Entrance Region Flows In Rectangular Microchannels With Constant Wall Temperature
Bibliographic record
Abstract
Rarefied gas flow and heat transfer in the entrance region of rectangular microchannels are investigated numerically in the slip flow regime. A control-volume based numerical scheme is used to solve the Navier-Stokes and energy equations with velocity slip and temperature jump conditions at the walls. The effects of variations in Reynolds number (0.1 ≤ Re ≤ 100 ), channel aspect ratio ( 0 ≤ α* ≤ 1 ) and Knudsen number (0 ≤ Kn ≤ 0.1) are studied on the flow development, slip flow heat transfer, and key parameters like the friction factor and the Nusselt number. For simultaneously developing flow and heat transfer, major reductions in friction coefficients and heat transfer rates are observed in the entrance region due to rarefaction effects, which also extend to the fully developed region, however at much lower levels.Copyright © 2005 by ASME
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.001 | 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 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".