@prefix isq: <https://w3id.org/standards/isq/ontologies/core/> .
@prefix smart: <https://example.org/smart-sdu/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<isq:t11-4.2>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "11-4.2" ;
  skosxl:prefLabel "Euler number"@en ;
  skosxl:altLabel "Eu"@en ;
  skos:definition "relationship between pressure drop in a flow and the kinetic energy per volume for flow of fluids in a pipe, expressed by\n\nstem:[Eu = (Delta p)/(rho v^2)]; where\n\nstem:[Delta p]:: is drop of pressure (<<iso80000-4>>),\nstem:[rho]:: is mass density (<<iso80000-4>>), and\nstem:[v]:: is speed (<<iso80000-3>>)\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-11> ;
  skos:note "The Euler number is used to characterize losses in the flow.\n\nA modification of the Euler number is considering the dimensions of the containment (pipe):\n\nstem:[Eu' = d/l Eu]; where\n\nstem:[d]:: is inner diameter (<<iso80000-3>>) of the pipe, and\nstem:[l]:: is length (<<iso80000-3>>).\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-11:ed-2:en:item:11-4.2> .