@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:t11-6.18>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "11-6.18" ;
  skosxl:prefLabel "absorption number"@en ;
  skosxl:altLabel "Ab"@en ;
  skos:definition "relation between mass flow rate and surface area for gas absorption at wetted walls, expressed by\n\nstem:[Ab = k sqrt((ld)/(Dq_V))]; where\n\nstem:[k]:: is the mass transfer coefficient through the surface, stem:[k=k'//rho], where\nstem:[rho]::: is mass density (<<iso80000-4>>), and\nstem:[k']::: is mass flux density through the surface, stem:[k' = q_\"m\"//A], where\nstem:[q_\"m\"]:::: is mass flow rate (<<iso80000-4>>), and\nstem:[A]:::: is area (<<iso80000-3>>),\nstem:[l]:: is length (<<iso80000-3>>) of wetted surface,\nstem:[d]:: is thickness (<<iso80000-3>>) of liquid film,\nstem:[D]:: is diffusion coefficient (<<iso80000-9>>), and\nstem:[q_V]:: is volume flow rate (<<iso80000-4>>) per wetted perimeter\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-11> ;
  iso:urn <urn:iso:std:iso:80000:-11:ed-2:en:item:11-6.18> .
