Core Ontology for Petroleum Installations · INF-UFRGS-Ontologies · CNPq INF-UFRGS-ENERGIA inf.ufrgs.br/ontologies/copi dee69df
proposed equivalent
aerator
IRI: http://www.inf.ufrgs.br/ontologies/copi#Aerator
Generated on 2026-06-25
Natural Language Definition
EN
An aerator is a mixer designed to introduce and disperse air or gas bubbles through a liquid or semi-solid medium to achieve aeration, oxidation, or agitation via bubble contact.
PT-BR
Um aerador é um misturador projetado para introduzir e dispersar bolhas de ar ou gás em um meio líquido ou semissólido para promover aeração, oxidação ou agitação por meio de contato com bolhas.
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: Aerator <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 :AerationFunction rdf:type owl:Class ; rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :AerationProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :AerationProcess ] ; rdfs:label "aeration function"@en ; rdfs:label "função de aeração"@pt-br . ### Process type :AerationProcess rdf:type owl:Class ; rdfs:subClassOf iof-core:PlannedProcess ; rdfs:label "aeration process"@en ; rdfs:label "processo de aeração"@pt-br . :AerationProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :LiquidOrSemiSolidPortion ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :AirOrGasPortion ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :AeratedLiquidPortion ] . ### Equipment universal: Aerator :Aerator rdf:type owl:Class ; owl:equivalentClass [ rdf:type owl:Class ; owl:intersectionOf ( :COPI_0000314 # Mixer [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart) owl:someValuesFrom :AerationFunction ] ) ] ; rdfs:label "aerator"@en ; rdfs:label "aerador"@pt-br ; iof-av:naturalLanguageDefinition "An aerator is a mixer designed to introduce and disperse air or gas bubbles through a liquid or semi-solid medium to achieve aeration, oxidation, or agitation via bubble contact."@en ; skos:definition "An aerator is a mixer designed to introduce and disperse air or gas bubbles through a liquid or semi-solid medium to achieve aeration, oxidation, or agitation via bubble contact."@en ; iof-av:naturalLanguageDefinition "Um aerador é um misturador projetado para introduzir e dispersar bolhas de ar ou gás em um meio líquido ou semissólido para promover aeração, oxidação ou agitação por meio de contato com bolhas."@pt-br ; skos:definition "[ISO 15926-4] An <AERATOR> is a <FunctionalObject> that has a capability of <AERATING>. It is used to pass bubbles of air or gas through any liquid or semi solid medium"@en ; skos:definition "[CFIHOS] A physical object that supplies and mixes air to a liquid or solids."@en .
Axiomatization Decision Log
1 Identity-Giving Function
Function class
AerationFunction ⊑ DesignedFunction
Realized in
AerationProcess ⊑ PlannedProcess
2 Genus Determination
Mixer
3 Necessary Parts
Part class Parent Relation
GasDistributionElement MaterialArtifact hasComponentPartAtAllTimes
4 Process Participation Signature ⟨I, O, T⟩
Inputs (I)
LiquidOrSemiSolidPortion — liquid or semi-solid medium to be aerated
AirOrGasPortion — air or process gas to be dispersed through the liquid medium
Outputs (O)
AeratedLiquidPortion — liquid medium with dissolved or dispersed gas bubbles
Transformation (T)
dispersion of gas bubbles through a liquid or semi-solid medium to achieve oxidation, agitation, or gas transfer
The aerator introduces a gas phase into a liquid through bubble generation and distribution; it is a subtype of mixer where one mixing component is always a gas, and the mixing mechanism is bubble dispersion rather than mechanical shear or impingement.
5 Axiom Mode Decision

Necessary + Sufficient — modelled as a defined class (≡, EquivalentClass). Automatic classification is appropriate for this concept.

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