ICONE23-1727 Thermal-Hydraulic and Neutronic Analysis of a Re-Entrant Pressure-Channel Supercritical Water-cooled Reactor
Bibliographic record
Abstract
The objective of this paper is a study on thermal-hydraulic and neutronic aspects of a pressure-channel Supercritical Water-cooled Reactor (SCWR) with a focus on determination of fuel and cladding/sheath temperatures as well as a pressure drop across a fuel channel. With these objectives, a thermal-hydraulic code has been developed in MATLAB, which calculates a fuel centerline temperature, sheath temperature, coolant temperature and heat-transfer-coefficient profiles. The developed thermal-hydraulic code is coupled with a lattice code and a diffusion code. The neutronic codes were used in order to determine a power distribution inside the core. This paper presents a fuel centerline temperature of a 73-element fuel bundle with UO_2 as a reference fuel, while results are presented for high thermal-conductivity fuels such as UC and UO_2+SiC. The results show that the maximum fuel centerline temperature is significantly lower for high thermal-conductivity fuels. The total pressure drop varied between 108 to 133 kPa per fuel channel.
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How this classification was reachedexpand
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 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".