Gas Turbine Theory mjh - Gas Turbine Theory Gas Turbine...

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Unformatted text preview: Gas Turbine Theory Gas Turbine Theory and Construction and Construction Introduction Introduction Comprehend the thermodynamic processes occurring in a gas turbine Comprehend the basic components of gas turbine engines and their basic operation Comprehend the support systems associated with gas turbine engines Background Background Aircraft turbojet/turbofan engines are precursors to gas turbines Installed for propulsion in: FFGs DDs DDGs CGs M-1 tanks Also used for electrical generation & auxiliary applications Advantages of GTEs Advantages of GTEs Weight reduction of 70% Simplicity Reduced manning requirements Quicker response time Faster Acceleration/deceleration Modular replacement Less vibrations More economical Disadvantages of GTEs Disadvantages of GTEs Many parts under high stress High pitched noise Needs large quantities of air Large quantities of hot exhaust (target) Cannot be repaired in place Brayton Cycle Brayton Cycle Unlike diesels, operate on STEADY-FLOW cycle Open cycle, unheated engine 1-2: Compression 2-3: Combustion 3-4: Expansion through Turbine and Exhaust Nozzle (4-1: Atmospheric Pressure) Basic Components Basic Components Basic Components Basic Components Basic Components...
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This note was uploaded on 12/24/2009 for the course AEROSPACE engine taught by Professor Prof during the Spring '09 term at École Normale Supérieure.

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Gas Turbine Theory mjh - Gas Turbine Theory Gas Turbine...

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