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Record W4247915573 · doi:10.32920/ryerson.14649351.v1

Analysis of the factors affecting hybrid ground-source heat pump installation potential

2021· preprint· en· W4247915573 on OpenAlexaff
Hiep V. Nguyen

Bibliographic record

Venuenot available
Typepreprint
Languageen
FieldEnergy
TopicGeothermal Energy Systems and Applications
Canadian institutionsHydro One (Canada)Toronto Metropolitan UniversityNatural Sciences and Engineering Research Council of Canada
Fundersnot available
KeywordsSizingCapital costHeat pumpNet present valueOperating costWork (physics)Inflation (cosmology)Hybrid systemEnvironmental scienceEnvironmental economicsEngineeringComputer scienceProduction (economics)EconomicsWaste managementMechanical engineering

Abstract

fetched live from OpenAlex

A series of sensitivity analysis was performed to a variety of design parameters as a way of increasing the knowledge base of automatically sizing GSHPs as a component of a hybrid system. The present work investigates the effects of geographical location (weather patterns and utility rates), operating costs (fixed vs. time-of-use rates), inflation rates, the control strategies used, project life, heat pump entering fluid temperature (EFT), carbon taxation, and building retrofit on the sizing of hybrid GSHP systems in North America. Based on an economic approach to sizing hybrid GSHP systems by selecting the most economical design (based on minimizing the net present value of capital and operating costs), significant energy and cost savings and reductions in CO2 emissions can be achieved.

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 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: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.608
Threshold uncertainty score0.854

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.001
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

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 head0.014
GPT teacher head0.227
Teacher spread0.213 · 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 teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
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

Citations1
Published2021
Admission routes1
Has abstractyes

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