Friday 2 March 2018
In this lecture we will discuss about.Ch-1 Thermo-II Week-3.pdf
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- What is a turbomachine?
- Schematic of Jet Engine.
- Nozzels
As you know nozzle is a duct of smoothly varying cross section area in which a steady flowing fluid can be made to accelerate by a pressure drop along the duct. e.g nozzles are used in steam and gas turbines, in jet engines, in rocket motors etc.
In this lecture we will discuss the nozzle briefly.- Diffuser
When a fluid is decelerated in a duct, causing a rise in pressure along the stream. Its major applications are centrifugal pumps and ramjet.
- We will also discuss diffuser briefly.
- We have a long discussion on Nozzle Shape.
- Convergent Divergent Nozzle.
- Critical Pressure Drop
- Critical Temperature Ratio
- Critical Velocity
- Maximum Mass Flow
- Nozzle Off the design pressure ratio
- Convergent Nozzle
- Convergent Divergent Nozzle
- Nozzle Efficency
- Length of Nozzle
- The Steam Nozzle
All of the above topics are discussed in detail in the above given slides.
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