Laminar forced convection in two-dimensional impacting tee junctions
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Bibliographic record
Abstract
This study presents numerical predictions of the laminar fluid-flow and heat-transfer characteristics in planar (two-dimensional) impacting tee junctions. The applicable Navier-Stokes equations and the energy equation were solved for airflow at two inlet Reynolds numbers (Re1) and a wide range of the mass split ratio (β). The results include wall shear stress distributions, streamlines showing the number, location, and size of the re-circulation zones, the pressure loss coefficient, wall heat flux distributions, isotherms, and the overall rate of heat transfer. These results indicate that two re-circulation zones always form on the inside-bend wall of the tee at all values of β and Re1. Two more re-circulation zones may form on the impacting wall of the tee depending on the values of β and Re1. It was also found that the pressure loss coefficient reaches a minimum and the overall rate of heat transfer reaches a maximum at even mass split (β = 0.5).
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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) | 0.001 | 0.000 |
Machine scores (provisional)
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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