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exported equivalent COPI_0000244
Demister
IRI: https://www.inf.ufrgs.br/ontologies/copi/COPI_0000244
Generated onGerado em 2026-04-16
Natural Language DefinitionDefinição em Linguagem Natural
EN
A demister is a separator that bears a demisting function for removing liquid droplets from gas streams through coalescence mechanisms.
PT-BR
Um demister é um separador que possui uma função de desmistificação para remover gotículas de líquido de correntes gasosas através de mecanismos de coalescência.
Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every demister is a separator that has the function of demisting gas streams by coalescing and removing entrained liquid droplets.
First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Definition]∀x (Demister(x) ↔ Separator(x) ∧ ∃f (DemistingFunction(f) ∧ bearerOf(x,f))) — Steps 1–3: genus + identity-giving function [Function axiom: DemistingFunction]∀f (DemistingFunction(f) → ∀p (realizedIn(f,p) → DemistingProcess(p)) ∧ ∃p (DemistingProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised [Process participation signature]∀x ∀f ((Demister(x) ∧ DemistingFunction(f) ∧ bearerOf(x,f)) → ∃m (GasPortion(m) ∧ participatesIn(m,f)) ∧ ∃e1 (GasPortion(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: Demister <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 :DemistingFunction rdf:type owl:Class ; rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :DemistingProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :DemistingProcess ] ; rdfs:label "demisting function"@en ; rdfs:label "função de separação de névoa"@pt-br . ### Process type :DemistingProcess rdf:type owl:Class ; rdfs:subClassOf iof-core:PlannedProcess ; rdfs:label "demisting process"@en ; rdfs:label "processo de separação de névoa"@pt-br . :DemistingProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :GasPortion ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :GasPortion ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :LiquidPortion ] . ### Equipment universal: Demister :Demister 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 :DemistingFunction ] ) ] ; rdfs:label "demister"@en ; rdfs:label "demister"@pt-br ; iof-av:naturalLanguageDefinition "A demister is a separator that bears a demisting function for removing liquid droplets from gas streams through coalescence mechanisms."@en ; skos:definition "A demister is a separator that bears a demisting function for removing liquid droplets from gas streams through coalescence mechanisms."@en ; iof-av:naturalLanguageDefinition "Um demister é um separador que possui uma função de desmistificação para remover gotículas de líquido de correntes gasosas através de mecanismos de coalescência."@pt-br ; iof-av:semiFormalNaturalLanguageAxiom "Every demister is a separator that has the function of demisting gas streams by coalescing and removing entrained liquid droplets."@en ; iof-av:firstOrderLogicAxiom "∀x(Demister(x) ↔ Separator(x) ∧ ∃f(DemistingFunction(f) ∧ bearerOf(x,f)))"@en ; # Disjointness: Demister and Filter [] rdf:type owl:AllDisjointClasses ; owl:members ( :Demister :Filter ) . # Disjointness: Demister and Centrifuge [] rdf:type owl:AllDisjointClasses ; owl:members ( :Demister :Centrifuge ) .
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
DemistingFunction ⊑ DesignedFunction
Realized in
DemistingProcess ⊑ PlannedProcess
The identity-giving function is demisting - the removal of liquid droplets (mist) from gas streams through coalescence and gravity separation. This is distinct from general separation as it specifically targets liquid droplets entrained in gas phase.
2 Genus DeterminationDeterminação do Gênero
Separatorbfo:Object (BFO_0000030)
A demister is a specialized type of separator designed specifically for liquid-gas separation where the liquid phase is dispersed as droplets in the gas. The genus 'Separator' is already enriched in the ontology with SeparationFunction. This is more specific than the generic 'Assembly' but captures the essential separation function.
3 Differentia SpecificaDiferença Específica
∃bearerOf.DemistingFunction

Bears a demisting function that specifically removes liquid droplets from gas streams through coalescence mechanisms.

The differentia is the specific DemistingFunction which is a subtype of SeparationFunction focused on liquid droplet removal from gas streams. This distinguishes it from other separators that target different phase combinations or use different mechanisms.
4 Necessary PartsPartes Necessárias

No necessary parts recorded.

These parts are essential to the demisting function - the demisting element provides coalescence capability while collection surfaces enable drainage of separated liquid.
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
{'type': 'GasPortion', 'count': 1, 'constraints': 'containing entrained liquid droplets'}
OutputsSaídas
{'type': 'GasPortion', 'count': 1, 'constraints': 'reduced liquid droplet content'}, {'type': 'LiquidPortion', 'count': 1, 'constraints': 'coalesced and separated droplets'}
TransformationTransformação
coalescence of liquid droplets and gravity separation from gas phase
Demisters process gas containing liquid droplets and separate into cleaned gas and collected liquid through coalescence and gravitational settling.
Disjoint WithDisjunto com
Filter Centrifuge
C1: Centrifuge. C2: Filter. Filters target solid particles not liquid droplets, and centrifuges use rotational rather than coalescence-based separation mechanisms, making their process signatures incompatible with demisting.
MetadataMetadados
COPI IDCOPI IDCOPI_0000244
IRIIRIhttps://www.inf.ufrgs.br/ontologies/copi/COPI_0000244
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
FunctionFunçãoDemistingFunction
ProcessProcessoDemistingProcess
PartsPartes0
Source DefinitionsDefinições nas Fontes 2 sources
ISO 15926-4 DEMISTER
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 demister
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.