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Record W407000912 · doi:10.1299/jsmeicone.2003.154

ICONE11-36222 THE FUTURE OF NUCLEAR : SCWR GENERATION IV HIGH PERFORMANCE CHANNELS

2003· article· en· W407000912 on OpenAlexaff
Romney B. Duffey, Hussam F. Khartabil, Igor Pioro, J. M. Hopwood

Bibliographic record

VenueThe Proceedings of the International Conference on Nuclear Engineering (ICONE) · 2003
Typearticle
Languageen
FieldEngineering
TopicHeat transfer and supercritical fluids
Canadian institutionsAtomic Energy (Canada)
Fundersnot available
KeywordsNuclear powerTurbineRenewable energyScheduleMarket penetrationSoftware deploymentCapital costSupercritical fluidProcess engineeringComputer scienceEnvironmental scienceEnvironmental economicsNuclear engineeringMechanical engineeringEngineeringElectrical engineeringEconomicsNuclear physicsChemistry

Abstract

fetched live from OpenAlex

The new Advanced CANDU^[○!R] Reactor (ACR^<TM>) design features major improvements in economics, inherent safety characteristics and performance, while retaining the proven benefits of the CANDU family of nuclear power plants. But the development potential of the pressure tube concept does not stop there. We examine the developments needed for even larger market penetration worldwide in the time frame 2025 or later. Over that timescale, we might expect significant deployment of ACRs. This spurs a need for plants that are mass-produced with higher efficiency, even lower costs, and an even higher degree of local or national fabrication. The pressure tube design allows that to happen, as no large high-pressure component is needed. For this future, a number of concepts have been identified. But the energy market targets are expected to be even more challenging than envisaged today : a) Capital costs <<$1000 US/kW, b) Plant designs economic down to 300MW_e and up to 1500MW_e from one maker, c) Global builds potential for 1000s of units, e) Sustainable (thorium) fuel cycles, f) Synergism with non-carbon renewables and enabling of the hydrogen production. Such demanding market goals - in our view - can only be met by employing significant system simplification. We have shown that such concepts are feasible, in an evolutionary manner. Filling the primary system with supercritical water (SCW) can raise thermal efficiencies to over 40%. Extremely compact existing supercritical turbines operate today at sizes from 300MW_e, and can be deployed without any further development. Turbine inlet temperatures of up to 600℃ are possible so it is simply a matter of matching the evolutionary reactor design to the turbine, not the other way around. Significant safety improvements over large vessel designs also seem possible, using the latest insulting materials.

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.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.766
Threshold uncertainty score0.488

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.017
GPT teacher head0.194
Teacher spread0.176 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreEmpirical

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".

Quick stats

Citations6
Published2003
Admission routes1
Has abstractyes

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