Numerical Study of Droplet Impact on Inclined Surface: Viscosity Effects
Bibliographic record
Abstract
Water management is still a critical challenge in the commercialization and development of proton exchange membrane fuel cell (PEMFC). Recently, in the numerical investigation of gas-liquid dynamics, the dynamic contact angle (DCA) has been considered as a crucial parameter and boundary condition in two-phase flow model. In this study, as one part of the robust DCA model development, the numerical simulation of glycerin droplet impact on inclined surface is conducted using DCA model. However, with the original parameters from the experiment, it is found that the numerical results have difficulty to match the experimental results. Considering the properties of the glycerin solution could vary in the experiment, the liquid viscosity is recalculated and the effects of different viscosities on droplet behaviors are investigated. The results show that higher liquid viscosity will make the droplet rebound from the surface more easily, and also shorten the sliding distance and droplet spreading length.
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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) | 0.002 | 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".