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Effects of temperature-dependent property variations on the output capacity prediction of a deep coaxial borehole heat exchanger
Why is this work in the frame?
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Canadian affiliationAn author listed a Canadian institution. This is the only route the usual frame has.
Canadian funderA Canadian agency funded it. The work may carry no Canadian affiliation at all.
The three-model screen
all 1,000 screened works →All three models called this out of scope.
stratum: aff_core · design weight: 5595.24 (the sample is stratified; any rate computed without the weight is wrong)
Claude Opus 4.8OUT
genre: empirical
about Canada: no
confidence: high
Engineering study of temperature-dependent property effects on deep coaxial borehole heat exchanger output; a geothermal energy question.
GPT-5.6 (high)OUT
genre: empirical
about Canada: no
confidence: low
The title indicates an engineering performance study, but the abstract is missing.
Grok 4.5OUT
genre: empirical
about Canada: no
confidence: high
Geothermal engineering of temperature-dependent properties in deep coaxial borehole heat exchangers.
Abstract
No abstract. This is not a gap in this database — OpenAlex has none either. 23.3% of the frame is in this state, and the screen finds HALF as much metaresearch here, so the absence is a measured bias rather than a missing field.
The record
- Venue
- Renewable Energy
- Topic
- Geothermal Energy Systems and Applications
- Field
- Energy
- Canadian institutions
- University of Alberta
- Funders
- Alberta Innovates
- Keywords
- BoreholeVolumetric heat capacityHeat exchangerThermal diffusivityHeat capacityMechanicsHeat transferThermal conductionCoaxialThermal conductivityGeothermal gradientHeat transfer coefficientMaterials scienceThermodynamicsGeologyGeotechnical engineeringEngineeringGeophysicsMechanical engineering
- Has abstract in OpenAlex
- no