About: http://webisa.webdatacommons.org/367040353

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Additional energy head losses occur in pipe flow due to the disturbances to pipe flow streamlines triggered by valves and such pipe fittings as bends, sudden expansions and contractions.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com