@prefix isq: .
@prefix smart: .
@prefix rdf: .
@prefix dcterms: .
@prefix skos: .
a isq:Entry ;
rdf:type isq:Quantity ;
rdf:type smart:TermEntry ;
dcterms:identifier "11-5.5" ;
skosxl:prefLabel "Nusselt number "@en ;
skosxl:altLabel "N u"@en ;
skos:definition "relation between the internal thermal resistance of a body and its surface thermal resistance in a body transferring heat from a surface into its interior or vice versa, expressed by\n\nstem:[N]stem:[u = Kl // lambda = Kl // (alpha rho c_p)] where\n\nstem:[K]:: is coefficient of heat transfer (<>) through the surface,\nstem:[l]:: is length (<>) of the body in direction of heat flow,\nstem:[lambda]:: is thermal conductivity (<>) of the surface,\nstem:[alpha]:: is thermal diffusivity (<>),\nstem:[rho]:: is mass density (<>), and\nstem:[c_p]:: is specific heat capacity at constant pressure (<>)\n"@en ;
smart:hasBindingnessType "bindingness-type:normative" ;
dcterms:isPartOf ;
skos:note "The body under consideration can be a solid body, a fluid, or their combination, and additional heat transfer due to convective motion can occur.\n\nIn case of merely conductive heat transfer especially in a solid body, the \"Biot number for heat transfer\" (<>) is used.\n"@en ;
iso:urn .