Cryogenic Engineering - PPT, Mechanical Engineering, Semester, Mechanical Engineering Notes | EduRev

Mechanical Engineering : Cryogenic Engineering - PPT, Mechanical Engineering, Semester, Mechanical Engineering Notes | EduRev

 Page 1


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Page 2


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Earlier Topics
• Introduction to Cryogenic Engineering
• Properties of Cryogenic Fluids
• Properties of Materials at Cryogenic Temperature
• Gas Liquefaction and Refrigeration Systems
• Gas Separation
• Cryocoolers
• Cryogenic Insulations
• Vacuum Technology
2
Prof. M D Atrey, Department of Mechanical Engineering, IIT Bombay
Page 3


1
39
Earlier Topics
• Introduction to Cryogenic Engineering
• Properties of Cryogenic Fluids
• Properties of Materials at Cryogenic Temperature
• Gas Liquefaction and Refrigeration Systems
• Gas Separation
• Cryocoolers
• Cryogenic Insulations
• Vacuum Technology
2
Prof. M D Atrey, Department of Mechanical Engineering, IIT Bombay
Current Topic
Topic : Instrumentation in Cryogenics
• Need of Cryogenic Instrumentation
• Measurement of Thermophysical Properties
• Various Sensors
• The current topic will be covered in 3 lectures.
• Tutorials and assignments are also included.
3
Prof. M D Atrey, Department of Mechanical Engineering, IIT Bombay
Page 4


1
39
Earlier Topics
• Introduction to Cryogenic Engineering
• Properties of Cryogenic Fluids
• Properties of Materials at Cryogenic Temperature
• Gas Liquefaction and Refrigeration Systems
• Gas Separation
• Cryocoolers
• Cryogenic Insulations
• Vacuum Technology
2
Prof. M D Atrey, Department of Mechanical Engineering, IIT Bombay
Current Topic
Topic : Instrumentation in Cryogenics
• Need of Cryogenic Instrumentation
• Measurement of Thermophysical Properties
• Various Sensors
• The current topic will be covered in 3 lectures.
• Tutorials and assignments are also included.
3
Prof. M D Atrey, Department of Mechanical Engineering, IIT Bombay
Topic : Instrumentation in Cryogenics
• Need of Cryogenic Instrumentation
• Measurement of Thermo physical Properties
• Temperature
4
Prof. M D Atrey, Department of Mechanical Engineering, IIT Bombay
Outline of the Lecture
Page 5


1
39
Earlier Topics
• Introduction to Cryogenic Engineering
• Properties of Cryogenic Fluids
• Properties of Materials at Cryogenic Temperature
• Gas Liquefaction and Refrigeration Systems
• Gas Separation
• Cryocoolers
• Cryogenic Insulations
• Vacuum Technology
2
Prof. M D Atrey, Department of Mechanical Engineering, IIT Bombay
Current Topic
Topic : Instrumentation in Cryogenics
• Need of Cryogenic Instrumentation
• Measurement of Thermophysical Properties
• Various Sensors
• The current topic will be covered in 3 lectures.
• Tutorials and assignments are also included.
3
Prof. M D Atrey, Department of Mechanical Engineering, IIT Bombay
Topic : Instrumentation in Cryogenics
• Need of Cryogenic Instrumentation
• Measurement of Thermo physical Properties
• Temperature
4
Prof. M D Atrey, Department of Mechanical Engineering, IIT Bombay
Outline of the Lecture
5
Prof. M D Atrey, Department of Mechanical Engineering, IIT Bombay
Introduction
• In the earlier lecture, we have seen 
that the cryogenic vessels are 
insulated, closed containers.
• Instrumentation is needed
• To monitor the vacuum in insulation, 
as there is a continuous gas in leak.
• To monitor the liquid level so as to 
avoid any over flow of the cryogen.
• To monitor a sample’s temperature.
Pr.
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