Transient Modeling of Direct Internal Reforming Planar Solid Oxide Fuel Cells
Bibliographic record
Abstract
In this paper, a 2-D cross section of a single cell of a direct internal reforming planar SOFC is taken and a heat transfer model is developed. For this purpose, the cell is divided into five control volumes: anode interconnect, fuel channel, positive/electrolyte/negative (PEN) structure, air channel and cathode interconnect. Mass and energy balances are solved in these control volumes (2-D in solid structures, 1-D in gas channels). Ohmic, activation and concentration polarizations, convection effects in rectangular ducts and surface-to-surface radiation effects are also taken into account. For the numerical solution, fully implicit finite difference scheme is chosen. The input parameters of the model are inlet temperature and gas composition of air and fuel channel, pressure of the cell, cell voltage, mass flow rate at the fuel channel inlet, excess air coefficient and cell geometry. The model also gives temperature and current density distributions within the cell as output.
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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 | 0.000 | 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 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".