Characteristics of liquid sheets formed by two impinging jets
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Bibliographic record
Abstract
An experimental investigation of liquid sheets formed by the impingement of two capillary liquid jets is conducted. The breakup mechanism of the sheet is categorized into two main regimes and five subregimes based on the experimental observations. Two types of Reynolds numbers (jet Reynolds number and sheet Reynolds number) are introduced to correlate with and map the reported breakup regimes. Breakup length and width are introduced, and their analytical models are derived. Both the analytical and experimental results show that the breakup length and width are linearly proportional to the Weber number of individual jets in the case of closed-rim sheets. The slopes of the two linear relations are dependent on the impinging angle. The distribution of fluid velocity in the sheet is examined and found to be in disagreement with the assumption of early models, which claims uniform velocity across the sheet. The nonuniform distribution of fluid velocity in the sheet causes a discrepancy between analytically predicted sheet thickness and the experimental results reported in early works.
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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 | 0.000 |
| 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) | 0.000 | 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