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Development of a hybrid compact organic Rankine cycle micro-CHP system

2020· preprint· en· W4285709783 on OpenAlexafffund
K. Qiu, Evgueniy Entchev

Bibliographic record

Venuenot available
Typepreprint
Languageen
FieldEngineering
TopicThermodynamic and Exergetic Analyses of Power and Cooling Systems
Canadian institutionsNatural Resources Canada
FundersNatural Resources Canada
KeywordsOrganic Rankine cycleDegree RankineEnvironmental scienceProcess engineeringRankine cycleWaste managementEngineeringThermodynamicsMechanical engineeringPhysicsWaste heatHeat exchangerPower (physics)

Abstract

fetched live from OpenAlex

This paper presents an innovative hybrid and compact organic Rankine cycle (ORC) system for micro combined heat and power utilizing solar thermal energy and natural gas.The ORC investigated in this work consists of heat sources, an evaporator, a scroll expander, a condenser, a fluid pump, a recuperator, a control unit and solar heater simulator.The experimental ORC unit has an electric power capacity of 1100 We.Its advantages include short start-up time, clean and automatic operation, low maintenance and very low noise level.It is well suited for hybrid solar and natural gas energy systems.A mathematical model was established to assess the thermodynamic performance of the ORC system under various conditions.Power output and thermal efficiency were calculated using the established model.

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)0.000
metaresearch head score (Gemma)0.000
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
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
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 head0.010
GPT teacher head0.210
Teacher spread0.199 · 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
Published2020
Admission routes2
Has abstractyes

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