@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: ChokeValve <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 "2026-10-07"^^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_0000164 rdf:type owl:Class ; # PressureReductionFunction rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :COPI_0000609 # PressureReductionProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :COPI_0000609 # PressureReductionProcess ] ; rdfs:label "pressure reduction function"@en ; rdfs:label "função de redução de pressão"@pt-br . ### Process type :COPI_0000609 rdf:type owl:Class ; # PressureReductionProcess rdfs:subClassOf :COPI_0000010 ; # FlowControl rdfs:label "pressure reduction process"@en ; rdfs:label "processo de redução de pressão"@pt-br . :COPI_0000010 rdf:type owl:Class . # FlowControl :COPI_0000609 # PressureReductionProcess 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: ChokeValve :COPI_0000105 rdf:type owl:Class ; # ChokeValve owl:equivalentClass [ rdf:type owl:Class ; owl:intersectionOf ( :COPI_0000077 # Valve [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart) owl:someValuesFrom :COPI_0000164 # PressureReductionFunction ] ) ] ; rdfs:label "choke valve"@en ; rdfs:label "válvula choke"@pt-br ; iof-av:naturalLanguageDefinition "A choke valve is a valve that bears a pressure reduction function, designed to reduce fluid pressure from inlet to outlet through controlled flow restriction and energy dissipation."@en ; skos:definition "A choke valve is a valve that bears a pressure reduction function, designed to reduce fluid pressure from inlet to outlet through controlled flow restriction and energy dissipation."@en ; iof-av:naturalLanguageDefinition "Uma válvula choke é uma válvula que possui uma função de redução de pressão, projetada para reduzir a pressão do fluido da entrada para a saída através de restrição controlada do fluxo e dissipação de energia."@pt-br ; iof-av:semiFormalNaturalLanguageAxiom "Every choke valve is a valve that bears a pressure reduction function and has a flow restriction element as component part at all times."@en ; iof-av:firstOrderLogicAxiom "∀x (ChokeValve(x) ↔ (Valve(x) ∧ ∃f (PressureReductionFunction(f) ∧ bearerOf(x,f))))"@en ; skos:definition "[ISO 15926-4] A <CHOKE VALVE> is an <ARTEFACT> and a <VALVE> in which a solid cylinder is raised and lowered, and which is placed around or inside another cylinder that has holes or slots. The design of a choke valve means fluids flowing through the cage are coming from all sides and that the streams of flow (through the holes or slots) collide with each other at the center of the cage cylinder, thereby dissipating the energy of the fluid through flow impingement. The main advantage of choke valves is that they can be designed to be totally linear in their flow rate"@en ; skos:definition "[CFIHOS] A valve that can be used to obstruct the fluid passing inside, and has the ability to reduce the pressure from the inlet port to the outlet port."@en ; skos:definition "[POSC Caesar] A valve that can be used to obstruct the fluid passing inside, and has the ability to reduce the pressure from the inlet port to the outlet port."@en .