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Record W1560005113

MRI measurement of dynamics of the liquid and a dissolved gas during acoustic cavitation

2009· article· en· W1560005113 on OpenAlexaffvenue
Igor V. Mastikhin, Benedict Newling, Nathan L. Hetherington, Stein Kristoffersen

Bibliographic record

VenueCanadian acoustics · 2009
Typearticle
Languageen
FieldMaterials Science
TopicUltrasound and Cavitation Phenomena
Canadian institutionsUniversity of New Brunswick
FundersUniversities Space Research Association
KeywordsCavitationHydrophoneAcousticsDisplacement (psychology)Materials scienceSound pressureMagnetic resonance imagingNuclear magnetic resonancePhysics
DOInot available

Abstract

fetched live from OpenAlex

A study was conducted to perform magnetic resonance imaging (MRI) measurement of dynamics of the liquid and dissolved gas during acoustic cavitation. The study focused on obtaining information on dynamics of molecules that constituted the bubbles and the surrounding liquid. The information was acquired directly using the MRI techniques of measuring the displacement and the relaxation parameters of water along with an NMR-sensitive highly soluble gas as a function of the acoustic pressure and the water preparation procedures. The obtained data were examined using a two-site exchange model to extract estimates of the average residence time of gas molecules inside the cavitating bubbles. The cavitation onset was detected at 0.6 Atm in the tap water and at 0.7 Atm in the filtered water by the appearance of the high frequency noise detected by the hydrophone.

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: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.755
Threshold uncertainty score0.466

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 science0.0000.000
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 head0.007
GPT teacher head0.196
Teacher spread0.188 · 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 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
Published2009
Admission routes2
Has abstractyes

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