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Record W2009008033 · doi:10.1063/1.1637036

Impaction of a droplet on an orifice plate

2004· article· en· W2009008033 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.

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

Bibliographic record

VenuePhysics of Fluids · 2004
Typearticle
Languageen
FieldEngineering
TopicFluid Dynamics and Heat Transfer
Canadian institutionsUniversity of Toronto
Fundersnot available
KeywordsBreakupBody orificeMechanicsSurface tensionViscosityWeber numberOrifice plateImpactionPhysicsOpticsVolume (thermodynamics)Materials scienceThermodynamicsMechanical engineering

Abstract

fetched live from OpenAlex

A novel method of generating secondary droplets using the impaction of a liquid droplet on an orifice plate is proposed. Here, a numerical simulation of this problem is provided using a one fluid volume-of-fluid-based method without considering air in the environment. The impacting droplet may partly spread on the surface of the plate, and partly penetrate through the orifice. The penetrated part may breakup forming a daughter droplet, as well as smaller satellite droplets. The sizes of the generated droplets are related to the volume of the liquid immediately on top of the orifice upon impact. The outcome of the impaction is discussed based on the sizes of the daughter and satellite droplet formed, their velocities, the breakup time, and the breakup length of the penetrated ligament. The influence of the following parameters on the outcome of the impaction is considered: liquid viscosity, liquid surface tension, initial droplet size and velocity, orifice diameter, and the liquid contact angle. A critical Rec number exists for any given We number, under which droplet generation is impossible. Generally, the size of the generated droplet is weakly influenced by the liquid viscosity, and strongly influenced by the liquid surface tension. The size of the daughter droplet increases with the orifice size and reduces with the liquid viscosity, whereas the size of the satellite droplet increases with the viscosity.

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)0.000
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: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.043
Threshold uncertainty score0.353

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 head0.011
GPT teacher head0.228
Teacher spread0.217 · 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