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About: SAE J2452     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatTiresyago:Artifact100021939yago:Band102784218yago:Hoop103533972yago:Object100002684yago:PhysicalEntity100001930yago:Strip104339291yago:Tire104440749yago:Whole100003553 New Facet based on Instances of this Class

SAE J2452 is a standard defined by the Society of Automotive Engineers to measure the rolling resistance of tires. Where the older standard, SAE J1269, produces measurements of rolling resistance under steady-state (i.e. thermally equilibrated) operating conditions, SAE J2452 produces measurements during a transient history of speed that is intended to mimic a vehicle event. During the SAE J2452 test, the tire is not in thermal equilibrium, but the coastdown event is rapid enough that the tire operates at a roughly iso-thermal condition. The basic model equation for SAE J2452 is: where: