Exam Question

A ship 120m long displaces 12000 tonne. The following data are available from trial results:

V (knots): 10 | 11 | 12 | 13 | 14 | 15

Sp (kW): 880 | 155 | 1520 | 2010 | 2670 | 3600

(a) Draw the curve of Admiralty Coefficients on a base of speed

(b) Estimate the shaft power required for a similar ship 140m long at 14 knots. (16)