Numerical Investigation of Conjugate Heat Transfer Between Spherical Solid Body and Fluid
Bibliographic record
Abstract
Conjugate heat transfer (CHT) happens often in engineering environments, involving convection as well as conduction in a fluid flow and a rigid body in contact with each other. Although the analytical solutions for the problems of the individual convection and conduction are surprisingly simple, solving the combined conjugate heat transfer problem is much more difficult. The CHT of a fluid (air) flowing past an unbounded sphere is the subject of this research. ANSYS Fluent V.16.0 is employed to solve the governing equations using a finite volume system, assuming axisymmetric, no normal convection, and steady physical properties. Heat is generated at a consistent and uniform rate by the sphere. The results demonstrated that as the air temperature rises, so does the temperature distribution. The temperature distribution will be reduced as the rate of air flow is raised. Also, the distribution of temperature will rise as the sphere heat flux increases. The flow rate distribution will increase as the air flow rate rises. The distribution of pressure will rise as the rate of air flow raises.
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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 | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 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".