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Record W7133093895

Simulation of Synthesizing Titanium Nanoparticles in a Radio-frequency Inductively Coupled Plasma

2023· dissertation· W7133093895 on OpenAlex
An Gu

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.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueTSpace · 2023
Typedissertation
Language
FieldEnvironmental Science
TopicCoagulation and Flocculation Studies
Canadian institutionsUniversity of Toronto
Fundersnot available
KeywordsNucleationNanoparticleParticle (ecology)EvaporationPlasmaInductively coupled plasmaNanoparticle tracking analysisTracking (education)Particle-size distribution
DOInot available

Abstract

fetched live from OpenAlex

Following the rising demand for nanoparticles for plasmonic applications, Induction Plasma Synthesis is a promising technique for the synthesis of nanoparticles or nano-structured coating. A numerical study has been conducted on the evolution of Titanium particles in a radio-frequency (RF) inductively coupled plasma (ICP). A comprehensive model consisting of three sub-models is developed. A 2-dimensional axisymmetric computational model of a 40 MHz RF-ICP torch has been constructed to investigate the thermo-fluid field of the torch. The mathematical particle tracing model based on the Lagrangian tracking method incorporates the Stefan-Fuchs evaporation mechanism is built. And lastly, to understand the mechanism of nanoparticle formation such as nucleation and particle growth, a growth model under the scheme of the nodal method has been developed. Parametric studies for the influences of coil power, precursor particle size, and material feed rate are performed to find a way of controlling the operating conditions for desirable final particle size. The results of particle temperature, nucleation rate, particle mean diameter, and final size distribution are discussed.

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)0.001
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Insufficient payload (model declined to judge)
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 score0.520
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.001

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 head0.048
GPT teacher head0.337
Teacher spread0.289 · 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