Scrap melting in continuous process rotary melting furnace Part 2 – Development of model
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
A heat transfer model for scrap melting in an oxy fuel fired continuous process rotary melting furnace, which was envisioned as a replacement for the electric arc furnace in minimill steelmaking, is presented in a two-part series. The present paper describes the development, validation and predictions of the model. The model treats the furnace as three domains: the freeboard space, the liquid bath, and the refractory structure, all linked by shared boundary conditions. The model predictions indicate that a melting rate in order of 100 ton h−1 can be achieved by a 4 m (inner diameter) × 16 m furnace operating with a CH4 firing rate of 6000 nm3 h−1. The thermal efficiency is ∼66%. The direct energy consumption is 620 kW h t−1, which is less than the 660 kW h t−1 of a typical electric arc furnace and represents a saving of ∼45% in terms of at source energy, i.e. accounting for the actual energy required for thermal generation and transmission.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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 | 0.001 |
| 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)
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