Core Ontology for Petroleum Installations · INF-UFRGS-Ontologies · CNPq INF-UFRGS-ENERGIA inf.ufrgs.br/ontologies/copi dee69df
ISA 5.1 symbol for finned tube heat exchanger
exported necessary
finned tube heat exchanger
IRI: http://www.inf.ufrgs.br/ontologies/copi#Finnedtubeheatexchanger
Generated on 2026-04-16
Natural Language Definition
EN
A finned tube heat exchanger is a heat exchanger that has finned tubes as the primary heat transfer surface enhancement mechanism.
PT-BR
Um trocador de calor de tubos aletados é um trocador de calor que possui tubos aletados como mecanismo primário de aumento da superfície de transferência de calor.
Formal Axioms
Semi-formal (Aristotelian)
Every finned tube heat exchanger is a heat exchanger that has finned tubes as component parts at all times
First-Order Logic Theory
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▸ Stored override ∀x(FinnedTubeHeatExchanger(x) → HeatExchanger(x) ∧ ∃y(FinnedTube(y) ∧ hasComponentPartAtAllTimes(x,y)))
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: FinnedTubeHeatExchanger <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_0000068 rdf:type owl:Class ; # HeatTransferFunction rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :COPI_0000004 # HeatTransferProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :COPI_0000004 # HeatTransferProcess ] ; rdfs:label "heat transfer function"@en ; rdfs:label "função de transferência de calor"@pt-br . ### Process type :COPI_0000004 rdf:type owl:Class ; # HeatTransferProcess rdfs:subClassOf iof-core:PlannedProcess ; rdfs:label "heat transfer process"@en ; rdfs:label "processo de transferência de calor"@pt-br . :COPI_0000004 # HeatTransferProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :COPI_0000037 # PortionOfFluid ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :COPI_0000037 # PortionOfFluid ] . ### Equipment universal: FinnedTubeHeatExchanger :COPI_0000269 rdf:type owl:Class ; # FinnedTubeHeatExchanger rdfs:subClassOf :COPI_0000092 ; # HeatExchanger rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart) owl:someValuesFrom :COPI_0000068 # HeatTransferFunction ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasComponentPartAtAllTimes ; owl:someValuesFrom :COPI_0000726 # FinnedTube ] ; rdfs:label "finned tube heat exchanger"@en ; rdfs:label "trocador de calor de tubos aletados"@pt-br ; iof-av:naturalLanguageDefinition "A finned tube heat exchanger is a heat exchanger that has finned tubes as the primary heat transfer surface enhancement mechanism."@en ; skos:definition "A finned tube heat exchanger is a heat exchanger that has finned tubes as the primary heat transfer surface enhancement mechanism."@en ; iof-av:naturalLanguageDefinition "Um trocador de calor de tubos aletados é um trocador de calor que possui tubos aletados como mecanismo primário de aumento da superfície de transferência de calor."@pt-br ; iof-av:semiFormalNaturalLanguageAxiom "Every finned tube heat exchanger is a heat exchanger that has finned tubes as component parts at all times"@en ; iof-av:firstOrderLogicAxiom "∀x(FinnedTubeHeatExchanger(x) → HeatExchanger(x) ∧ ∃y(FinnedTube(y) ∧ hasComponentPartAtAllTimes(x,y)))"@en ; iof-av:isPrimitive "true"^^xsd:boolean ; iof-av:primitiveRationale "Using necessary conditions for this constructive type. While finned tubes are the defining structural feature, making sufficient conditions (equivalence) under Open World Assumption could lead to false positives where any assembly containing finned tubes would be classified as this specific heat exchanger type, including complex multi-function equipment or specialized hybrid systems."@en ; skos:definition "[ISO 15926-4] A <FINNED TUBE HEAT EXCHANGER> is an <INDIRECT CONTACT HEAT EXCHANGER> that has finned tubes"@en ; skos:definition "[CFIHOS] A heat exchanger that has finned tubes."@en ; skos:definition "[POSC Caesar] A heat exchange that has finned tubes."@en . :COPI_0000726 rdf:type owl:Class ; # FinnedTube rdfs:subClassOf iof-core:MaterialArtifact ; rdfs:label "tubo aletado"@pt-br ; rdfs:label "finned tube"@en . # Disjointness: FinnedTubeHeatExchanger and PlateHeatExchanger [] rdf:type owl:AllDisjointClasses ; owl:members ( :COPI_0000269 :COPI_0000139 ) . # FinnedTubeHeatExchanger, PlateHeatExchanger
Axiomatization Decision Log
1 Identity-Giving Function
Function class
HeatTransferFunction ⊑ DesignedFunction
Realized in
HeatTransferProcess ⊑ PlannedProcess
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.
2 Genus Determination
HeatExchanger
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.
3 Necessary Parts
Part class Parent Relation
FinnedTube MaterialArtifact hasComponentPartAtAllTimes
These parts represent the minimal necessary components specific to finned tube heat exchanger construction, beyond what is inherited from the general heat exchanger genus
4 Process Participation Signature ⟨I, O, T⟩
Inputs (I)
PortionOfFluid — different temperatures - one hot fluid stream and one cold fluid stream
Outputs (O)
PortionOfFluid — temperature modified - hot fluid cooled and cold fluid heated
Transformation (T)
thermal energy transfer from hot fluid to cold fluid through finned tube walls with enhanced surface area
Standard indirect contact heat exchanger signature with two separate fluid circuits exchanging thermal energy without mixing, enhanced by finned surface area
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.

Using necessary conditions for this constructive type. While finned tubes are the defining structural feature, making sufficient conditions (equivalence) under Open World Assumption could lead to false positives where any assembly containing finned tubes would be classified as this specific heat exchanger type, including complex multi-function equipment or specialized hybrid systems.
Disjointness Axioms
plate heat exchanger
C?: plate heat exchanger [kind_ambiguous]. These heat exchanger types have mutually exclusive heat transfer surface configurations - finned tubes versus metal plates - representing incompatible structural implementations
Cross-Standard Observations
All three sources consistently define this concept by the presence of finned tubes. ISO 15926 provides additional context by classifying it as an indirect contact heat exchanger, which aligns with the standard heat exchanger process signature.

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