Teaching GuideTerm
Higher Technical University College of Nautical Science and Naval Engines
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Grao en Máquinas Navais
 Subjects
  Steam and Gas Turbines
   Contents
Topic Sub-topic
1. Cycles of steam and gas turbines. Introduction. Study of the cycles of gas turbines: Ideal cycles. real cycles. open and closed loops. Determination of work and performance in gas turbine cycles. Steam turbine cycles. Rankine cycle. real cycles of steam turbines. Rankine cycle improvements. Determination of powers and yields in steam cycles.
2. Construction elements of steam and gas turbines Introduction. Rotors: description and classification. stresses to which they are subjected. axial thrust. Stators: description and classification. Efforts to which they are subjected. Shutters. nozzles. Nozzle classes. Study of the nozzles. Nozzle project. Palettes: types, function and form. Nozzle vanes: Function and form. Gas turbine compressors. Heat exchangers.2. Construction elements of steam and gas turbines
3. Staggering. Introduction. Turbines classification. Thermodynamic study of the staggering of action, reaction and action-reaction. Study of mixed action and reaction turbines. Calculation of performance in the ideal case. Maximum performance speed.
4. Dynamics of the turbines. Introduction. Dynamics of action, reaction and action-reaction turbines. Force acting on the blades. engine torque Pressure and velocity jumps. Number of sections. Yields. Its calculation in the real case.
5. Economic study of turbine installations. Introduction. Powers. Yields. Specific consumption. Economic study of the installation.
6. Variation of power in the turbines. Introduction. Methods of power variation in turbines. Study in the h-s diagram according to the adopted system. Comparative criticism.
7. Condensers. Introduction. The phenomenon of condensation. Ejectors and vacuum pumps. Accessories. Turbine condensers: Characteristics. optimal pressure. Types of capacitors. Ejectors: Your calculation. Heat transfer in condensers. Calculation of capacitors. Capacitor design criteria.7. capacitors.
8. Combustion in gas turbines. Introduction. Chemical process of combustion, amount of air necessary for combustion, the rate of excess air. Fuels used in gas turbines. Fuel pumps and injection valves. Combustion chambers.
9. Combined cycles. Introduction. Thermodynamic fundamentals of a combined cycle. Yields.
10. Driving installations of steam and gas turbines. Driving turbine installations. Commissioning of the auxiliary devices necessary for the operation of the turbines. Warming up and getting ready to go out to sea. Driving during operation and stop.
STCW. The development and improvement of these contents, together with those corresponding to other subjects that include the acquisition of specific competences of the degree, guarantee the knowledge, understanding and sufficiency of the competences included in table AIII/2, of the STCW Agreement, related to the management level of First Engineer Officer of the Merchant Navy, without power limitation of the propulsion plant and Chief Engineer of the Merchant Navy up to a maximum of 3000 kW Table A-III/2 of the STCW Convention.
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