Course Objectives:

• To teach the students about the Steam system on merchant ships.

Learning Outcome:

On completion of the course the students are expected to:

• Know the Operation and maintenance of the steam system on merchant ships.

Course content:

Module I: Components of System

• Types of heat exchangers in marine use. Construction of condensers, contra-flow and re-generative condenser tube materials.  Method of connecting tubes, tube plates and covers.  Open and closed feed systems, advantages of regenerative feed   heating;   multi-stage air-ejector, feed control valve, extraction   pump, de-aerators, feed heaters, control of feed system when manoeuvring.   Efficient operation   of feed system and its   maintenance,   fault detection   and rectification, modern developments in heat exchanger design.
• Practice
• Marine Workshop

Module II:  Operation and Maintenance 

• Warming through main propulsion turbines and efficient operation, distortion of turbine casing and rotor. Astern  operation   and  heating,  opening up turbines  for  surveys;   lifting  of  turbine  casing and rotor and inspection;  preventive  maintenance,  turbine trials, energy losses and heat balance.
• Practice
• Marine Workshop
• Engine Simulator

Module III: Marine Gas Turbines                                                                      

• Marine Gas Turbine – Operation principle & Basic construction.
• Characteristics of gas turbine plants, gas turbines Vs. other prime movers, principles, major components, temperature limits, waste heat recovery, maintenance, compressor, turbine types.
• Practice
• Marine Workshop

Text Book

Reference Books:

• Marine Steam Turbines , Marine engineering Practice Vol 1 , Part 8 , Institute of Marine Engineering Publication
• Steam Engineering Knowledge Vol 9, Thomas Reed Publication Ltd.