@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:t11-4.15>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "11-4.15" ;
  skosxl:prefLabel "Bejan number"@en ;
  skosxl:altLabel "Be"@en ;
  skos:definition "quotient of mechanical work and frictional energy loss in fluid dynamics in a pipe, expressed by\n\nstem:[Be = (Delta p l^2)/(eta sf(ii(v))) = (rho Delta p l^2)/eta^2]; where\n\nstem:[Delta p]:: is drop of pressure (<<iso80000-4>>) along the pipe,\nstem:[l]:: is characteristic length (<<iso80000-3>>),\nstem:[eta]:: is dynamic viscosity (<<iso80000-4>>),\nstem:[sf(ii(v))]:: is kinematic viscosity (<<iso80000-4>>), and\nstem:[rho]:: is mass density (<<iso80000-4>>).\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-11> ;
  skos:note "A similar number exists for heat transfer (<<t11-5.9>>).\n\nThe kinematic viscosity is also called momentum diffusivity.\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-11:ed-2:en:item:11-4.15> .