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Record W3159409249

Computational fluid dynamics analysis on the Convergent Nozzle Design

2021· article· en· W3159409249 on OpenAlex
Ankit Kumar Mishra, Amandeep Singh, Vinit Goswami, Priyanka Sarma, JV Muruga Lal Jeyan Vishlesh Bhimrao Meshram

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.

aboutThe title or abstract carries a Canadian signal from the geographic lexicon.
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

VenueJournal of Emerging Technologies and Innovative Research · 2021
Typearticle
Languageen
FieldEngineering
TopicRocket and propulsion systems research
Canadian institutionsnot available
Fundersnot available
KeywordsNozzleAerospace engineeringRocket (weapon)Rocket engine nozzlePlanetAerodynamicsConical surfaceMechanical engineeringPropellantLiquid-propellant rocketComputational fluid dynamicsSoftwareComputer scienceEngineeringPhysics
DOInot available

Abstract

fetched live from OpenAlex

Now the world is moving closer to the other planet. As we are searching for the new planets for living we had found that rockets are the only way capable to take the people from earth to the different planets, so scientist and engineers are focusing more on new rocket design which will be more efficient and more powerful in future, for example SpaceX company have rocket model SN 8 which have ability to take the humans to the mars. In rockets, the nozzle used for exhaust the gases at high speed which produced by the combustion of propellants. Today we have different type of rocket nozzle like conical, bell or convergent divergent nozzles. In this paper we will discuss about the convergent and divergent nozzle design with varying inlet and throat area or throat area ratio and will seethe variation in aerodynamic parameters and analyze all three designs on the ANSYS software which is computational fluid dynamic software. In rockets, convergent divergent shape is mostly used as nozzle which is also known as de-laval nozzle.

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)0.003
metaresearch head score (Gemma)0.001
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: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.668
Threshold uncertainty score0.395

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0030.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.005
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
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 head0.095
GPT teacher head0.365
Teacher spread0.270 · 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