@prefix isq: .
@prefix smart: .
@prefix rdf: .
@prefix dcterms: .
@prefix skos: .
a isq:Entry ;
rdf:type isq:Quantity ;
rdf:type smart:TermEntry ;
dcterms:identifier "11-4.4" ;
skosxl:prefLabel "Grashof number"@en ;
skosxl:altLabel "Gr"@en ;
skos:definition "quotient of buoyancy forces due to thermal expansion which results in a change of mass density and viscous forces for free convection due to temperature differences, expressed by\n\nstem:[Gr = l^3 g alpha_V Delta T // sf(ii(v))^2]; where\n\nstem:[l]:: is characteristic length (<>),\nstem:[g]:: is acceleration of free fall (<>),\nstem:[alpha_V]:: is thermal cubic expansion coefficient (<>),\nstem:[Delta T]:: is difference of thermodynamic temperature stem:[T] (<>) between surface of the body and the fluid far away from the body, and\nstem:[sf(ii(v))]:: is kinematic viscosity (<>)\n"@en ;
smart:hasBindingnessType "bindingness-type:normative" ;
dcterms:isPartOf ;
skos:note "Heating can occur near hot vertical walls, in pipes, or by a bluff body.\n\nThe characteristic length can be the vertical height of a hot plate, the diameter of a pipe, or the effective length of a body.\n\nSee also Rayleigh number (<>).\n"@en ;
iso:urn .