exported
necessary
finned tube
IRI:
http://www.inf.ufrgs.br/ontologies/copi#Finnedtube
Generated on 2026-08-08
Natural Language Definition
EN
A material artifact that is a tube extended with one or more fins to increase its outer surface area, bearing an extended-surface heat transfer function.
PT-BR
Um artefato material que é um tubo estendido com uma ou mais aletas para aumentar sua área de superfície externa, possuindo uma função de transferência de calor por superfície estendida.
Formal Axioms
First-Order Logic Theory
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OWL 2 / Turtle
@prefix copi: <https://www.inf.ufrgs.br/ontologies/copi/> .
@prefix : <https://www.inf.ufrgs.br/ontologies/copi/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix bfo: <http://purl.obolibrary.org/obo/> .
@prefix iof-core: <https://spec.industrialontologies.org/ontology/construct/> .
@prefix iof-av: <https://spec.industrialontologies.org/ontology/annotation/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix qudt: <http://qudt.org/schema/qudt/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix apv: <http://inf.ufrgs.br/ontologies/apv#> .
### COPI — Core Ontology for Petroleum Installations
### Class module: FinnedTube
<https://www.inf.ufrgs.br/ontologies/copi>
rdf:type owl:Ontology ;
dcterms:title "Core Ontology for Petroleum Installations (COPI)"@en ;
dcterms:title "Ontologia Core para Instalações de Petróleo (COPI)"@pt-br ;
dcterms:description "BFO/IOF-Core conformant ontology of equipment classes for petroleum production plants, developed using the five-step RDL enrichment method."@en ;
skos:scopeNote "Material artifacts (bfo:material_entity) that (i) are part of a petroleum production plant, and (ii) bear at least one function whose realization involves the transport (e.g. production and injection), processing (separation and other processes), control, monitoring, measurement, containment or offloading of material or energy."@en ;
skos:scopeNote "Artefatos materiais (bfo:material_entity) que (i) fazem parte de uma planta de produção de petróleo, e (ii) possuem ao menos uma função cuja realização envolve o transporte (p. ex. produção e injeção), processamento (separação e outros processos), controle, monitoramento, medição, contenção ou escoamento de material ou energia."@pt-br ;
skos:scopeNote "COPI provides high-level equipment categories defined by function to demonstrate the defined-class mechanism. Equipment subtypes are annotated with references to CFIHOS and PCA RDL terms. COPI is not a reference data library; organizations should use CFIHOS, PCA RDL, or ISO 14224 for comprehensive equipment classification."@en ;
skos:scopeNote "COPI fornece categorias de alto nível de equipamentos definidas por função para demonstrar o mecanismo de classe definida. Os subtipos de equipamentos são anotados com referências aos termos do CFIHOS e do PCA RDL. COPI não é uma biblioteca de dados de referência; organizações devem utilizar o CFIHOS, o PCA RDL ou a ISO 14224 para classificação abrangente de equipamentos."@pt-br ;
owl:versionInfo "1.1.0" ;
owl:imports <https://spec.industrialontologies.org/ontology/core/Core/> ;
owl:imports <http://purl.obolibrary.org/obo/bfo/2020/bfo.owl> ;
dcterms:creator "Nicolau Oyhenard dos Santos"@en ;
dcterms:contributor "Cauã Antunes" ;
dcterms:contributor "Haroldo Rojas" ;
dcterms:contributor "Rafael Petry" ;
dcterms:contributor "Régis Romeu" ;
dcterms:contributor "Mara Abel" ;
dcterms:isPartOf <https://inf.ufrgs.br/projetos/OntoKG> ;
dcterms:publisher "Universidade Federal do Rio Grande do Sul (UFRGS)"@en ;
dcterms:license <https://creativecommons.org/licenses/by/4.0/> ;
dcterms:created "2026-04-08"^^xsd:date ;
dcterms:modified "2026-10-08"^^xsd:date ;
apv:GlobalMinLanguageCoverage "en pt-br" ;
apv:ClassURIFormationRule "https://www[.]inf[.]ufrgs[.]br/ontologies/copi/(COPI_[0-9]{7}|[A-Z][A-Za-z0-9]*)" ;
apv:ClassMinAnnotationCoverage "rdfs:label https://spec.industrialontologies.org/ontology/annotation/naturalLanguageDefinition" .
iof-av:naturalLanguageDefinition rdf:type owl:AnnotationProperty ;
apv:MinAnnotationLength 20 .
### Identity-giving function
:COPI_0000702 rdf:type owl:Class ; # ExtendedSurfaceHeatTransferFunction
rdfs:subClassOf iof-core:DesignedFunction ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:allValuesFrom :COPI_0000703 # ExtendedSurfaceHeatTransferProcess
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:someValuesFrom :COPI_0000703 # ExtendedSurfaceHeatTransferProcess
] ;
rdfs:label "extended surface heat transfer function"@en .
### Process type
:COPI_0000703 rdf:type owl:Class ; # ExtendedSurfaceHeatTransferProcess
rdfs:subClassOf :COPI_0000004 ; # HeatTransfer
rdfs:label "extended surface heat transfer process"@en .
:COPI_0000004 rdf:type owl:Class . # HeatTransfer
:COPI_0000703 # ExtendedSurfaceHeatTransferProcess
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasInput ;
owl:someValuesFrom :COPI_0000397 # HeatTransferMedium
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasSpecifiedOutput ;
owl:someValuesFrom :COPI_0000397 # HeatTransferMedium
] .
### Equipment universal: FinnedTube
:COPI_0000726 rdf:type owl:Class ; # FinnedTube
rdfs:subClassOf iof-core:MaterialArtifact ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart)
owl:someValuesFrom :COPI_0000702 # ExtendedSurfaceHeatTransferFunction
] ;
rdfs:label "finned tube"@en ;
rdfs:label "tubo aletado"@pt-br ;
iof-av:naturalLanguageDefinition "A material artifact that is a tube extended with one or more fins to increase its outer surface area, bearing an extended-surface heat transfer function."@en ;
skos:definition "A material artifact that is a tube extended with one or more fins to increase its outer surface area, bearing an extended-surface heat transfer function."@en ;
iof-av:naturalLanguageDefinition "Um artefato material que é um tubo estendido com uma ou mais aletas para aumentar sua área de superfície externa, possuindo uma função de transferência de calor por superfície estendida."@pt-br ;
iof-av:isPrimitive "true"^^xsd:boolean ;
iof-av:primitiveRationale "The differentia is structural (presence of fins), so under OWA it cannot be a sufficient condition."@en ;
skos:definition "[ISO 15926-4] A <FINNED TUBE> is a <TUBE> that is extended with one or more fins to increase its outer surface area"@en .
Axiomatization Decision Log
1
Identity-Giving Function
Function class
ExtendedSurfaceHeatTransferFunction
⊑ DesignedFunction
Realized in
ExtendedSurfaceHeatTransferProcess
⊑ HeatTransfer
ISO 15926 defines the finned tube by the purpose of its fins — 'to increase its outer surface area' — which is a heat transfer enhancement function.
2
Genus Determination
MaterialArtifact
bfo:Object (BFO_0000030)
Monolithic causally unified material artefact.
MaterialArtifact ≡ Object ⊓ ∃bearerOf.DesignedFunction.
ISO 15926 types it as a TUBE, which COPI does not enrich separately; MaterialArtifact is the nearest available superclass.
3
Necessary Parts
No necessary parts recorded (concept may be primitive at this level).
No sub-component is named in any source definition for this term. validate_necessary_parts_quotes() requires a verbatim source_quote for every part, and there is nothing to quote — so no parts are asserted (ODR-022 §10.2).
4
Process Participation Signature ⟨I, O, T⟩
Inputs (I)
HeatTransferMedium
— fluid flowing over or through the finned surface
Outputs (O)
HeatTransferMedium
— same fluid at altered temperature
Transformation (T)
conductive and convective heat transfer across an extended outer surface
The fins alter the rate, not the kind, of transfer; participants are the heat transfer medium on either side.
5
Axiom Mode Decision
Necessary conditions only
— modelled as a primitive universal
(⊑, SubClassOf). Identity is grounded in designed
function and cannot be reduced to a property checklist.
The differentia is structural (presence of fins), so under OWA it cannot be a sufficient condition.
Reviewer Notes
ODR-022 §O6: standard-term component of 'finned tube heat exchanger'. Admitted to the pipeline because it is a term in a source standard AND that standard states it is a component of that equipment (verbatim source_quote in the owning entry). Awaiting expert review.
