INSTITUTO TECNOLÓGICO DE AERONÁUTICA CENTER FOR REFERENCE ON GAS TURBINES GAS TURBINE GROUP

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1 GAS TURBINE GROUP 2012

2 Background The Campus Engineering Departments Laboratories Center for Reference on Gas Turbines

3 The Campus INSTITUTO TECNOLÓGICO DE AERONÁUTICA

4 The Campus INSTITUTO TECNOLÓGICO DE AERONÁUTICA

5 ITA Engineering Departments Aeronautical Engineering Electronic Engineering Mechanical- Aeronautical Engineering Civil Engineering (Aeronautical) Computation Engineering Aerodynamics Structures Propulsion Flight Mechanics Airplane Design Applied Eletronics Microwaves and Circuits Control Systems Telecom. Energy Design Organization Technology Gas Turbines Edifications Geotechnical Hidraulics Airports Transport Scientific Computation Software Engineering Computational Theory

6 Laboratories Center for Reference on Gas Turbines Created after El Paso Rio Claro granted funds under special ANEEL permission to adequate an old building to house the Gas Turbine Group and to provide computational resources to support research on gas turbines and gas turbines applications

7 Laboratories INSTITUTO TECNOLÓGICO DE AERONÁUTICA

8 Laboratories Center for Reference on Gas Turbines

9 Laboratories Center for Reference on Gas Turbines Professional MSc

10 Center for Reference on Gas Turbines Class rooms Chemical Laboratory

11 Center for Reference on Gas Turbines Gas Turbine (PT6) Cutview

12 Center for Reference on Gas Turbines Collaborative Projects with the Aeronautical and Space Institute

13 Center for Reference on Gas Turbines Collaborative Projects with the Aeronautical and Space Institute

14 Center for Reference on Gas Turbines Areas of Interest Gas Turbine Techonology and Power Plants Axial and Centrifugal Compressors Axial and Centrifugal Turbines Water Injection and Humid Air at Compressor Inlet Combustion Chambers Low Emissions Technology Gas Turbine Performance Prediction (all types) Numerical Methods in Gas Turbines - CFD Optimizations of Computational Codes Paralelization of Computational Codes Noise Prediction in Gas Turbines Turbine Blades Cooling Deterioration and Faults Identification in Gas Turbines Corrosion and Thermal Barriers

15 Improvements to the chemical labs Improvements to the flow machines labs Master and Doctoral Programs Test facilities for gas turbines Test facilities for compressors and turbines Test facilities for gas turbine air filters Industry Sponsored Projects of R&D Development of computational codes

16 Computational Codes Development: Gas Turbine Performance Prediction Steady-State and Transient Regimes Variable Geometry in Compressors, Turbines and Nozzles Compressors and Turbines Design and Performance Prediction Meanline Code - DP and ODP Streamline Curvature Code (SLC) DP and ODP CFD Internal and/or External Flows in Turbomachinery 3-D Euler, viscous and turbulent flows Combustion Chamber Design Fault Identification using GPA, NL-GPA, Neural Networks, and Fuzzy Logic

17 Axial Compressor Meanline Code: VIGV + VSV + BOV + Different Loss Models 14,0 0,90 12,0 0,85 Pressure ratio 10,0 8,0 6,0 4,0 Efficiency 0,80 0,75 0,70 Reference AFCC 1st Analysis 2nd Analysis 3th Analysis 4th Analysis 2,0 0,65 0,0 0,0 2,0 4,0 6,0 8,0 10,0 12 0,60 3,0 4,0 5,0 6,0 7,0 8,0 9,0 10,0 11,0 Mass flow (kg/s) Mass Flow (kg/s)

18 Axial Compressor Meanline Code: Optimization Model Incidence Comparison (Optimized Compressor) Incidence Comparison (Optimized Compressor) nominal incidence nominal incidence Incidence (º) stall incidence minimum loss incidence calculated incidence Incidence (º) stall incidence minimum loss incidence calculated incidence Rotor Rotor

19 Axial Compressor Meanline and Engine Performance Prediction Codes

20 Axial Compressor Meanline and Engine Performance Prediction Codes

21 Engine Transient Performance Prediction

22 3-Stage Axial Flow Compressor - SLC vs CFD % Span R1 inlet SLC R1 inlet CFD Mach number % Span Mach number R2 inlet SLC R2 inlet CFD % Span Mach number R3 inlet SLC R3 inlet CFD

23 Axial Compressor Operating with Humid Air and Water Injection SLC

24 CFD Verification Cases

25 Airfoil withtransonic Flow and Nozzle with Supersonic Flow

26 Turbomachinery 3D CAD and Mesh Generation

27 Turbomachinery 3D Mesh Generation

28 Turbomachinery 3D Turbulent Flow Prediction Total Pressure Distribution NGV (absolute values) and Rotor (relative values) % Spanwise Total Pressure [Pa] NGV LE: centered NGV TE: centered Rotor LE: centered Rotor TE: centered NGV LE: FDS NGV TE: FDS Rotor LE: FDS Rotor TE: FDS

29 Turbomachinery 3D Turbulent Flow Prediction Total Temperature Distribution NGV (absolute values) and Rotor (relative values) % Spanwise Total Temperature [k] Rotor TE: centered Rotor TE: FDS Outlet: centered Outlet: FDS

30 Turbomachinery 3D Turbulent Flow Prediction Mach number Distribution NGV (absolute values) and Rotor (relative values) % Spanwise ,2 0,4 0,6 0,8 1 1,2 Mach number NGV LE: S-A NGV TE: S-A Rotor LE: S-A Rotor TE: S-A NGV LE: SST NGV TE: SST Rotor LE: SST Rotor TE: SST

31 Turbomachinery 3D Turbulent Flow Prediction Total Pressure Distribution - Inter-Blade Rows NGV (absolute values) and Rotor (relative values) % Spanwise Total Pressure [Pa] NGV MPlane: 5 div Rotor MPlane: 5 div NGV MPlane: 10 div Rotor MPlane: 10 div NGV MPlane: L-B-L Rotor MPlane: L-B-L

32 Turbomachinery 3D Turbulent Flow Prediction

33 Turbomachinery 3D CAD and Mesh Generation

34 Turbomachinery 3D CAD and Mesh Generation

35 Turbofan Nacelle = Design and 3D Turbulent Flow Prediction

36 Reverser Cascade Design for Turbofan Engine

37 Paralelization of CFD Computational Code

38 Paralelization of CFD Computational Code

39 Preliminary Centrifugal Compressor Design and Stress Prediction '

40 Neural Networks and Optimization Studies

41 Engine Performance - Variation of Turbine Blade Cooling with Different TIT

42 TAPP Gas Generator Vibration and Lubrification Test Stand

43 TAPP Data Acquisition Software

44 TAPP Internal View Turbojet: 5.0 KN Turboshaft: 1.2 MW

45 Thank you for your attention!