Fine liquid blowing: A high Reynolds number, high production rate nanofiber manufacturing technique
Bibliographic record
Abstract
ABSTRACT A novel gas‐assisted jetting process, term fine liquid blowing, is used to improve the production rate of making nanofiber from polymer solution. A high‐velocity gas stream is introduced through a central protruding core needle, while a liquid is introduce via an adjacent satellite needle. This arrangement avoids passing the high‐velocity gas over the surface of the slow flowing liquid and results in the stable acceleration of the liquid flow on its approach to the tip of the core needle, where it interacts with the high‐velocity gas, initiating numerous liquid jets at elevated Reynolds numbers of up to more than 800. The method was used to produce poly (vinyl alcohol) nonwoven fiber mats at polymer solution feed rates of up to 900 mL h, surpassing other conventional methods. The produced fibers were of diameters ranging from 96 to 430 nm. Over the tested range, polymer flow rate did not show significant influence on the resulting fiber diameter. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47384.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".