AE 433 – Introduction to Aircraft Gas Turbine Engines

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Presentation transcript:

AE 433 – Introduction to Aircraft Gas Turbine Engines Daniel J. Bodony Department of Aerospace Engineering Department of Mechanical Science & Engineering (Affiliate)

Example: P&W 6000 AE433 Fall 2009

Major components fan & compressor combustor turbine exhaust AE433 Fall 2015

Major components—Description 0. freestream conditions entrance plane of cowl—isentropically decelerate and compress entrance plane of compressor—compress gas by work entrance of combustor—increase gas internal energy by combustion entrance of turbine—extract work to power compressor exit of turbine afterburner—further increase gas internal energy by combustion entrance of nozzle nozzle throat nozzle exit—convert gas internal energy into kinetic energy, i.e., thrust AE433 Fall 2015

Major components— Essential Fluid Mechanics Inlet, compressor, turbine isentropic flow shocks energy exchange via work Combustor combustion “Rayleigh” flow Nozzle quasi-1D gas dynamics {over,under,perfectly}-expanded jet AE433 Fall 2015

Turbo-jet General Electric J85-GE-17A Turbo-fan fan compressor combustor turbine AE433 Fall 2015

Turbo-fan Turbo-fan fan compressor combustor turbine Rolls-Royce Trent 1000 AE433 Fall 2015

Turbo-prop Lycoming T 53 Turbo-prop fan propeller compressor combustor turbine AE433 Fall 2015

Compressor & Turbine How is work done on, extracted from the gas? Elements of airfoil theory & “Euler’s” equation AE433 Fall 2015

So, yes We will still need material covered in AE 311 (incompressible flow) AE 312 (compressible flow) ME 300 (thermodynamics) Plus, we’ll have to develop new, and more advanced concepts AE433 Fall 2015