Contents

• 1. Basic Concepts of Turbomachines

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  Introduction, Definition and Parts of Turbomachines, Classification of Turbomachines, Simple Turbine, Cascade View of the Simple Turbine, Velocity Triangles in Turbomachinery, Velocity Components, Basic Laws and Governing Equations, Basic Laws, Basic Laws of Fluid Dynamics, Dimensional Analysis Applied to Hydraulic Machines, Units and Dimensions, Buckingham’s ?-Theorem, Principle of Similarity, Non–Dimensional Specific Speed, Range of Specific Speeds for Various Turbomachines, Dimensional Analysis Applied to Compressible Flow Machines, Solved Examples, Review Questions.
   
  2. Centrifugal Pumps

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  Introduction, Classification of Pumps, Classification of Centrifugal Pumps, Main Parts of Centrifugal Pumps, Work Done and Velocity Diagram, Working Principle of Centrifugal Pump, Slip and Slip Factor, Head of Centrifugal Pump, Pump Losses and Efficiencies, Pump Efficiencies, Minimum Starting Speed, Net Positive Suction Head, Performance Curves (Characteristic Curves), Solved Examples, Review Questions.
   
  3. Axial Flow Pumps

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  Introduction, Description and Components of an Axial Flow Pump, Velocity Triangles, The Work Done on the Fluid, Energy Transfer, Axial Pump Characteristics, Head Developed by Axial Flow Pump, Cavitation, Methods of Avoiding Cavitation, Effects of Cavitation, Comparison between Axial Flow and Centrifugal Pump, Pump Selection Process, Solved Examples, Review Questions.
   
  4. Centrifugal Compressors and Fans

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  Introduction, Components and Description of Centrifugal Compressor, Principle of Operation, Velocity Diagrams, Entry and Exit Velocity Triangle, Euler’s Work Done by Impeller, Prewhirl, Slip Factor, Determining of Slip Factor, Energy Transfer, Power Input Factor, Power Required, Stage Pressure Rise and Loading Coefficient, Pressure Coefficient (?p), Enthalpy-Entropy Diagram, Compressor Efficiency, Degree of Reaction, Losses in Centrifugal Compressor, Centrifugal Compressor Characteristics, Surging and Choking, Rotating Stall, Dimensionless Parameters, Solved Examples, Review Questions.
   
  5. Axial Flow Compressors and Fans

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  Introduction, Working Principle of an Axial Flow Compressor, Advantages of Axial Flow Compressors, Velocity Triangle for an Axial Flow Compressor Stage, Stage Work or Energy Transfer, Work Done, Temperature and Entropy Diagram for a Stage of an Axial Flow Compressors, Overall Pressure Ratio Per Stage (pro), Work Done Factor (?), Stage Loading or Pressure Coefficient, Degree of Reaction (R), Elementary Theory, Turbine Versus Compressor Blades, Vortex Flow, Classification of Vortex Flow, Equation of Motion for a Vortex Flow, Blade Design, Operating Characteristics, Compressor Surge, Compressor Choke, Compressor Stall, Compressibility Effect, Cascade Test, Compressor Blade Cascade Tunnel and Typical Test Results, Difference between Centrifugal and Axial Flow Compressors, Solved Examples, Review Questions.
   
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