Temperature rise and free convection heat transfer coefficient for 2-D pot-core inductors and transformers
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Bibliographic record
Abstract
This paper presents calculated results for the surface temperature rise and free convection heat transfer coefficient in the case of a vertically oriented pot-core inductor or transformer for which the total loss is known. The average surface temperature rise and convection heat transfer coefficient are shown to primarily depend on two characteristic parameters: the height of the core and the average convective heat flux dissipated from the side surface. In fact, simulations illustrate that only the side surface of the core effectively dissipates convective heat and the contribution of the core top surface to convection is negligible. The heat transfer due to radiation is also calculated from the average surface temperature rise. It becomes apparent that the radiative heat transfer is in the same order as the total convective heat transfer. A generalized equation is developed to correlate the temperature rise and total loss for pot-core components of the same height. In addition, through an experimental example, we show that the analysis for pot cores produces high errors if applied for ETD cores.
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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 | 0.001 | 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 | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| 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