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Record W2705978056

Simulation and optimization of Mixed Fluid Cascade process to produce Liquefied natural gas

2017· article· en· W2705978056 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

VenueNova Journal of Engineering and Applied Sciences · 2017
Typearticle
Languageen
FieldComputer Science
TopicAdvanced Multi-Objective Optimization Algorithms
Canadian institutionsnot available
Fundersnot available
KeywordsLiquefied natural gasNatural gasGas compressorLiquefactionCascadeVolume (thermodynamics)Genetic algorithmWork (physics)Process engineeringInterfacingProcess (computing)EngineeringEnergy consumptionEnvironmental scienceComputer scienceMechanical engineeringMathematical optimizationWaste managementMathematicsThermodynamicsPhysics
DOInot available

Abstract

fetched live from OpenAlex

As the worldwide energy consumption continues to grow, natural gas and Especially LNG are expected to keep contributing significantly with this growth. Liquefied natural gas by cooling the natural gas is obtained. Due to the volume of liquefied natural gas is less than the volume of natural gas, leading to a substantial reduction in the cost of transport. The compressor is one of the most important equipment used in the liquefaction process. The overall objective of this thesis is to simulation an LNG liquefaction process, then describes optimized work compressor. The mixed fluid cascade (MFC) processes are used for this purpose. Optimization of the process was attempted using Genetic Algorithms by interfacing the Aspen Hysys with MATLAB software's. We must determine the objective function and constraints for optimization. The constraints are defined using the degrees of freedom, in this project we are working with 11 degrees of freedom and Compressor work, we consider the objective function. Optimization of both obtains good result. Optimization with genetic algorithms, decreased 13.29% energy consumption and too 11.7× 10 6 $ per year savings are obtained with genetic algorithm. Keywords: Liquefied natural gas, optimization, compressor work, genetic algorithm.

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)0.000
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: Methods · Consensus signal: none
Teacher disagreement score0.449
Threshold uncertainty score0.308

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
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 head0.023
GPT teacher head0.297
Teacher spread0.275 · 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