Sensitivity Analysis of Impedance Characteristics of a Laminar Flow-Based Fuel Cell
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Bibliographic record
Abstract
The sensitivity of the impedance characteristics of a laminar flow-based fuel cell (LFFC) to the changes of the voltage, current and fuel concentration is analyzed using the electrochemical impedance spectroscopy (EIS) method. The impedance of the cell measured at different fuel concentrations and voltages is modeled using equivalent circuits. A t-test is performed on the values of the elements of the equivalent circuits estimated in successive voltages and fuel concentrations. As a result, intervals for the voltage, current and fuel concentration are identified in which the changes in the impedance characteristics of the cell cannot be distinguished statistically. These intervals, referred to as indifference intervals, show that the impedance characteristics of the cell is most sensitive to the changes in the voltage and current in the moderate frequency domains and least sensitive to the changes in the fuel concentration in the low frequency domains.
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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 | 0.001 |
| 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