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The system then goes into a process of repair. As soon as the system is repaired, it moves with probability <jats:italic>q<\/jats:italic><jats:sub><jats:italic>i<\/jats:italic><\/jats:sub>\u00a0\u2265\u00a00 to phase <jats:italic>i<\/jats:italic>. In this study, the distribution of the buffer content is determined using the probability generating function. In addition, some numerical results are provided to illustrate the effect of various parameters on the distribution of the buffer content.<\/jats:p>","DOI":"10.1051\/ro\/2020100","type":"journal-article","created":{"date-parts":[[2020,9,11]],"date-time":"2020-09-11T08:51:26Z","timestamp":1599814286000},"page":"S2677-S2690","source":"Crossref","is-referenced-by-count":5,"special_numbering":"Supplement","title":["Fluid <i>M<\/i>\/<i>M<\/i>\/1 catastrophic queue in a random environment"],"prefix":"10.1051","volume":"55","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9027-2354","authenticated-orcid":false,"given":"Sherif I.","family":"Ammar","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"250","published-online":{"date-parts":[[2021,3,2]]},"reference":[{"key":"R1","doi-asserted-by":"crossref","first-page":"171","DOI":"10.1007\/BF01159399","volume":"22","author":"Adan","year":"1996","journal-title":"Queueing Syst."},{"key":"R2","doi-asserted-by":"crossref","first-page":"1497","DOI":"10.1080\/00207160.2013.844799","volume":"91","author":"Ammar","year":"2014","journal-title":"Int. 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