AS3001 Cryogenics Syllabus:

AS3001 Cryogenics Syllabus – Anna University Regulation 2021

OBJECTIVES:

• To analyse cryogenic systems
• To calculate the efficiency of cryogenic systems
• To know cryogenic applications in aerospace engineering
• To learn the concepts of cryogenic plants
• To learn theory behind production of low temperatures

UNIT I INTRODUCTION

Historical Background – Introduction to cryogenic propellants – Liquid hydrogen, liquid helium, liquid nitrogen and liquid oxygen and their properties

UNIT II PRODUCTION OF LOW TEMPERATURE

Theory behind the production of low temperature – Expansion engine heat exchangers – Cascade Process Joule Thompson Effect – Magnetic effect – Ortho and H2 – Helium4 and Helium3.

UNIT III PERFORMANCE OF CRYOGENIC SYSTEMS

Types of losses and efficiency of cycles – specific amount of cooling – The fraction liquified Cooling coefficient of performance – Thermodynamic efficiency – energy balance Method.

UNIT IV CYCLES OF CRYOGENIC PLANTS

Classification of cryogenic cycles – structure of cycles – Throttle expansion cycles – Expander cycles – Thermodynamic analysis – Numerical problems

UNIT V CRYOGENICS IN AEROSPACE APPLICATIONS

Cryogenic liquids in Rocket launching and space simulation Storage of cryogenic liquids – Effect of cryogenic liquids on properties of aerospace materials – Cryogenic loading problems – Zero gravity problems associated with cryogenic propellants – Phenomenon of tank collapse – Elimination of Geysering effect in missiles

TOTAL: 45 PERIODS

OUTCOMES:

On successful completion of this course, the student will be able to
• Describe various methods to produce low temperature and phenomena at cryogenic temperature.
• Explain the working principle of different cryogenic refrigeration and liquification system.
• Analyse the functions and working principles of insulations and various low temperature measuring and storage devices.
• Apply the application of Cryogenic technology in engineering research and Industry.
• Analyse the performance of cryogenic systems

TEXT BOOKS

1. Barron, R. F., “Cryogenic Systems”, Oxford University, 1985.
2. Haselden, G., “Cryogenic Fundamentals”, Academic Press, 1971.

REFERENCES:

1. Parner, S. F., “Propellant Chemistry”, Reinhold Publishing Corp., New York 1985.
2. Weisend, J. G., “The Handbook of Cryogenic Engineering”, Taylor & Francis, 1998.