exported necessary COPI_0000224
Centrifugal Compressor Casing
IRI: https://www.inf.ufrgs.br/ontologies/copi/COPI_0000224
Generated onGerado em 2026-05-04
Natural Language DefinitionDefinição em Linguagem Natural
EN
A casing that is specifically designed and dimensioned for structural compatibility with centrifugal compressor mechanisms, providing enclosure and protection for rotating impellers and associated flow components.
PT-BR
Um invólucro que é especificamente projetado e dimensionado para compatibilidade estrutural com mecanismos de compressor centrífugo, fornecendo contenção e proteção para impulsores rotativos e componentes de fluxo associados.
Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every centrifugal compressor casing is a casing that is intended for use with centrifugal compressors
First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Necessary condition]∀x (CentrifugalCompressorCasing(x) → Casing(x) ∧ ∃f (EnclosureFunction(f) ∧ bearerOf(x,f))) — Steps 1–3: genus + identity-giving function [Function axiom: EnclosureFunction]∀f (EnclosureFunction(f) → ∀p (realizedIn(f,p) → EnclosureProcess(p)) ∧ ∃p (EnclosureProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised [Structural differentia (necessary only)]∀x (CentrifugalCompressorCasing(x) → ∃intendedFor.CentrifugalCompressor) — Step 3: structural property — necessary condition, not sufficient (OWA prevents ≡) [Process participation signature]∀x ∀f ((CentrifugalCompressorCasing(x) ∧ EnclosureFunction(f) ∧ bearerOf(x,f)) → ∃m (CentrifugalCompressor(m) ∧ participatesIn(m,f)) ∧ ∃e (CentrifugalCompressor(e) ∧ participatesIn(e,f)) ∧ processType(f,Containment)) — Step 5: typed participants in the realising process
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: CentrifugalCompressorCasing <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 "1.1.0-104-g4d16eff" ; 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 "2026-07-13"^^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 :EnclosureFunction rdf:type owl:Class ; rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :EnclosureProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :EnclosureProcess ] ; rdfs:label "enclosure function"@en ; rdfs:label "função de proteção e invólucro"@pt-br ; iof-av:naturalLanguageDefinition "A DesignedFunction that is realized in an EnclosureProcess and that consists in providing protective containment and structural support for internal mechanical components, maintaining their spatial arrangement and protecting them from external environmental conditions."@en ; skos:definition "A DesignedFunction that is realized in an EnclosureProcess and that consists in providing protective containment and structural support for internal mechanical components, maintaining their spatial arrangement and protecting them from external environmental conditions."@en . ### Process type :EnclosureProcess rdf:type owl:Class ; rdfs:subClassOf iof-core:PlannedProcess ; rdfs:label "enclosure process"@en ; rdfs:label "processo de proteção e invólucro"@pt-br ; iof-av:naturalLanguageDefinition "A PlannedProcess in which a casing provides protective containment around internal components, maintaining their operational environment and structural integrity while allowing controlled access for maintenance."@en ; skos:definition "A PlannedProcess in which a casing provides protective containment around internal components, maintaining their operational environment and structural integrity while allowing controlled access for maintenance."@en . :EnclosureProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :CentrifugalCompressor ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :CentrifugalCompressor ] . ### Equipment universal: CentrifugalCompressorCasing :CentrifugalCompressorCasing rdf:type owl:Class ; rdfs:subClassOf :Casing ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart) owl:someValuesFrom :EnclosureFunction ] ; rdfs:label "centrifugal compressor casing"@en ; rdfs:label "invólucro"@pt-br ; iof-av:naturalLanguageDefinition "A casing that is specifically designed and dimensioned for structural compatibility with centrifugal compressor mechanisms, providing enclosure and protection for rotating impellers and associated flow components."@en ; skos:definition "A casing that is specifically designed and dimensioned for structural compatibility with centrifugal compressor mechanisms, providing enclosure and protection for rotating impellers and associated flow components."@en ; iof-av:naturalLanguageDefinition "Um invólucro que é especificamente projetado e dimensionado para compatibilidade estrutural com mecanismos de compressor centrífugo, fornecendo contenção e proteção para impulsores rotativos e componentes de fluxo associados."@pt-br ; iof-av:semiFormalNaturalLanguageAxiom "Every centrifugal compressor casing is a casing that is intended for use with centrifugal compressors"@en ; iof-av:firstOrderLogicAxiom "∀x(CentrifugalCompressorCasing(x) → Casing(x) ∧ ∃y(CentrifugalCompressor(y) ∧ intendedFor(x,y)))"@en ; iof-av:isPrimitive "true"^^xsd:boolean ; iof-av:primitiveRationale "Constructive type defined by structural compatibility. Under OWA, asserting equivalence could force classification of any casing with centrifugal compressor compatibility, including hybrid or specialized equipment that should not be automatically classified as standard centrifugal compressor casings."@en ;
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
EnclosureFunction ⊑ DesignedFunction
Realized in
EnclosureProcess ⊑ PlannedProcess
The function is the same as any casing - to provide enclosure and protection. The 'centrifugal compressor' specification indicates intended application/compatibility, not a functionally distinct enclosure type.
2 Genus DeterminationDeterminação do Gênero
casingbfo:Object (BFO_0000030)
The definition explicitly states this is a subtype of COMPRESSOR CASING, and the already-enriched classes show 'casing' as a defined class with EnclosureFunction. This is the most specific appropriate superclass.
3 Differentia SpecificaDiferença Específica
∃intendedFor.CentrifugalCompressor

Specifically designed and dimensioned for use with centrifugal compressor mechanisms

The differentia is the specific geometric and structural design compatibility with centrifugal compressor internals - the casing must accommodate rotating impellers, volute chambers, and radial flow patterns rather than other compressor architectures.
4 Necessary PartsPartes Necessárias

No necessary parts recorded.

No component terms are provided in the source standards, and the definition is too generic to identify universal necessary parts beyond those already provided by the casing genus.
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
{'type': 'CentrifugalCompressor', 'count': 1, 'constraints': 'internal components to be enclosed'}
OutputsSaídas
{'type': 'CentrifugalCompressor', 'count': 1, 'constraints': 'protected and structurally supported assembly'}
TransformationTransformação
structural support and environmental protection provided to centrifugal compressor internals
The signature reflects the enclosure function - taking compressor internals and providing them with protective containment. This grounds disjointness with other equipment casings designed for different internal mechanisms.
MetadataMetadados
COPI IDCOPI IDCOPI_0000224
IRIIRIhttps://www.inf.ufrgs.br/ontologies/copi/COPI_0000224
StatusStatusexported
Axiom modeModonecessary
CreatedCriado2026-05-04
UpdatedAtualizado2026-06-26
LLM modelModelo LLMclaude-sonnet-4-20250514
VersionVersão2026-07-13