Modified Effectiveness Model for Crossflow Packed-Bed Humidifiers
Bibliographic record
Abstract
A model for the energy effectiveness of cross-flow packed-bed humidifiers is developed and compared with experimental data. The effectiveness of the humidifier is defined as the sensible and latent heat transferred to the air to the maximum total energy available to the humidified air. Simultaneous heat and mass transfer models; available in the literature and originally developed forwent counter flow cooling towers, are utilized to develop a modified model in this paper. The main modification added to that model is a definition of the heat capacity ratio that combines the simultaneous heat and mass transfer transport in that cross-flow packed-bed humidifiers. It was found that the mixed-mixed crossflow heat exchanger effectiveness relationship developed by Kays and London agrees well with the experimental data with an average deviation of less than 10%. The mixed-unmixed correlation developed by Kays and London [12] which was recommended by Jaber and Webb is found to have larger deviation from the experimental measurements occurred at higher heat capacity ratios.
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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 | 0.005 | 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 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| 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".