Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2American Society of Mechanical Engineers, 2001 - Arctic regions |
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Page 90
... expected life - cycle cost has been estimated in terms of the future ( repair and deferred production ) costs and of the global availability of the compressors ( De Leon , 2000 ) . The future costs require to be expressed in present ...
... expected life - cycle cost has been estimated in terms of the future ( repair and deferred production ) costs and of the global availability of the compressors ( De Leon , 2000 ) . The future costs require to be expressed in present ...
Page 93
Figure 3. Expected life - cycle costs for compressor C1 . Figure 6. Expected life - cycle costs for compressor C4 . E ( CTL ) ( million dis . ) 38 34 34 30 7 8 9 10 t ( days ) 11 Figure 4. Expected life - cycle costs for compressor C2 ...
Figure 3. Expected life - cycle costs for compressor C1 . Figure 6. Expected life - cycle costs for compressor C4 . E ( CTL ) ( million dis . ) 38 34 34 30 7 8 9 10 t ( days ) 11 Figure 4. Expected life - cycle costs for compressor C2 ...
Page 289
... expected failure cost without maintenance , cost of failure with action ( Ca ) - expected failure cost with maintenance , cost of action ( C ) cost of maintenance , then NPV = Cfna- ( Cfa + Ca ) . ( 2 ) Equation ( 2 ) compares two ...
... expected failure cost without maintenance , cost of failure with action ( Ca ) - expected failure cost with maintenance , cost of action ( C ) cost of maintenance , then NPV = Cfna- ( Cfa + Ca ) . ( 2 ) Equation ( 2 ) compares two ...
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amplitude applied approach Arctic Engineering assessment Bay of Campeche calculated coefficient components Conference on Offshore considered corrosion cost crack growth criteria damage deck defect distribution dynamic effect element equation estimate evaluated evidential reasoning approach factor fatigue Figure FPSO frequency function fuzzy given Guedes Soares hydrostatic test inspection planning installation jack-up linear maintenance marine maximum Mechanics and Arctic method monopod nonlinear North West Shelf obtained Offshore Mechanics offshore structures operations optimal parameters peak pipe pipeline prediction probabilistic probability density probability density function probability of failure procedure random variables reliability analysis reliability index response return period Rio de Janeiro riser risk risk based inspection safety seismic ship significant wave height simulation spectral spectrum statistical steel storm stress structural reliability subsea surface Table temperature theory ultimate strength uncertainty valves velocity water depth Weibull distribution wind