Simulation of the Steam-Bitumen Jet in the Fluidized Bed of Coke Particles Using the Eulerian-Lagrangian Splitting Method
Bibliographic record
Abstract
Simulation of the steam-bitumen jet injected into the steam-coke fluidized bed is presented. The computational method is based on the Eulerian-Lagrangian splitting. The Eulerian two-fluid model is used for the steam and the coke phases; the latter is composed of dry and wet coke particles. The Lagrangian model is applied to the bitumen droplets and the primary bitumen-coke agglomerates, generated by the random collisions of the droplets with the coke particles. A simple primary agglomeration-breakup model based on the experimental evidence is used. The gravity and the fluidizing cross-flow are neglected. Consequently, the computational problem is led to the axisymmetric form. Realistic results were obtained for the steam parameters at the end of the nozzle, the jet half-angle, and the location of the areas with the predominant agglomerations and breakups. The composition and stability of the agglomerates, and the mass transfer between the agglomerates and the coke phase are investigated.
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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 | 0.003 | 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)
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".