IEVref:192-08-06ID:
Language:enStatus: Standard
Term: mean unavailability
Synonym1: average unavailability
[Preferred]
Synonym2:
Synonym3:
Symbol: U ¯ ( t 1 , t 2 ) MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiqadwfagaqeaiaacIcacaWG0bWaaSbaaSqaaiaaigdaaeqaaOGaaiilaiaaysW7caWG0bWaaSbaaSqaaiaaikdaaeqaaOGaaiykaaaa@3DA9@
Definition: average value of the instantaneous unavailability over a given time interval (t1, t2)

Note 1 to entry: The mean unavailability is related to the instantaneous unavailability U(t) as:

U ¯ ( t 1 , t 2 )= 1 t 2 t 1 t 1 t 2 U(t)dt MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiqadwfagaqeaiaacIcacaWG0bWaaSbaaSqaaiaaigdaaeqaaOGaaiilaiaaysW7caWG0bWaaSbaaSqaaiaaikdaaeqaaOGaaiykaiabg2da9maalaaabaGaaGymaaqaaiaadshadaWgaaWcbaGaaGOmaaqabaGccqGHsislcaWG0bWaaSbaaSqaaiaaigdaaeqaaaaakmaapedabaGaamyvaiaacIcacaWG0bGaaiykaiaaykW7caqGKbGaamiDaaWcbaGaaGPaVlaadshadaWgaaadbaGaaGymaaqabaaaleaacaaMc8UaaGjbVlaadshadaWgaaadbaGaaGOmaaqabaaaniabgUIiYdaaaa@556D@


Publication date:2015-02
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Internal notes:2017-06-02: Cleanup - Remove Attached Image 192-08-061.gif
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