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Cryogenic Engineering

Cryogenic Engineering. Instructor: Prof. M. D. Atrey, Department of Mechanical Engineering, IIT Bombay. This course assumes that the students have undergone undergraduate courses in Engineering Mathematics, Thermodynamics, Heat Transfer and Refrigeration. The purpose of this course is to give introductory knowledge of cryogenic Engineering. The course also gives detailed knowledge of cryocoolers, on which research is going on world wide. The treatment is both theoretical and mathematical. The course will interest students wishing to embark on a research career in Cryogenic Engineering. (from nptel.ac.in)

Lecture 17 - Components of Gas Liquefaction and Refrigeration Systems


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Lecture 01 - Introduction to Cryogenic Engineering
Properties of Cryogenic Fluids
Lecture 02 - Properties of Cryogenic Fluids: Introduction
Lecture 03 - Hydrogen, Ortho and Para Forms of Hydrogen, Helium and its Phase diagram
Lecture 04 - Helium and its Phase diagram (cont.)
Materials Properties at Low Temperature
Lecture 05 - Materials Properties at Low Temperature: Introduction
Lecture 06 - Thermal Properties, Electric and Magnetic Properties
Lecture 07 - Superconductivity
Gas Liquefaction and Refrigeration Systems
Lecture 08 - Gas Liquefaction and Refrigeration Systems: Introduction
Lecture 09 - J-T Expansion of a Real Gas, Isentropic Expansion, Ideal Thermodynamic Cycle
Lecture 10 - Parameters of Gas Liquefaction Systems, Linde-Hampson System
Lecture 11 - Heat Exchangers
Lecture 12 - Precooled Linde-Hampson System
Lecture 13 - Precooled Linde-Hampson System (cont.)
Lecture 14 - Linde Dual Pressure System
Lecture 15 - Claude System
Lecture 16 - Claude System (cont.), Kapitza System, Heylandt System, Collins System
Lecture 17 - Components of Gas Liquefaction and Refrigeration Systems
Gas Separation
Lecture 18 - Gas Separation: Introduction
Lecture 19 - Ideal Gas Separation System: Tutorials
Lecture 20 - Gibbs Phase Rule, Phase Equilibrium Curves, Temperature Composition Diagrams
Lecture 21 - Dalton's Law of Partial Pressures, Raoult's Law, Gibbs-Dalton's Law
Lecture 22 - Enthalpy Composition Diagrams, Rectification Column, Murphree Efficiency
Lecture 23 - Understanding of Rectification Column, Theoretical Plate Calculations
Lecture 24 - Graphical Solution for Column Design using McCabe Thiele Method
Lecture 25 - Concept of Reflux and Summary of Gas Separation
Cryocoolers
Lecture 26 - Cryocoolers: Introduction
Lecture 27 - Cryocoolers Ideal Stirling Cycle
Lecture 28 - Cryocoolers Ideal Stirling Cycle (cont.)
Lecture 29 - Gifford-McMahon (GM) Cryocooler
Lecture 30 - Pulse Tube (PT) Cryocooler
Lecture 31 - Pulse Tube (PT) Cryocooler (cont.)
Lecture 32 - Cryocoolers: Phasor Analysis (cont.), Electric Analogy
Cryogenic Insulation
Lecture 33 - Cryogenic Insulation: Introduction
Lecture 34 - Vacuum, Evacuated Powders, Opacified Powders
Lecture 35 - Multilayer Insulation
Vacuum Technology
Lecture 36 - Vacuum Technology: Introduction
Lecture 37 - Conductance, Pumping Speed and Pump Down Time
Lecture 38 - Classification of Vacuum Pumps, Types of Vacuum Pump
Instrumentation in Cryogenics
Lecture 39 - Instrumentation in Cryogenics: Introduction
Lecture 40 - Measurement of Thermophysical Properties, Measurement of Liquid Level
Lecture 41 - Pressure Measurement
Safety in Cryogenics
Lecture 42 - Safety in Cryogenics