Syllabus
Course Content:
|
Unit |
Contents |
Contact Hrs. |
|
1. |
Introduction reviews about turbo machinery sub-system Velocity triangles. Efficiencies in Compressor and Turbine stages. Degree of reaction. |
7 |
|
2. |
Dimensionless parameters for Turbomachines. Concept of specific speed, shape number, axial, radial, and mixed flow machines, and similarity laws. |
7 |
|
3. |
Axial flow compressors: Introduction; Aero-Thermodynamics of flow through an Axial flow Compressor stage; Losses in axial flow compressor stage; Losses and Blade performance estimation; Secondary flows (3-D); Tip leakage flow and scrubbing; Simple three-dimensional flow analysis; rotating stall and surging. |
6 |
|
4. |
Centrifugal Compressors: Introduction; Elements of centrifugal compressor/ fan; Inlet Duct Impeller; Slip factor; Concept of Rothalpy; Modified work done; Incidence and lag angles; Diffuser ; Centrifugal Compressor Characteristics; Surging; Chocking; Rotating stall; Design |
8 |
|
5. |
Axial flow turbines – Introduction; Turbine stage; Turbine Blade 2-D (cascade) analysis Work Done; Degree of Reaction; Losses and Efficiency; Flow Passage; Subsonic, transonic and supersonic turbines, Multi-staging of Turbine; Exit flow conditions |
6 |
|
6. |
Turbine Cooling; Turbine Blade design – Turbine Profiles : Airfoil Data and Profile construction. Radial flow turbines: Thermodynamics and Aerodynamics of radial turbines; Radial Turbine Characteristics; Losses and efficiency; Design of radial turbine. |
6 |
|
7. |
Aero-thermodynamics of Compressor-Turbine Systems; Aerodynamic and thermodynamic performance parameters; Optimization techniques for compressor-turbine matching. |
5 |
|
Total |
45 |
|