Rheological Properties of Magnetite Suspensions
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Bibliographic record
Abstract
Abstract Rheological properties of aqueous suspensions of magnetite, varying in particle size distribution and solids content have been studied. Three models, the Bingham, the Herschel-Bulkley, and the Casson were found to describe the experimental flow curves quite well. The Casson model turned out to be very effective in describing the flow curves in a broad range of magnetite particle sizes (from d 63.2 = 30 μm resembling commercial magnetite down to a micronized magnetite with d 63.2 =2.7 μm), and over the solid content range from 5% to 25% by volume. The two rheological parameters obtained from the experimental data using the Casson model, the Casson yield stress and the Casson viscosity were evaluated, and it was concluded that while the Casson viscosity was nearly constant over the magnetite medium density range of 1.3 to 1.7 (5% to 20% by volume), the Casson yield stress varied in a predictable way with magnetite particle size and solids content.
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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) | 0.001 | 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