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Statistical estimation of uncertainties associated with ship operations in fresh water ice
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- Cheemakurthy, Harsha (author)
- KTH,Farkost och flyg
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- Zhang, Meng (author)
- KTH,Farkost och flyg
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- Garme, Karl (author)
- KTH,Marina system
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- (creator_code:org_t)
- International Society of Offshore and Polar Engineers, 2018
- 2018
- English.
- In: Proceedings of the International Offshore and Polar Engineering Conference. - : International Society of Offshore and Polar Engineers. - 9781880653876 ; , s. 1608-1615
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- Operational Time Window (OTW) and its confidence level are important for vessels operating in ice covered waters. This can be evaluated by quantifying all contributing factors in terms of their influence along with respective associated uncertainties. For a case study involving a barge operating in Lake Mälaren, Sweden, five criteria are evaluated, and associated uncertainties are quantified using Variation Mode and Effect Analysis (VMEA) to give individual contribution towards overall uncertainty. Ship resistance due to ice and ice loads dominated over other criteria with highest contributions to uncertainty at 28% and 72% respectively.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
Keyword
- Channel Ice
- Confidence Interval
- Effect Analysis (VMEA)
- Finnish-Swedish ice class regulations (FSICR)
- Fish Bone Method
- Fresh Water Ice
- Ice Loads
- Inland Waterways
- Level Ice
- Ship Ice Resistance
- Uncertainty
- Variable Mode
- Arctic engineering
- Marine engineering
- Ships
- Uncertainty analysis
- Water
- Effect analysis
- Fish bones
- Fresh Water
- Ice resistances
- Swedishs
- Ice
Publication and Content Type
- ref (subject category)
- kon (subject category)
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- NATURAL SCIENCES
- NATURAL SCIENCES
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