Theoretical Study of Electroosmotic Flow With Replacement Solutions
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Bibliographic record
Abstract
Electroosmotic flow with solution displacement in microchannels is often encountered in many lab-on-a-chip devices where washing procedures are designed. In order to investigate the detailed flow structures for a displacement process between two different electrolyte solutions, a three-dimensional numerical model is developed in this paper. KCl solution and LaCl3 solution are mainly used as sample solutions. A 2cm long straight microchannl with a rectangle cross sectional area (height of 100μm and width of 200 μm) was employed in this study. The governing equations of applied electrical field, flow field and concentration field were numerical solved with SIMPLE algorithm, which are based on a finite control volume scheme. The observed flow structures such as back flow in the center of the channel and distortion of plug-like electroosmotic velocity profile are discussed in detail. It is found that the distortion in flow field is due to the induced pressure gradient, which is resulted from the nonuniformity of electroosmotic mobilities and electrical conductivities of two solutions. Finally, the displacement between DIUF water and LaCl3 solution is briefly studied.
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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)
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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