are used on airplanes and wind-tunnel models are studied for a range of diameters and speeds. Both steady RANS computations with the use of different eddy-viscosity models and turbulence-resolving simulations in the framework of the Improved Delayed Detached-Eddy Simulation (IDDES) approach are performed for an SPP in the flat plate boundary layer. The primary objective is to evaluate the capabilities of the two approaches for predicting the difference between the pressure deep in the SPP tube and the ambient pressure in the boundary layer, including a limited comparison with experiment. It is shown that although both approaches return results that agree qualitatively with the available experimental data, the RANS models’ predictions disagree appreciably among themselves and with the IDDES predictions, the latter being close to the experiment for both sharp and rounded port rims.
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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