Course Page ✏️

Machines Design

30378

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Description

Course Program

• Classifications of Machines: recalls of thermodynamics and fundamental equations;
• Notes on Wing Theory:
  • Behavior of the isolated airfoil,
  • Airfoil cascade.
    
    
• Radial Equilibrium Theory: Blade twist techniques.
• Losses and Efficiencies in Turbomachines.
• Similarities in Fluid Machines:
  • Corresponding operating points,
  • Characteristic dimensionless groups,
  • Statistical diagrams.
    
    
• Hydraulic Power Machines:
  • Blade work and shaft work,
  • Slip factor and Pfleiderer correction,
  • Dimensional and non-dimensional characteristic curves,
  • Statistical diagrams,
  • Cavitation and suction head,
  • sizing of a radial pump.
    
    
• Thermal Power Machines:
  • Centrifugal and axial compressors,
  • Critical operating conditions,
  • Loading criteria and airfoil selection in axial compressors,
  • Characteristic curves,
  • Multistage compressors,
  • Overall sizing of a multistage centrifugal compressor,
  • Preliminary design of an axial compressor.
    
    
• Thermal Prime Movers:
  • Statistical diagrams,
  • Real velocity triangles,
  • Velocity reduction factors, Vavra correlation,
  • Thermodynamics of the stage,
  • Stage efficiencies,
  • Optimal pressure coefficient, 
  • Energy losses, 
  • Soderberg correlation,
  • Characteristic curves,
  • Stage design of a steam turbine.
    
    
• Hydraulic Prime Movers:
  • Recalls on machine architecture,
  • Losses and gains,
  • Characteristic curves,
  • Statistical diagrams and fields of application,
  • Cavitation and diffuser tube,
  • Design of a turbine with large blade pitch.

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ECTS credits

9

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Teaching Language

italiano

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Exam Language

italiano

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Support Materials Language

italiano

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Basic Learning Outcomes

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Managing Entity (faculty)

Department of Civil and Mechanical Engineering (UNICAS)

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