@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:t7-3.1>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "7-3.1" ;
  skosxl:prefLabel "radiant energy density"@en ;
  skosxl:altLabel "w"@en ;
  skosxl:altLabel "(rho_\"e\")"@en ;
  skos:definition "volumetric density of radiant energy, expressed by\n\n[stem%unnumbered]\n++++\nw = (\"d\"Q_\"e\")/(\"d\"V)\n++++\n\nwhere stem:[Q_\"e\"] is radiant energy (<<t7-2.1>>) in an elementary three-dimensional domain and stem:[V] is the volume (<<iso80000-3>>) of that domain\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-7> ;
  isq:hasUnit [
    skos:notation "J/m^3" ;
    skosxl:prefLabel "joule per cubic metre"@en
  ] ;
  isq:hasUnit [
    skos:notation "kg*m^(-1)*s^(-2)" ;
    skosxl:prefLabel "kilogram per metre second squared"@en
  ] ;
  skos:note "Radiant energy density within a Planckian radiator is given by\n\n[stem%unnumbered]\n++++\nw = (4 sigma)/c_0 T^4\n++++\n\nwhere stem:[sigma] is the Stefan-Boltzmann constant (<<iso80000-1>>), stem:[c_0] is speed of light in vacuum (<<iso80000-1>>) and stem:[T] is thermodynamic temperature (<<iso80000-5>>).\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-7:ed-2:en:item:7-3.1> .