Transcript Section 3.3 – Gas Turbine Fundamentals

Engineering Technology
Division
Power Plant Construction and
QA/QC
Section 3.3 and 3.4 – Gas
Turbine Fundamentals and
Design
Section 3.3 – Gas Turbine Fundamentals
Overview
• Concept – 1791
• First Design – 1872
• Off-shoot from Aircraft Engines
• Materials and Temperatures are problems
• Lower Power Outputs (400 MW) than Coal,
Nat Gas or Nuclear
• Emissions – CO2
• Fuel Type
2
Section 3.3 – Gas Turbine Fundamentals
Typical
3
Section 3.3 – Gas Turbine Fundamentals
Plant
4
Section 3.3 – Gas Turbine Fundamentals
Questions?
5
Section 3.4 – Gas Turbine Design
Overview
• Materials – Compressor and Turbine
• Heat Extraction – Co Generation
• Mass and Speed – Power Optimum
• Alignment
• Operating Range - Speed
6
Section 3.4 – Gas Turbine Design
Working Overview
7
Section 3.4 – Gas Turbine Design
Typical Power Generation Gas Turbine
8
Section 3.4 – Gas Turbine Design
Typical Power Generation Gas Turbine
9
Section 3.4 – Gas Turbine Design
Compressor
10
Section 3.4 – Gas Turbine Design
Combustors
11
Section 3.4 – Gas Turbine Design
Turbine Blades
HP 1st Stage Blade
HP
2nd
Stage Blade
12
Section 3.4 – Gas Turbine Design
Overview
Cooling
Needed
13
Section 3.4 – Gas Turbine Design
Questions?
14