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Reliability modeling of water system of longwall shearer machine
Shahrood University of Technology.
Shahrood University of Technology.
Shahrood University of Technology.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
2011 (English)In: Archives of Mining Sciences, ISSN 0860-7001, E-ISSN 1689-0469, Vol. 56, no 2, p. 291-302Article in journal (Refereed) Published
Abstract [en]

In cutting machines of mining and construction works, water system has an important and critical role. Due to many aspects and reasons, these machines can not work without water. In longwall mining, the drum shearer performance is highly related to its water system. Any problem in water system of shearer leads the machine to stop automatically; therefore, the reliability of this system is very important in reliability of shearer. In this study, for modeling this system, three subsystems in series network were considered; filters, spray jets and hoses & valves. Then, the field data of water system of drum shearer of Tabas Coal Mine has been collected and analyzed using statistical modeling technique. The results showed that filters subsystem has the highest reliability importance among the subsystems and is defined as the most critical subsystem. In addition, the filters, spray jets and hoses reach the reliability of 80% respectively after about 8.5, 23 and 87 hours.

Place, publisher, year, edition, pages
2011. Vol. 56, no 2, p. 291-302
National Category
Other Civil Engineering
Research subject
Operation and Maintenance
Identifiers
URN: urn:nbn:se:ltu:diva-10577Local ID: 966d724b-c79c-467e-a8e5-f0dfd9b3b8bcOAI: oai:DiVA.org:ltu-10577DiVA, id: diva2:983522
Note
Godkänd; 2011; 20111117 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Hoseinie, HadiKumar, Uday

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