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Record W4386101510 · doi:10.46632/ese/2/2/4

Exploring Eco-Friendly Alternatives: Experimental Study of a Refrigerator with R600a and HC Mixture Refrigerants

2023· article· en· W4386101510 on OpenAlexaboutno aff
B. Omprakash, R. Ganapathi

Bibliographic record

VenueEnvironmental science and engineering · 2023
Typearticle
Languageen
FieldEngineering
TopicRefrigeration and Air Conditioning Technologies
Canadian institutionsnot available
Fundersnot available
KeywordsRefrigerantRefrigerator carEnvironmentally friendlyProcess engineeringEnvironmental scienceAutomotive engineeringThermodynamicsEngineeringGas compressorPhysics

Abstract

fetched live from OpenAlex

The emission of greenhouse gases into the atmosphere by refrigerators is a major contributor to global warming and the subsequent destruction of the ozone layer, despite the fact that refrigeration has become an essential human need in recent decades.Montreal and Kyoto agreements advocated environmentally preferable refrigerants because of concern for the planet.Since R600a and a hydrocarbon combination (R290/R600a) have negligible ODP and very low GWP compared to the refrigerant R134a, they were used in the current work's experimental investigation of the VCRS system.Hydrocarbons have a larger latent heat value than R134a, hence a smaller refrigerant charge is required.Critical correlations are formed between the refrigerants, and they are graphically illustrated, utilizing R600a and hydrocarbon mixture refrigerants of charges 50g, 55g, and 60g.For a 55g charge, the cooling effect of a mixture of R290 and R600a (50/50 by weight percent) was 21.4% more than that of R600a alone.Based on the data, it was determined that a blend of 55 grams (R290/R600a) is the most effective environmentally friendly replacement for R134a refrigerant.

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)0.001
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 score0.007

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.001
Science and technology studies0.0010.000
Scholarly communication0.0000.001
Open science0.0010.000
Research integrity0.0010.001
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 head0.019
GPT teacher head0.210
Teacher spread0.191 · 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

Citations2
Published2023
Admission routes1
Has abstractyes

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