Numerical Study of Thermal Convection in a Porous Medium
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Bibliographic record
Abstract
This study is dealing with the numerical simulation of natural convection, in a cubic shaped cavity. The surrounding walls are partially porous, homogeneous, and isotropic. The horizontal walls are adiabatic. The vertical walls of the cavity are maintained at constant temperatures (Dirichlet's boundary conditions), and the fluid is the air. The flow in the porous environment is modeled by Darcy-Brinkman-forchheimer model. The finite volumes are used for the resolution of the equation of continuity, momentum and energy. The obtained results were reported to the following: Rayleigh number, Darcy number, and dimensionless thickness of the porous layer and the Nusselt number. The obtained results show that the increase is proportional to the increase of Rayleigh and Darcy numbers and proportionally inverted with dimensional thickness of the porous layer.
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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)
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