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Record W2786624384 · doi:10.14288/cjur.v2i2.189228

Effect of hole area and incline angle on pipe flow leakage rates

2017· article· en· W2786624384 on OpenAlexaff
Chris Jing, Chance Park

Bibliographic record

VenueOpen Collections · 2017
Typearticle
Languageen
FieldEngineering
TopicWater Systems and Optimization
Canadian institutionsUniversity of British Columbia
Fundersnot available
KeywordsMechanicsLeakage (economics)Drop (telecommunication)Volumetric flow rateWater flowPipe flowMaterials scienceEnvironmental sciencePetroleum engineeringGeologyMechanical engineeringEngineeringSoil sciencePhysics

Abstract

fetched live from OpenAlex

Water will always remain as a valuable commodity due to its unique properties and availability. Therefore, its transport in pipes has great significance. Malfunctions such as pipe leakages can cause a variety of problems, ranging from household inconveniences to loss of coolant accidents in nuclear reactors. However, if leakage is controlled, an efficient mechanism of solvent administration can be created, as seen in common drip irrigation techniques. The study focused on two variables of pipe perforation: hole area, and pipe incline. The resulting leakage rates were measured. The experimental set-up consisted of a pipe of varying hole areas attached to a water reservoir at varying angles. The hypothesis was that for a horizontally configured pipe with a single hole, the leakage rate would increase linearly with hole area. The experimental data showed consistency with the hypothesis, but deviated from the linear model for smaller and larger hole areas. Furthermore, the study also derived a hypothetical equation for discharge at an incline that relates the relationship between pipe incline and leakage rate. The findings of the study provide more knowledge to incorporate variations to the drop-irrigation technique on both flat and angled land.

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)0.001
metaresearch head score (Gemma)0.003
Version: metacan-v3-hybrid-931329e0061cValidation 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 score0.002
Threshold uncertainty score0.005

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.003
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.001
Scholarly communication0.0010.001
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0020.000

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 head0.012
GPT teacher head0.246
Teacher spread0.234 · 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 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
Published2017
Admission routes1
Has abstractyes

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