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Record W2138962907 · doi:10.5897/jmer.9000041

Reliability prediction of control valves through mechanistic models

2010· article· en· W2138962907 on OpenAlex

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.

venuePublished in a venue whose home country is Canada.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueMechanical Engineering Research · 2010
Typearticle
Languageen
FieldDecision Sciences
TopicRisk and Safety Analysis
Canadian institutionsnot available
Fundersnot available
KeywordsReliability (semiconductor)Control valvesProcess (computing)Component (thermodynamics)Reliability engineeringValve actuatorControl systemGate valveEngineeringNuclear power plantControl (management)Chemical plantControl engineeringComputer scienceControl theory (sociology)Power (physics)Ball valve

Abstract

fetched live from OpenAlex

A Nuclear Power Plant (NPP) consists of normally operating and emergency standby systems and components. The failure of any operating component will lead to a change in the state of the plant. Control of the processes in the plant is an essential part of the plant operation. The most common control element in the process control systems is the control valve. The control valve manipulates a flowing fluid, such as steam, water, gas, or chemical compounds, to compensate for the load disturbance and keep the regulated process variable as close as possible to the desired set point. In order to ensure the high reliability of the system, component reliability should be ensured. In this paper working principle of control valve and different failure modes by which control valve can fail has been discussed. Reliability of the control valve has been estimated from the mechanistic models by using structural reliability methods.   Key words: Control valves, reliability, mechanistic models, FORM.

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 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)0.013
metaresearch head score (Gemma)0.019
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMetaresearch
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.877
Threshold uncertainty score0.990

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0130.019
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0000.001
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 head0.143
GPT teacher head0.406
Teacher spread0.263 · 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