The Structure of Near Wake of Finite Circular and Square Cylinders
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Bibliographic record
Abstract
This paper reports an experimental investigation of the structure of the flow field around finite circular and square cylinders in an open water channel. A particle image velocimetry technique was used to conduct detailed velocity measurements in the streamwise/transverse and streamwise/spanwise planes. From these measurements, the iso-contours and profiles of the mean velocities and some turbulent quantities were obtained at various streamwise locations and discussed. It was observed that the flow recovery is faster for the circular cylinder than the square cylinder. The intersection of the downward and upward flows occurs about mid-length for the circular cylinder but closer to the free end of the square cylinder. The turbulent quantities are higher in the square cylinder than the circular cylinder. Two-point velocity correlations indicates that the spanwise velocity fluctuations sustains strong correlation over a larger spanwise direction than the streamwise fluctuations.
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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