The Analytical Modeling of Underground Coal Gasification through the Application of a Channel Method
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Bibliographic record
Abstract
Underground coal gasification is a process of recovery of the energy of coal through partial combustion and gasification of coal by means of injected oxidant; and, the produced syngas is collected for processing for a variety of end uses. In this work, an analytical model of underground coal gasification is developed by applying a channel method on one-dimensional coal seams and assuming four reactions with constant reaction rates. The process is assumed to be steady-state, so that a closed-form solution can be obtained. The model can be used to perform sensitivity analyses of operating parameters, such as the steam/oxygen ratio, the rate of oxidant injection, and the length of channel on the composition of the species in the syngas, so that the findings can be applied to numerical simulations.
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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