Estimate transom area (At) (m^2) using method in Rakke (2016).

calcAt(Cm, breadth, maxDraft)

Arguments

Cm

Midship area coefficient (vector of numericals, dimensionless) (see calcCm)

breadth

Moulded breadth (vector of numericals, m)

maxDraft

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

Value

At

References

Holtrop, J. and Mennen, G. G. J. 1982. "An approximate power prediction method." International Shipbuilding Progress 29.

Rakke, S. G. 2016. "Ship Emissions Calculation from AIS." NTNU

See also

Examples

calcAt(0.98, 32, 10)
#> [1] 15.9936
calcAt(c(0.98,0.99), c(32,45.5), c(10,15.5))
#> [1] 15.99360 35.60807