Presentation 2013-12-13
Study on Unavailability of a Ship Propulsion System
Tadatsugi Okazaki, Nobuo Mitomo,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) Accidents due to the malfunction of ship propulsion system may occur when the ship is in heavy traffic sea lane, or when the ship is under berth maneuvering. Marine pilots in Japan are trained using ship maneuvering simulators to avoid accidents under such adverse conditions. It is educationally effective to illustrate quantitatively the likelihood of malfunction of ship propulsion systems on aging ships. Unavailability of a ship propulsion system under aging effects is estimated using time-dependent technique. The results show that the aging effects can potentially increase the frequency of accidents due to a malfunction of the propulsion system by a factor of two over a period of 35 years.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Ship propulsion system / Aging effects / Time-dependent unavailability
Paper # R2013-83
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Conference Information
Committee R
Conference Date 2013/12/6(1days)
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Paper Information
Registration To Reliability(R)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Study on Unavailability of a Ship Propulsion System
Sub Title (in English)
Keyword(1) Ship propulsion system
Keyword(2) Aging effects
Keyword(3) Time-dependent unavailability
1st Author's Name Tadatsugi Okazaki
1st Author's Affiliation Faculty of Marine Engineering, Tokyo University of Marine Science and Technology()
2nd Author's Name Nobuo Mitomo
2nd Author's Affiliation College of Industrial Technology, Nihon University
Date 2013-12-13
Paper # R2013-83
Volume (vol) vol.113
Number (no) 348
Page pp.pp.-
#Pages 5
Date of Issue