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Record W2015853615 · doi:10.5539/mer.v1n1p24

Control of Exhaust Emissions from Copper Coated Gasohol Run Two Stroke Spark Ignition Engine with Catalytic Converter

2011· article· en· W2015853615 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.

venuePublished in a venue whose home country is Canada.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueMechanical Engineering Research · 2011
Typearticle
Languageen
FieldChemical Engineering
TopicAdvanced Combustion Engine Technologies
Canadian institutionsnot available
Fundersnot available
KeywordsSpark-ignition engineMaterials scienceIgnition systemCatalytic converterTwo-stroke engineAutomotive engineeringIgnition timingPetrol engineEnvironmental scienceInternal combustion engineEngineering

Abstract

fetched live from OpenAlex

The major pollutants emitted from spark ignition (SI) engine are carbon mono oxide (CO) and un-burnt hydrocarbons (UBHC). If the engine is run with alcohol, aldehydes have to be checked also. These are hazardous and cause health problems to human beings but also have impact on environment. Hence control of these pollutants call for immediate attention. Copper of thickness 300 microns is coated over piston crown, and indie portion of cylinder liner and cylinder head of the spark ignition engine. Investigations have been carried out for controlling pollutants from two strokes, 2.2 kW brake power at the rated speed of 3000 rpm, copper coated spark ignition engine fitted with catalytic converter with different catalysts such as sponge iron and manganese ore run with gasohol (blend of 20% ethanol and 80% gasoline by volume). The influence of parameters of catalytic converter (such as void ratio, mass of catalyst, airflow rate, temperature of injected air) and parameters of engine (such as brake power and equivalence ratio) on these emissions are studied. A microprocessor-based analyzer is used for the measurement of CO/UBHC in the exhaust of the engine. Aldehydes are measured by DNPH (dinitrophenyl hydrazine) method. Catalytic parameters are found to show strong influence on reduction of the pollutants in the exhaust. Copper coated spark ignition engine (CCE) with gasohol operation reduced the exhaust emissions considerably when compared to conventional engine (CE) with pure gasoline operation.

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)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.862
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0000.001
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 head0.050
GPT teacher head0.286
Teacher spread0.237 · 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