RESISTANCE OF SHIP
Resistance of ship is the opposing force experienced by the body while moving through liquid. Types of Resistance:- 1. Wave making resistance 2. Frictional resistance 3. Viscous pressure drag 4. Eddy making resistance 5. Appendage resistance 6. Wind making resistance Methods to find resistance:- l) From model test - done in towing tanks - models attached to the carriage - platform has a dynamometer from which resistance is measured - resistance tests are done in smooth water 2) From methodical series - test starts with a parent form - a number of significant form parameters are varied - results show how resistance varies with form parameters - useful for estimating power for new designs Different methodical series - Taylor series - BSRA se...