NATURAL CONVECTION OF NANOFLUIDS IN HEATED ENCLOSURES USING THE LATTICE BOLTZMANN METHOD
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Bibliographic record
Abstract
The lattice Boltzmann method applied on two-dimensional Cartesian meshes has been used to investigate the solution of the natural convection of nanofluids in shallow cavities. This kind of flow problem was implemented to solve temperature, vorticity, and stream function equations under the Boussinesq approximation, with a specific treatment for nanoparticles. Validations were first conducted by studying the natural convection of ordinary fluids in square cavities for a range of Rayleigh numbers between 103 and 106 with a Prandtl number of 0.71. The results were compared with data available in the literature. Once satisfactory results were found for this test problem, the lattice Boltzmann formulation was applied to study natural convection involving nanofluids. The influence of nanoparticles on convectional flows in shallow cavities heated from below was simulated for various Rayleigh numbers. This study was conducted with water-based nanofluids for different kinds and various ratios of nanoparticles. Good agreement was found when these results were compared with analytical data given in the literature.
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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 | 0.001 | 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 | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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