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Record W4389206949 · doi:10.22215/etd/2023-15788

Cyclic Voltammetry for Accurate Icing Detection on Simulated Aircraft Surfaces

2023· dissertation· en· W4389206949 on OpenAlexafffund
Kate Yeadon

Bibliographic record

Venuenot available
Typedissertation
Languageen
FieldEngineering
TopicIcing and De-icing Technologies
Canadian institutionsCarleton University
FundersNational Research Council CanadaNatural Sciences and Engineering Research Council of Canada
KeywordsIcingMaterials scienceOxideSurface roughnessCyclic voltammetryCoatingComposite materialSurface finishNanotechnologyChemical engineeringMetallurgyMeteorologyElectrochemistryElectrodeChemistryEngineering

Abstract

fetched live from OpenAlex

Icephobic coatings are considered sustainable and cost-efficient technologies for preventing hazardous ice buildup in the aerospace industry.However, icing behaviour during initial ice formation on coated surfaces is not well understood.This icing period was characterised using cyclic voltammetry to determine the exact temperature of ice formation on simulated aircraft surfaces with or without icephobic coatings.The temperature of a water droplet on the material surface was slowly lowered while continuously monitoring cyclic voltammograms as it froze to form ice.The resulting voltammograms exhibited increased faradaic current peaks during this phase change suggesting a switch from diffusion to a surface-confined mass transfer mechanism.This method was then extended to surfaces of different roughness as well as coatings doped with zinc oxide and neodymium oxide nanoparticles.These modifications lowered the surface freezing point, which provided further insight into the mechanism governing surface temperature shifts at freezing.Given its wide-spread applicability, this analytical method could facilitate icephobic coating development and ice monitoring, thereby reducing icing risks in aerospace and related industries.

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 machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.003
Threshold uncertainty score0.009

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0010.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0030.001

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 head0.018
GPT teacher head0.270
Teacher spread0.252 · 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 source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
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

Citations0
Published2023
Admission routes2
Has abstractyes

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