Bibliographic record
Abstract
M OVING belts and other types of moving walls have been used as partial boundaries of wind tunnels, water channels, wings, and other facilities and components in many experimental investigations of a variety of flow phenomena. In applied studies, moving walls have been used to simulate the ground effect on moving vehicles [1–3] or as a means of boundary layer control and drag reduction [4–7],whereasmoving belts have also been employed in fundamental investigations of the turbulence structure and associated heat transfer [8–13]. For a smooth, plane belt that is long enough to approximate the ideal case of an infinite movingwall and a uniform freestream, one would expect that the characteristics of the boundary layer (BL) would depend only on the relative velocity between the belt and the freestream. In practice, however, the operations of the belt and the flow facility could be coupled in apparent or subtle ways, and other factors may play a role in the nearwall velocity variation. Because it is not always feasible or economical to document directly the BL state under the actual experimental conditions, one may be compelled to adopt the use of information collected in conventional BL over stationary walls, even in moving-wall cases. This Note reports some experience in using a moving belt as the upper wall of a water channel, in the hope that it will be of help to other researchers using similar arrangements or planning to do so.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".