EN-3233
Steam and Gas Turbines
Course Description
Covers the principles, design, operation, maintenance, and repair of marine steam turbines including their reduction gears, thrust bearings, couplings, governors, and lubrication systems. Line shafting, bearings, and propellers are other topics included. This course also includes an introduction to the design and operation of gas turbines. [Lab time required]
Entrance Requirements
- Locate and identify all components relating to the training ship's main propulsion plant
- Understand and utilize Mollier chart and steam tables
- Thoroughly understand the operation of the training ship's boilers
Learning Objectives
Demonstrate knowledge and understanding of the following STCW elements:
- OICEW-A4.1 Basic construction and operation principles of marine steam turbines
- OICEW-A4.1 Basic construction and operation principles of marine gas turbines
- OICEW-A4.1 Basic construction and operation principles of shafting installations, including propellers
- OICEW-A4.1 Basic construction and operation principles of purifiers
Demonstrate proficiency in the following skills:
- OICEW-4-2A Respond to engine room alarms
- OICEW-5-1H Start fuel oil or lube oil purifier
- OICEW-5-1I Shut down fuel oil or lube oil purifier
- OICEW-5-2A Light off main boiler
- OICEW-5-2B Secure main boiler
- OICEW-5-2C Bottom blow boiler
- OICEW-5-3B Respond to boiler high water alarm
- OICEW-5-3C Respond to boiler low water alarm
- OICEW-6-1A Transfer fuel
- OICEW-7-1C Pre-start inspection of steam turbo-generator
- OICEW-7-1D Connect ship service diesel generator to main switchboard
Other Objectives
- Prepare the main propulsion turbines aboard the T.S. Enterprise for start up
- Explain the design, construction and operation of steam and gas turbines
Syllabus
- Introduction: Thermodynamics
- Turbine classification
- Turbine staging
- Turbine construction: Blading, rotors
- Turbine construction: Diaphragms, casings
- Couplings
- Reduction gears
- Bearings: Journal and thrust
- Turbine balancing
- Lube oil theory and purification
- Lube oil systems
- Speed control: Throttles, governors
- Turbine operation, start up, securing
- Casualty control
- Maintenance and repair
- Gas turbine construction
- Gas turbine operation
