Course Topics
- SHIP RESISTANCE & POWERING
- Components of ship resistance
- Determination of ship resistance
- Model experiments
- Froude’s Law of comparison
- Effective power calculations
- Ship correlation factor (SCF)
- Admiralty coefficient
- Fuel Coefficient
- Fuel Consumption
- Application of ITTC method
- Propulsion of Ships and Propellers
- Propellers – geometry terminology
- Apparent and real slip
- Power and efficiencies in ship propulsion system
- QPC, Law of similitude
- Model tests with propellers
- Open water characteristics
- Propeller Diagrams
- Wake and wake distribution, Thrust deduction fraction
- Cavitation – cavitating flows, types of propeller cavitation
- Detrimental effects of cavitation
- Criteria for prevention of cavitation
- Special types of propeller arrangements – FPP, CPP
- Propellers in Nozzles, Paddle wheel
- Vertical axis propellers – Voith Schneider, Jet propellers
- Ship model correlation, ship trials
- Propeller Design Theories
- Simple theories of propeller action
- Momentum theory of the propeller
- Blade element theory
- Circulation theory
- Lifting line theory
- Ship Propeller and Machinery Interaction
- Propulsion Machinery layout
- Ship propeller interaction
- Influence of condition of the ship
- Number of propeller blades
- Propeller area ratio, pitch ratio, service condition
- Wake and thrust deduction
- Interaction at extreme loading
- Specification of speed power and rate of revolution
- Choice of design point
- Engine propeller matching
- Choice of propeller, ship trials
- Acceleration and retardation tests
- Rudder Theory
- Basic requirements of rudder
- Physics of control surfaces Properties of hydrofoils – lift and drag
- Action of the Rudder in turning a ship. Rudder nomenclature. Types of rudders
- Area and shape of rudder, position of rudder, stern rudders & bow rudders
- Force on rudder. Torque on stock
- Angle of heel when turning, Controllability of ships, Directional stability definitions
- Measures of manoeuvrability
- Model experiments and full scale manoeuvring trials – course keeping, course changing
- Emergency manoeuvre qualities, turning test
- Z-manoeuvre test, modified Z-manoeuvre test
- Direct spiral test, reversed spiral test, pull-out test, stopping test, stopping inertia test
- New course keeping test, man-overboard test
- Parallel course manoeuvre test, initial turning test
- Accelerating turning test, acceleration / deceleration test
- Thruster test, minimum revolution test, crash ahead test
- Manoeuvrability activities of IMO
- Motion of Ship on Waves
- Theory of Waves
- Trochoidal Waves
- Sinusoidal Waves
- Irregular Wave Pattern
- Wave spectra
- Ship motions
- Forces caused by ship motions
- Anti-rolling devices
SHIP RESISTANCE & POWERING
Components of ship resistance
Determination of ship resistance
Model experiments
Froude’s Law of comparison
Effective power calculations
Ship correlation factor (SCF)
Admiralty coefficient
Fuel Coefficient
Fuel consumption
Application of ITTC method
