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Thermodynamics

By : Asad Ali Arshad


In these slides we will cover the following topic in detail so for the complete description download the given slides.
What is a turbo machine?
A device that exchanges energy with the fluid, using continuously flowing fluid and rotating blades.
e.g Aircraft Engine, Wind Turbine.

  • If the device extract energy from fluid generally called as turbine. 
  • If the device deliver energy to fluid generally called as pump.

turbo machinery is the generic name of all these machines.
Nozzles?
A nozzle is a duct of smoothly varying cross section area in which a steadily flowing fluid can be made to accelerate by a pressure drop along the duct. Nozzles are used in steam turbines, in rockets,in injector and ejector etc.
Diffuser ?
When a fluid is decelerated in a duct causing a rise in pressure along the steam. e.g centrifugal pump etc.
Description of following topic is available in slides so for the detailed learning download the following slides.
  • Nozzles Shape
  • Critical Pressure Ratio
  • Critical Temperature Ratio
  • Critical Velocity
  • Maximum Mass Flow
  • Nozzle off the designed pressure ratio
  • CD Nozzles
  • Nozzle Efficency
  • Length of Nozzle
  • The Steam Nozzle
  • Stagnation Conditions





Ch-2 Thermo-II Sp-18-Week5.pdf

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