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exported equivalent COPI_0000276
Flash Drum
IRI: https://www.inf.ufrgs.br/ontologies/copi/COPI_0000276
Generated onGerado em 2026-04-16
Natural Language DefinitionDefinição em Linguagem Natural
EN
A flash drum is a separator that performs flash vaporization to separate lighter components (which vaporize and are drawn off at the top) from heavier components (which remain liquid and are drawn off at the bottom).
PT-BR
Um tambor de flash é um separador que realiza vaporização flash para separar componentes mais leves (que vaporizam e são retirados no topo) de componentes mais pesados (que permanecem líquidos e são retirados no fundo).
Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every flash drum is a separator that bears a flash vaporization function and has a vapor outlet, liquid outlet, and feed inlet.
First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Definition]∀x (FlashDrum(x) ↔ Separator(x) ∧ ∃f (FlashVaporizationFunction(f) ∧ bearerOf(x,f))) — Steps 1–3: genus + identity-giving function [Function axiom: FlashVaporizationFunction]∀f (FlashVaporizationFunction(f) → ∀p (realizedIn(f,p) → FlashVaporizationProcess(p)) ∧ ∃p (FlashVaporizationProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised [Process participation signature]∀x ∀f ((FlashDrum(x) ∧ FlashVaporizationFunction(f) ∧ bearerOf(x,f)) → ∃m (MultiphaseFluidPortion(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: FlashDrum <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 :FlashVaporizationFunction rdf:type owl:Class ; rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :FlashVaporizationProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :FlashVaporizationProcess ] ; rdfs:label "flash vaporization function"@en ; rdfs:label "função de vaporização flash"@pt-br . ### Process type :FlashVaporizationProcess rdf:type owl:Class ; rdfs:subClassOf iof-core:PlannedProcess ; rdfs:label "flash vaporization process"@en ; rdfs:label "processo de vaporização flash"@pt-br . :FlashVaporizationProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :MultiphaseFluidPortion ] ; 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: FlashDrum :FlashDrum 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 :FlashVaporizationFunction ] ) ] ; rdfs:label "flash drum"@en ; rdfs:label "tambor de flash"@pt-br ; iof-av:naturalLanguageDefinition "A flash drum is a separator that performs flash vaporization to separate lighter components (which vaporize and are drawn off at the top) from heavier components (which remain liquid and are drawn off at the bottom)."@en ; skos:definition "A flash drum is a separator that performs flash vaporization to separate lighter components (which vaporize and are drawn off at the top) from heavier components (which remain liquid and are drawn off at the bottom)."@en ; iof-av:naturalLanguageDefinition "Um tambor de flash é um separador que realiza vaporização flash para separar componentes mais leves (que vaporizam e são retirados no topo) de componentes mais pesados (que permanecem líquidos e são retirados no fundo)."@pt-br ; iof-av:semiFormalNaturalLanguageAxiom "Every flash drum is a separator that bears a flash vaporization function and has a vapor outlet, liquid outlet, and feed inlet."@en ; iof-av:firstOrderLogicAxiom "∀x(FlashDrum(x) ↔ Separator(x) ∧ ∃f(FlashVaporizationFunction(f) ∧ bearerOf(x,f)))"@en ; # Disjointness: FlashDrum and Filter [] rdf:type owl:AllDisjointClasses ; owl:members ( :FlashDrum :Filter ) . # Disjointness: FlashDrum and Centrifuge [] rdf:type owl:AllDisjointClasses ; owl:members ( :FlashDrum :Centrifuge ) . # Disjointness: FlashDrum and Hydrocyclone [] rdf:type owl:AllDisjointClasses ; owl:members ( :FlashDrum :Hydrocyclone ) .
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
FlashVaporizationFunction ⊑ DesignedFunction
Realized in
FlashVaporizationProcess ⊑ PlannedProcess
Flash vaporization is the identity-giving function - the process of sudden pressure/temperature change causing lighter components to vaporize while heavier components remain liquid. This is distinct from other separation functions like filtration or centrifugal separation.
2 Genus DeterminationDeterminação do Gênero
Separatorbfo:Object (BFO_0000030)
Flash drum is clearly a type of separator (already enriched in our ontology) that performs phase separation. While it could be considered a vessel, Separator is more specific and captures the functional nature. The parent_candidates show VESSEL as a superclass, but Separator better captures the equipment category for industrial classification purposes.
3 Differentia SpecificaDiferença Específica
∃bearerOf.FlashVaporizationFunction

Performs flash vaporization where lighter components spontaneously vaporize due to pressure/temperature change and are separated from heavier liquid components.

The flash vaporization function is the minimal differentiating condition that distinguishes this from other separators. All flash drums perform this specific type of separation where phase change occurs due to pressure/temperature conditions rather than external forces or filtration.
4 Necessary PartsPartes Necessárias

No necessary parts recorded.

These three ports are essential for the flash separation process - one for feed input, one for vapor product removal, and one for liquid product removal. The vessel structure is inherited from the Separator genus.
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
{'type': 'MultiphaseFluidPortion', 'count': 1, 'constraints': 'mixed-phase or liquid at conditions where flash vaporization can occur'}
OutputsSaídas
{'type': 'VaporPortion', 'count': 1, 'constraints': 'light components in vapor phase'}, {'type': 'LiquidPortion', 'count': 1, 'constraints': 'heavy components in liquid phase'}
TransformationTransformação
phase separation by flash vaporization - pressure/temperature change causes selective vaporization
Flash drums take a mixed or liquid stream and separate it into vapor (light components) and liquid (heavy components) through spontaneous vaporization. This signature is distinct from other separation processes.
Disjoint WithDisjunto com
Filter Centrifuge Hydrocyclone
C1: Centrifuge. C2: Filter, Hydrocyclone. Flash drums use phase change separation which is incompatible with physical filtration (Filter), centrifugal force separation (Centrifuge), or cyclonic separation (Hydrocyclone). These represent fundamentally different separation mechanisms.
MetadataMetadados
COPI IDCOPI IDCOPI_0000276
IRIIRIhttps://www.inf.ufrgs.br/ontologies/copi/COPI_0000276
StatusStatusexported
Axiom modeModoequivalent
CreatedCriado2026-04-16
UpdatedAtualizado2026-06-28
LLM modelModelo LLMclaude-sonnet-4-20250514
VersionVersão2026-07-13
Quick factsDados rápidos
GenusGêneroSeparator
Root classClasse raizAssembly
Axiom modeModoequivalent
FunctionFunçãoFlashVaporizationFunction
ProcessProcessoFlashVaporizationProcess
PartsPartes0
Source DefinitionsDefinições nas Fontes 2 sources
ISO 15926-4 FLASH 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 flash 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.