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exported necessary COPI_0000102
Centrifugal Pump
IRI: https://www.inf.ufrgs.br/ontologies/copi/COPI_0000102
Generated onGerado em 2026-04-12
Natural Language DefinitionDefinição em Linguagem Natural
EN
A centrifugal pump is a pump that uses centrifugal force generated by rotating impellers with vanes to increase fluid pressure through a volute casing.
PT-BR
Uma bomba centrífuga é uma bomba que usa força centrífuga gerada por impulsores rotativos com pás para aumentar a pressão do fluido através de uma carcaça voluta.
Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every centrifugal pump is a pump that has a pumping function and has an impeller and a volute as component parts.
First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Necessary condition]∀x (CentrifugalPump(x) → Pump(x) ∧ ∃f (PumpingFunction(f) ∧ bearerOf(x,f))) — Steps 1–3: genus + identity-giving function [Function axiom: PumpingFunction]∀f (PumpingFunction(f) → ∀p (realizedIn(f,p) → PumpingProcess(p)) ∧ ∃p (PumpingProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised [Structural differentia (necessary only)]∀x (CentrifugalPump(x) → ∃hasComponentPartAtAllTimes.CentrifugalImpeller ⊓ ∃hasComponentPartAtAllTimes.VoluteCasing) — Step 3: structural property — necessary condition, not sufficient (OWA prevents ≡) [Necessary part: Impeller]∀x (CentrifugalPump(x) → ∃p (Impeller(p) ∧ hasComponentPartAtAllTimes(x,p))) — Step 4: mereological commitment — every instance must have this part [Necessary part: Volute]∀x (CentrifugalPump(x) → ∃p (Volute(p) ∧ hasComponentPartAtAllTimes(x,p))) — Step 4: mereological commitment — every instance must have this part [Process participation signature]∀x ∀f ((CentrifugalPump(x) ∧ PumpingFunction(f) ∧ bearerOf(x,f)) → ∃m (PortionOfFluid(m) ∧ participatesIn(m,f)) ∧ ∃e (PortionOfFluid(e) ∧ participatesIn(e,f)) ∧ processType(f,PressureIncrease)) — 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: CentrifugalPump <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 "2026-10-08"^^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 :PumpingFunction rdf:type owl:Class ; rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :PumpingProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :PumpingProcess ] ; rdfs:label "pumping function"@en ; rdfs:label "função de bombeamento"@pt-br . ### Process type :PumpingProcess rdf:type owl:Class ; rdfs:subClassOf :MomentumTransfer ; rdfs:label "pumping process"@en ; rdfs:label "processo de bombeamento"@pt-br . :MomentumTransfer rdf:type owl:Class . :PumpingProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :PortionOfFluid ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom :PortionOfFluid ] . ### Equipment universal: CentrifugalPump :CentrifugalPump rdf:type owl:Class ; rdfs:subClassOf :Pump ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart) owl:someValuesFrom :PumpingFunction ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasComponentPartAtAllTimes ; owl:someValuesFrom :Impeller ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasComponentPartAtAllTimes ; owl:someValuesFrom :Volute ] ; rdfs:label "centrifugal pump"@en ; rdfs:label "bomba centrífuga"@pt-br ; iof-av:naturalLanguageDefinition "A centrifugal pump is a pump that uses centrifugal force generated by rotating impellers with vanes to increase fluid pressure through a volute casing."@en ; skos:definition "A centrifugal pump is a pump that uses centrifugal force generated by rotating impellers with vanes to increase fluid pressure through a volute casing."@en ; iof-av:naturalLanguageDefinition "Uma bomba centrífuga é uma bomba que usa força centrífuga gerada por impulsores rotativos com pás para aumentar a pressão do fluido através de uma carcaça voluta."@pt-br ; iof-av:semiFormalNaturalLanguageAxiom "Every centrifugal pump is a pump that has a pumping function and has an impeller and a volute as component parts."@en ; iof-av:firstOrderLogicAxiom "∀x (CentrifugalPump(x) → (Pump(x) ∧ ∃f(PumpingFunction(f) ∧ hasFunction(x,f)) ∧ ∃p(Impeller(p) ∧ hasComponentPartAtAllTimes(x,p)) ∧ ∃q(Volute(q) ∧ hasComponentPartAtAllTimes(x,q))))"@en ; iof-av:isPrimitive "true"^^xsd:boolean ; iof-av:primitiveRationale "Constructive classification based on physical mechanism. Under Open World Assumption, any equipment with centrifugal impellers and volute casing could be inferred as a standard centrifugal pump, potentially misclassifying specialized hybrid equipment or complex pump systems that contain centrifugal stages but serve different operational roles."@en ; :Impeller rdf:type owl:Class ; rdfs:subClassOf iof-core:MaterialArtifact ; rdfs:label "impulsor"@pt-br ; rdfs:label "impeller"@en . :Volute rdf:type owl:Class ; rdfs:subClassOf iof-core:MaterialArtifact ; rdfs:label "volute"@en . # Disjointness: CentrifugalPump and PositiveDisplacementPump [] rdf:type owl:AllDisjointClasses ; owl:members ( :CentrifugalPump :PositiveDisplacementPump ) .
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
PumpingFunction ⊑ DesignedFunction
Realized in
PumpingProcess ⊑ MomentumTransfer
Reusing the existing PumpingFunction from the already-enriched 'pump' class, as centrifugal pumps perform the same identity-giving function of moving fluids by adding energy. The constructive differentia comes from the specific mechanism (centrifugal force via impellers).
2 Genus DeterminationDeterminação do Gênero
Pumpbfo:Object (BFO_0000030)
From parent_candidates, 'Pump' is the most specific appropriate superclass and is already enriched in our ontology. Centrifugal pump is clearly a subtype of pump, sharing the same functional identity but distinguished by its specific mechanical implementation. 'Rotating Equipment' is too broad and crosses multiple equipment categories.
3 Differentia SpecificaDiferença Específica
∃hasComponentPartAtAllTimes.CentrifugalImpeller ⊓ ∃hasComponentPartAtAllTimes.VoluteCasing

Distinguished from other pumps by having centrifugal impellers with vanes that generate centrifugal force and a volute casing that converts this force to pressure.

The centrifugal impeller is the key component that creates centrifugal force, and the volute casing converts this kinetic energy to pressure. These are the minimal structural elements that distinguish centrifugal pumps from all other pump types.
4 Necessary PartsPartes Necessárias
Part classParentRelation
ImpellerMaterialArtifacthasComponentPartAtAllTimes
VoluteMaterialArtifacthasComponentPartAtAllTimes
These parts represent the minimal physical components required for centrifugal pumping operation. The impeller and volute are specific to centrifugal design, while the shaft is necessary for power transmission.
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
{'type': 'PortionOfFluid', 'count': 1, 'constraints': 'liquid or gas at suction conditions'}
OutputsSaídas
{'type': 'PortionOfFluid', 'count': 1, 'constraints': 'same fluid at higher pressure and kinetic energy'}
TransformationTransformação
kinetic energy imparted to fluid via centrifugal force, converted to pressure energy
Centrifugal pumps take a single fluid stream and increase its pressure through centrifugal force mechanism, maintaining mass continuity while adding energy
Disjoint WithDisjunto com
PositiveDisplacementPump
C1: PositiveDisplacementPump. Different energy transfer mechanisms: centrifugal force vs volumetric displacement vs axial momentum. These represent mutually exclusive operational principles for fluid energy addition.
MetadataMetadados
COPI IDCOPI IDCOPI_0000102
IRIIRIhttps://www.inf.ufrgs.br/ontologies/copi/COPI_0000102
StatusStatusexported
Axiom modeModonecessary
CreatedCriado2026-04-12
UpdatedAtualizado2026-09-09
LLM modelModelo LLMclaude-sonnet-4-20250514
VersionVersão2026-10-08
ISA 5.1-2022 — wikimedia/pump_centrifugal.svg
Quick factsDados rápidos
GenusGêneroPump
Root classClasse raizAssembly
Axiom modeModonecessary
FunctionFunçãoPumpingFunction
ProcessProcessoPumpingProcess
PartsPartes2
Source DefinitionsDefinições nas Fontes 5 sources
ISO 15926-4 CENTRIFUGAL PUMP
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 centrifugal pump
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.
SLB Glossary centrifugal pump
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.
ONEPETRO_GLOSSARY Centrifugal pump
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 Centrifugal Pump
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.
Provenance tiersCamadas de proveniência
primarystandardverbatimiso15926
A <CENTRIFUGAL PUMP> is an <ARTEFACT> and a <PUMP> in which centrifugal force imparted by impeller is convered to pressure in the volute casing. NOTE - Combine with either BARE PUMP or PUMP SYSTEM,
secondarystandardverbatimcfihos
A dynamic pump that contains impellers provided with vanes to generate centrifugal force to achieve the required pressure head.
secondarystandardverbatimslb_glossary
A type of pump commonly used in the handling and mixing of oilfield fluids.
secondarystandardverbatimonepetro_glossary
Pump with an impeller or rotor that spins in a housing and the drag forces on the fluids cause them to flow.
secondarystandardverbatimposc_caesar
A dynamic pump utilizing impellers provided with vanes generating centrifugal force to achieve the required pressure head.

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