Cryogenic Engineering

COURSE OBJECTIVES:

  1. To provide the knowledge of evolution of low temperature science
  2. To provide knowledge on the properties of materials at low temperature
  3. To familiarize with various gas liquefaction and refrigeration systems and to provide design aspects of cryogenic storage and transfer lines

SYLLABUS:

MODULE

CONTENTS

HOURS

I

Introduction to Cryogenic Systems: Historical development, Applications of Cryogenics (Space, Food Processing, Super conductivity, Electrical Power, Biology, Medicine, Electronics and Cutting Tool Industry).

Low Temperature Properties: Properties of Engineering Materials (Mechanical properties, Thermal properties, Electric and Magnetic properties), Properties of Cryogenic fluids.

8

II

Introduction to Liquefaction Systems: Ideal system, Joule Thomson expansion, Adiabatic expansion, Linde Hampson Cycle, Claude & Cascaded System.

Introduction to Cryogenic Refrigeration Systems: Magnetic Cooling, Stirling Cycle Cryo Coolers.

7

III

Gas Liquefaction Systems: General liquefaction systems. Liquefaction systems for Neon, Hydrogen and Helium. Critical components of liquefaction systems.

6

IV

Cryogenic Refrigeration Systems: Ideal refrigeration systems, Refrigeration using liquids and gases as refrigerant, Refrigerators using solids as working media.

 

6

V

Cryogenic Fluid Storage and Transfer Systems: Cryogenic storage vessels and transportation. Thermal insulation and their performance at cryogenic temperatures, Super insulations, Vacuum insulation, Powder insulation. Cryogenic fluid transfer systems.

8

VI

Cryogenic Instrumentation: Pressure, flow-rate, liquid-level and temperature measurements. Types of Heat Exchangers used in cryogenic systems (only description with figure). Cryo Pumping Applications.

7

Semester: 

Fall

Offered: 

2018