Estimation of the Hydrogen Flux from a PEM Electrolyzer, based in the Solar Irradiation Measured in Zacatecas Mexico
Bibliographic record
Abstract
In this study, the calculated quantity of hydrogen produced in a typical Polymer Exchange Membrane (PEM) electrolyzer is presented. For the hydrogen flux calculation, solar irradiation data as measured by the “Siglo XXI” Solarimetric Station in Zacatecas,Mexico, was used. Solar data was obtained in the period from November 2007 to April 2008, when the mean irradiation measured was 6.6 kW-h m-2. In order to obtain the estimation of H2, a linear equation of the behavior pattern of a previously characterized Solar-Hydrogen (SH) system was used. The results indicate that the maximum hydrogen production would be obtained in April, with a value of 9 NL min-1 corresponding to a radiation intensity close to 900 W m-2, while a minimum obtained hydrogen value was calculated as 6 NL min-1 with respect to a radiation close to 600 W m-2 for November.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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 | 0.002 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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".