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Fluidization

2000· other· en· W4247101619 on OpenAlexaff
A.A. Avidan, Desmond F. King, T.M. Knowlton, M. Pell

Bibliographic record

VenueKirk-Othmer Encyclopedia of Chemical Technology · 2000
Typeother
Languageen
FieldEngineering
TopicGranular flow and fluidized beds
Canadian institutionsResearch & Development Corporation
Fundersnot available
KeywordsFluidizationFluidized bedIsothermal processMaterials scienceCoalDragChemical engineeringPetroleum engineeringWaste managementMechanicsThermodynamicsEngineeringPhysics

Abstract

fetched live from OpenAlex

Abstract Fluidization is the art of handling a solid as if it were a fluid. To fluidize solid particles, a gas or a liquid flows up through a particle bed at such a rate as to support the weight of particles via drag force such that the weightless particles are free to move and flow akin to molecules in a liquid. Fluidization by a gas is by far the most commonly used technique, although solids can be fluidized by a liquid, or by a gas and a liquid. Often the gas reacts with the particles as it fluidizes them. Commercially, gas‐fluidized beds are used for a multitude of purposes, from drying solids to burning coal and from making plastics to producing gasoline from heavy oils. The important properties of particles that relate to fluidization are discussed along with the different regimes that fluidized beds can exhibit. The isothermal nature of fluidized beds and the high rates of heat and mass transfer are discussed. Design of fluidized beds is introduced as are the various pieces of hardware needed. Circulating fluidized beds are also discussed, as is industrial scale up.

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)0.000
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: Not applicable · Consensus signal: none
GenreCandidate signal: Other · Consensus signal: Other
Teacher disagreement score0.041
Threshold uncertainty score0.136

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.001
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0020.001
Science and technology studies0.0020.001
Scholarly communication0.0040.003
Open science0.0010.003
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0410.017

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 head0.003
GPT teacher head0.185
Teacher spread0.182 · 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 designNot applicable
Domainnot available
GenreOther

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
Published2000
Admission routes1
Has abstractyes

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Same venueKirk-Othmer Encyclopedia of Chemical TechnologySame topicGranular flow and fluidized bedsFrench-language works237,207