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exported equivalent COPI_0000308
Knock Out Drum
IRI: https://www.inf.ufrgs.br/ontologies/copi/COPI_0000308
Generated onGerado em 2026-04-16
Natural Language DefinitionDefinição em Linguagem Natural
EN
A knock out drum is a separator designed to separate relatively small quantities of liquid from a vapor stream through gravitational and momentum-based phase separation.
PT-BR
Um vaso separador de condensado é um separador projetado para separar quantidades relativamente pequenas de líquido de uma corrente de vapor através de separação de fases gravitacional e baseada em momento.
Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every knock out drum is a separator that bears a knock out separation function, which is realized in processes that separate small quantities of liquid from vapor streams.
First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Definition]∀x (KnockOutDrum(x) ↔ Separator(x) ∧ ∃f (KnockOutSeparationFunction(f) ∧ bearerOf(x,f))) — Steps 1–3: genus + identity-giving function [Function axiom: KnockOutSeparationFunction]∀f (KnockOutSeparationFunction(f) → ∀p (realizedIn(f,p) → KnockOutSeparationProcess(p)) ∧ ∃p (KnockOutSeparationProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised [Process participation signature]∀x ∀f ((KnockOutDrum(x) ∧ KnockOutSeparationFunction(f) ∧ bearerOf(x,f)) → ∃m (VaporPortion(m) ∧ participatesIn(m,f)) ∧ ∃e1 (VaporPortion(e1) ∧ participatesIn(e1,f)) ∧ ∃e2 (LiquidPortion(e2) ∧ participatesIn(e2,f)) ∧ processType(f,PhaseSeparation)) — 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: KnockOutDrum <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 :KnockOutSeparationFunction rdf:type owl:Class ; rdfs:subClassOf :SeparationFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :KnockOutSeparationProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :KnockOutSeparationProcess ] ; rdfs:label "knock out separation function"@en ; rdfs:label "função de separação knock-out"@pt-br . :SeparationFunction rdf:type owl:Class . ### Process type :KnockOutSeparationProcess rdf:type owl:Class ; rdfs:subClassOf :SeparationProcess ; rdfs:label "knock out separation process"@en ; rdfs:label "processo de separação knock-out"@pt-br . :SeparationProcess rdf:type owl:Class . :KnockOutSeparationProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :VaporPortion ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :VaporPortion ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :LiquidPortion ] . ### Equipment universal: KnockOutDrum :KnockOutDrum rdf:type owl:Class ; owl:equivalentClass [ rdf:type owl:Class ; owl:intersectionOf ( :Separator [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart) owl:someValuesFrom :KnockOutSeparationFunction ] ) ] ; rdfs:label "knock out drum"@en ; rdfs:label "vaso separador de condensado"@pt-br ; iof-av:naturalLanguageDefinition "A knock out drum is a separator designed to separate relatively small quantities of liquid from a vapor stream through gravitational and momentum-based phase separation."@en ; skos:definition "A knock out drum is a separator designed to separate relatively small quantities of liquid from a vapor stream through gravitational and momentum-based phase separation."@en ; iof-av:naturalLanguageDefinition "Um vaso separador de condensado é um separador projetado para separar quantidades relativamente pequenas de líquido de uma corrente de vapor através de separação de fases gravitacional e baseada em momento."@pt-br ; iof-av:semiFormalNaturalLanguageAxiom "Every knock out drum is a separator that bears a knock out separation function, which is realized in processes that separate small quantities of liquid from vapor streams."@en ; iof-av:firstOrderLogicAxiom "∀x(KnockOutDrum(x) ↔ Separator(x) ∧ ∃f(KnockOutSeparationFunction(f) ∧ bearerOf(x,f)))"@en ; # Disjointness: KnockOutDrum and Compressor [] rdf:type owl:AllDisjointClasses ; owl:members ( :KnockOutDrum :Compressor ) . # Disjointness: KnockOutDrum and Pump [] rdf:type owl:AllDisjointClasses ; owl:members ( :KnockOutDrum :Pump ) . # Disjointness: KnockOutDrum and HeatExchanger [] rdf:type owl:AllDisjointClasses ; owl:members ( :KnockOutDrum :HeatExchanger ) .
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
KnockOutSeparationFunction ⊑ SeparationFunction
Realized in
KnockOutSeparationProcess ⊑ SeparationProcess
The identity-giving function is the specific type of separation that removes relatively small quantities of liquid from a vapor stream. This is a specialized subtype of general SeparationFunction, distinguished by the vapor-to-liquid phase separation with minimal liquid content expected.
2 Genus DeterminationDeterminação do Gênero
Separatorbfo:Object (BFO_0000030)
All source definitions consistently position knock out drum as a specialized type of separator. The enriched Separator class (function: SeparationFunction, genus: Vessel) is the most specific appropriate superclass. While ISO 15926 also lists VESSEL, Separator is more specific and captures the separative nature that distinguishes this from general containment vessels.
3 Differentia SpecificaDiferença Específica
∃bearerOf.KnockOutSeparationFunction

Designed specifically to separate relatively small quantities of liquid from a vapor stream, as opposed to other separation functions like three-phase separation or general liquid-liquid separation.

The differentia is the specialized KnockOutSeparationFunction that distinguishes this from other separator types. The 'relatively small quantities' qualifier in all definitions indicates this is not for bulk liquid-vapor separation but for removing entrained liquid from predominantly vapor streams.
4 Necessary PartsPartes Necessárias

No necessary parts recorded.

These parts are essential for the basic knock out separation function - vessel containment, vapor input, cleaned vapor output, and liquid drainage capability.
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
{'type': 'VaporPortion', 'count': 1, 'constraints': 'containing entrained liquid droplets'}
OutputsSaídas
{'type': 'VaporPortion', 'count': 1, 'constraints': 'cleaned, with reduced liquid content'}, {'type': 'LiquidPortion', 'count': 1, 'constraints': 'separated liquid in relatively small quantities'}
TransformationTransformação
gravitational and momentum-based phase separation to remove liquid droplets from vapor stream
The signature reflects the core function: one vapor input stream is transformed into two output streams - a cleaned vapor stream and the knocked-out liquid portion.
Disjoint WithDisjunto com
Compressor Pump HeatExchanger
C4: Compressor, Pump, HeatExchanger. Process signature incompatibility: compressors add mechanical energy to fluids, pumps move liquids with pressure increase, heat exchangers transfer thermal energy between streams, while knock out drums perform passive phase separation
MetadataMetadados
COPI IDCOPI IDCOPI_0000308
IRIIRIhttps://www.inf.ufrgs.br/ontologies/copi/COPI_0000308
StatusStatusexported
Axiom modeModoequivalent
CreatedCriado2026-04-16
UpdatedAtualizado2026-06-28
LLM modelModelo LLMclaude-sonnet-4-20250514
VersionVersão2026-07-13
image/svg+xml
ISA 5.1-2022 — wikimedia/knock_out_drum.svg
Quick factsDados rápidos
GenusGêneroSeparator
Root classClasse raizAssembly
Axiom modeModoequivalent
FunctionFunçãoKnockOutSeparationFunction
ProcessProcessoKnockOutSeparationProcess
PartsPartes0
Source DefinitionsDefinições nas Fontes 3 sources
ISO 15926-4 KNOCK OUT DRUM
Definition text withheld (copyrighted standard) — follow the source link above.Texto da definição omitido (norma protegida por direitos autorais) — acesse o link da fonte acima.
CFIHOS knock out drum
Definition text withheld (copyrighted standard) — follow the source link above.Texto da definição omitido (norma protegida por direitos autorais) — acesse o link da fonte acima.
POSC Caesar Knock Out Drum
Definition text withheld (copyrighted standard) — follow the source link above.Texto da definição omitido (norma protegida por direitos autorais) — acesse o link da fonte acima.