Estimate actual loaded displacement (actualDisplacement) (m^3) using a vessel's actual draft.

calcActualDisp(Cb, Cbw, actualDraft, maxDraft, maxDisplacement)

Arguments

Cb

Maximum block coefficient (vector of numericals, dimensionless) (see calcCb)

Cbw

Waterline block coefficient (vector of numericals, dimensionless) (see calcCbw)

actualDraft

Actual draft (vector of numericals, m)

maxDraft

Maximum summer load line draft (vector of numericals, m)

maxDisplacement

Maximum ship displacement (vector of numericals, m^3)

Value

actualDisplacement (vector of numericals, m^3)

Details

Loaded displacement is estimated using actual draft. Actual draft is typically obtained from sources such as AIS messages or ship records. Uses Riddlesworth method (MAN, 2011).

References

MAN Energy Solutions. 2011. "Basic Principles of Propulsion." pg. 9.

See also

Examples

calcActualDisp(c(0.82,0.66), c(0.81,0.65), c(12.5,11.1), c(13.6,11.5), c(80097,52382))
#> [1] 74527.44 51337.86
calcActualDisp(0.82, 0.81, 12.5, 13.6, 80097)
#> [1] 74527.44