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Record W3180334046 · doi:10.1139/cjce-2020-0828

The effect of a plate installation upstream of an orifice on the pressurized flushing efficiency

2021· article· en· W3180334046 on OpenAlexvenueno aff
Reyhaneh Shahriari, Mehdi Daryaee, Seyed Mahmood Kashefipour

Bibliographic record

VenueCanadian Journal of Civil Engineering · 2021
Typearticle
Languageen
FieldEngineering
TopicFluid Dynamics and Vibration Analysis
Canadian institutionsnot available
Fundersnot available
KeywordsFlushingBody orificeDimensionless quantityOrifice plateVolume (thermodynamics)MechanicsSensitivity (control systems)Upstream (networking)Materials scienceMathematicsGeometryPhysicsEngineeringMechanical engineeringThermodynamics

Abstract

fetched live from OpenAlex

The effect of a plate installation upstream of an orifice was investigated as a new method for improving the pressurized flushing efficiency. A plate with three different widths (B T ) was installed at four different distances (L T ) upstream of the orifice. According to the results, the plate installation significantly increased the pressurized flushing efficiency due to the wake vortices formed upstream of the orifice. The flushing efficiency increased up to a maximum value of 11.5 times relative to what was calculated for the experiment without plate for the same conditions. For the best configuration of the plate width and its distance from the outlet (i.e., L T /D O = 0.7 and B T /D O = 0.5, D O is the orifice diameter), the length, width, and depth of the flushing cone increased by approximately 160, 90, and 240% relative to the control experiment under the same conditions, respectively. Four empirical equations based on the effective and dimensionless variables were developed, enabling the users to make predictions based on the flushing cone volume and dimensions. Finally, the importance of each effective parameter in the derived equations were analyzed using sensitivity analysis method. The sensitivity analysis results showed the greater impact of outlet discharge of the orifice and the plate distance than its width on the flushing cone volume and dimensions.

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)0.001
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: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.018
Threshold uncertainty score0.896

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
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 head0.003
GPT teacher head0.172
Teacher spread0.169 · 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 designSimulation or modeling
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

Citations2
Published2021
Admission routes1
Has abstractyes

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