Definition & axiom
⚠ Conflicts with the ISO 15926-4 primary definition
Label (EN)
finned tube heat exchanger
Label (PT-BR)
Definition (EN)
Definition (PT-BR)
Semi-formal axiom (Aristotelian)
Axiom type
LLM classification basis: structure-based → ⊑
This concept is defined structurally by the presence of finned tubes as the heat transfer mechanism, differentiating it from other heat exchanger types like shell-and-tube, plate, or spiral configurations. The function remains the generic HeatTransferFunction shared by all heat exchangers.
Validation status
Why primitive (necessary only)
Reviewer notes
FOL theory & disjointness
First-order logic theory (generated)
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Disjoint with
▸
Expert review
Axiomatization steps
1
Identity-Giving Function
✓ done
HeatTransferFunction → HeatTransferProcess ⊑ HeatTransfer
▼
COPI-Core operation
HeatTransfer via process parent PlannedProcess
LLM rationale:
All heat exchangers share the identity-giving function of transferring thermal energy between fluid streams. This function is already established in the enriched heat exchanger class.
▸
Expert review
2
Genus Proximus
✓ done
HeatExchanger · Assembly
▼
Genus (genus proximum)
Most specific superclass — may be a domain class like "Valve" or an IOF-Core root.
BFO/IOF-Core Root
bfo:Object branch
bfo:ObjectAggregate branch
bfo:ImmaterialEntity branch
LLM rationale:
The parent_candidates include 'heat exchanger' which is already enriched in our ontology with HeatTransferFunction. This is the most specific appropriate genus - more specific than 'Static Equipment' and correctly positioned under the functional category.
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Expert review
3
Differentia Specifica
✓ done
∃hasComponentPartAtAllTimes.FinnedTube
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Conditions that distinguish
Finned Tube Heat Exchanger
from sibling classes under genus
HeatExchanger.
Only what is not already entailed by the genus.
Differentia expression
Differentia (natural language)
LLM rationale:
The presence of finned tubes is the defining structural characteristic that distinguishes this type from other heat exchanger configurations. Finned tubes provide extended surface area for enhanced heat transfer efficiency.
▸
Expert review
4
Necessary Parts
✓ done
FinnedTube
▼
Consider part-whole relations beyond subsumption:
hasComponentPartAtAllTimes (universal, structurally essential)
· hasComponentPartAtSomeTime (contingent, optional component)
LLM rationale:
These parts represent the minimal necessary components specific to finned tube heat exchanger construction, beyond what is inherited from the general heat exchanger genus
▸
Expert review
5
Process Participation Signature ⟨I, O, T⟩
✓ done
PortionOfFluid → PortionOfFluid
▼
Inputs (I)
Outputs (O)
Transformation (T)
LLM rationale:
Standard indirect contact heat exchanger signature with two separate fluid circuits exchanging thermal energy without mixing, enhanced by finned surface area
▸
Expert review
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Alternative labels
none
▼
Synonyms / alternative labels (comma-separated) — skos:altLabel
Language auto-detected on export (PT if the label contains accents, EN otherwise).
Properties as BFO qualities
0 of 4 selected
▼
Select which CFIHOS/DEXPI properties inhere in every instance of Finned Tube Heat Exchanger as
bfo:Quality subclasses.
Each selected property →
:FinnedTubeHeatExchangerQuality ⊑ bfo:Quality, inheres in :FinnedTubeHeatExchanger
Custom axioms
none
▼
Axioms not produced by the pipeline. Each is appended verbatim as an
rdfs:subClassOf restriction on Finned Tube Heat Exchanger.
Write the restriction block in Turtle syntax (without the leading
rdfs:subClassOf).
Example: [ owl:onProperty :hasPart ; owl:someValuesFrom :Wellhead ]
Cross-standard divergences
none detected yet
▼
Click "Detect divergences" to analyse cross-standard disagreements for this cluster.
Source Definitions (3)
FINNED TUBE HEAT EXCHANGER — ClassOfInanimatePhysicalObject
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cfihos V2.0
finned tube heat exchanger — TagAndEquipmentClass
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Finned Tube Heat Exchanger — Class
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Provenance tiers (3)
Sources the pipeline cited while building this entry. Verbatim = the quote was copied word-for-word from that source; summary = paraphrased.
standard · verbatim
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OWL/Turtle preview
Download .ttl
Numeric
COPI_* IRIs from copi-iri-map.tsv, with the readable name as a trailing comment. Names not yet in the map stay readable.
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ID 172 · claude-sonnet-4-20250514
Created 2026-04-16 18:11
Updated 2026-09-08 12:26
