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Computational Fluid Dynamics - Turbomachinery Aerodynamics - Lecture Slides, Slides of Turbomachinery
Some concept of Turbomachinery Aerodynamics are Axial Flow Compressors, Axial Turbine Design Considerations, Blade Performance, Engine Performance Significantly, Flows Through Axial Compresso. Main points of this lecture are: Computational Fluid Dynamics, Turbomachineries, Axial Flow, Flow Compressors, Fans, Axial Flow, Compressor Stage, 3-D Flow Analysis, Axial Compressor Characteristics, Airfoil
Typology: Slides
2012/2013
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Turbomachinery Aerodynamics
Bhaskar Roy A M Pradeep
Aerospace Engineering Department
I.I.T., Bombay
A Video course by
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- Axial flow turbines : Turbine stage; Turbine
Blade 2-D analysis ; Work Done and Degree of
Reaction; Losses and Efficiency; Flow Passage and
flow track in multi-stage turbines; Subsonic,
Transonic and Supersonic turbines; Multi-staging of
Turbine; Exit flow conditions; Turbine blade
cooling; Turbine Blade design – Turbine Profiles ;
Airfoil Data and Profile construction;3-D blade
design
Course Outline
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Course Outline
- Centrifugal Compressors :Introduction;
Elements of centrifugal compressor/ fan; Inlet
Duct ; Impeller flow; Effect of Slip factor; Concept
of Rothalpy; Ideal and real work done; Incidence
and lag angles; Diffuser ; Centrifugal Compressor
Characteristics ; Surging and Rotating stall;
Design variants of modern centrifugal compressors
- Radial Turbine: Introduction; Thermodynamics
and Aerodynamics of radial turbines; Radial
Turbine Characteristics; Losses and efficiency;
Design of radial turbine
- Use of CFD for Turbomachinery analysis and
design
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Text/References
- Nicholas Cumpsty, Compressor Aerodynamics ,
2004, Kreiger Publications, USA
- Johnson I.A., Bullock R.O. NASA-SP-36 , Axial Flow
Compressors , 2002 (re-release), NTIS
- NASA-SP-290, Axial Flow turbines , 2002 (re-
release), NTIS, USA.
- J H Horlock, Axial flow compressors , Butterworths,
1958, UK
- J H Horlock, Axial Flow Turbines , Butterworths,
1965, UK
- B Lakshminarayana; Fluid Mechanics and Heat
Transfer in turbomachineries , 1995, USA
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Suggested /Additional Readings
1) Oates Gordon C; Aerothermodynamics of
Aircraft Engine Components ; AIAA series,
2) IGTI/ASME; The design of Gas Turbine
Engines Thermodynamics and Aerodynamics
(chapter 8 and 10) , 2005, American Society of
Mechanical Engineers (with video lectures)
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10 Full Radial Equilibrium Equation and Streamline curvature theory
BR
11 Axial compressor characteristics - Single stage, Multi-stage and Multi-spool characteristics
AMP
12 Instability in Axial Compressors : Types of distortions
AMP
13 Inlet Distortion and Rotating Stall AMP 14 Compressor Instability and control mechanisms BR
15 Design of compressor blades- Airfoil Design – subsonic, transonic ,supersonic profiles
BR
16 · Transonic Compressors and Shock Structure models, Transonic Compr. Characteristics
BR
17 · Axial Flow Track Design ; Inter-spool duct ; 3-D Blade shapes of Rotors and Stators
BR
18 Noise problem in Axial Compressors and Fans BR
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19 Axial flow turbines : Introduction to turbine aerothermodynamics
BR
20 Axial flow turbines : Turbine Blade 2-D (cascade) analysis
AMP
21 Axial flow turbines : Work Done, Degree of Reaction, Losses and Efficiency
AMP
22 Axial flow turbines : Blade and Axial Flow Passages, Exit flow matching with nozzle
AMP
23 Tutorial -3 : Axial Flow Turbines AMP
24 Multi-staging and Multi-spooling of Turbine
BR
25 3-D flows in Turbine : 3-D flow theories
- Free vortex theories etc.
BR
26 Tutorial – 4 : 3-D flows in Axial low Turbines
BR
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34 Design of Centrifugal Compressors : Design of impellers
BR
35 Design of subsonic and supersonic vaned diffusers, vaneless volutes
BR
36 Radial Turbine : Thermodynamics and Aerodynamics of radial turbines
AMP
37 Radial Turbine Characteristics BR
38 Tutorial – 6 : Radial Turbines and Quiz-
BR
39 Design of Radial Turbines BR
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40 CFD for Turbomachinery: Computer aided blade profiles and cascade analysis
BR
41 Grid generation, Periodicity and Boundary Conditions and Flow Analysis
AMP
42 3-D blade generation and analysis using CFD
BR
43 Flow track and inter-spool duct analysis and design using CFD
AMP
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- Heat Engines require
compression before
combustion for
efficient combustion
- Compressed burnt gas
facilitates turbine work
production
- For jet engines Jet
thrust creation requires
compressed gas
expansion through jet
nozzle
Jet Thrust
Turbine Power to Compr
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Fan
Compressor Turbine
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