COURSE
COURSES CCT-201: Cryogenic Technology: Fundamentals & Applications (3:0) (Aug.-Dec.)
[Faculty Involved: Upendra Behera and Durgesh S. Nadig]
Introduction and fundamentals of cryogenic technology; Properties of cryogenic fluids: nitrogen, oxygen, argon, neon, fluorine, methane; Low temperature properties of materials: mechanical, thermal, electrical and magnetic properties; Physics of liquefaction and liquefaction systems; Cryogenic fluid storage and transfer systems: cryogenic fluid storage vessels design and insulations, cryogenic fluid transfer systems; Gas liquefaction systems: thermodynamically ideal system, production of low temperatures, liquefaction systems for gases other than neon, hydrogen and helium, liquefaction systems for neon, hydrogen and helium; Cryogenic refrigeration systems: ideal refrigeration systems, refrigeration for temperature above 2 K, refrigerators for temperature below 2 K; Introduction to cryocoolers; Cryogenic safety; Cryogenic instrumentation: temperature, pressure, flow and liquid level measurements; Vacuum technology: Importance of vacuum in cryogenics, flow regimes in vacuum systems, conductance in vacuum systems, calculation of pump down time, basic components of vacuum systems, basics of vacuum pumps, gauges and valves; Application of cryogenics: space, medical, biological, food preservation and industrial applications. [Prerequisite: NIL].
CCT-301: Advances in Cryogenic Technology (1:2) (Jan.-May)
[Faculty Involved: Upendra Behera, Durgesh S. Nadig and Anindya Das]
Gas separation and purification systems: Thermodynamically ideal separation system, properties of mixtures, principle of gas separation, air separation systems, hydrogen separation systems, helium separation systems; Gas liquefaction systems: nitrogen, oxygen, neon, hydrogen, helium, critical components of liquefaction systems; Heat transfer studies at cryogenic temperatures; Cryogenic heat exchangers: Design and sizing methodology of heat exchangers for cryogenic applications; Recent trends in cryocooler technology; Vacuum Technology: details on various types of vacuum pumps, gauges, valves, Baffle and cold traps; Measurement systems: thermal conductivity and specific heat, Calibration of cryogenic temperature and level sensors, cryogenic treatment on metals, fatigue strength properties of materials at cryogenic temperature. [Prerequisite: CCT-201 (Cryogenic Technology: Fundamentals & Applications)].
CCT-302: Single molecule imaging and Cryoelectron Microscopy (2:1) (Aug.-Dec.)
[Faculty Involved: Partha P. Mondal and Somnath Dutta}
Gas separation and purification systems: Thermodynamically ideal separation system, properties of mixtures, principle of gas separation, air separation systems, hydrogen separation systems, helium separation systems; Gas liquefaction systems: nitrogen, oxygen, neon, hydrogen, helium, critical components of liquefaction systems; Heat transfer studies at cryogenic temperatures; Cryogenic heat exchangers: Design and sizing methodology of heat exchangers for cryogenic applications; Recent trends in cryocooler technology; Vacuum Technology: details on various types of vacuum pumps, gauges, valves, Baffle and cold traps; Measurement systems: thermal conductivity and specific heat, Calibration of cryogenic temperature and level sensors, cryogenic treatment on metals, fatigue strength properties of materials at cryogenic temperature. [Prerequisite: NIL].
CCT-303: Cryoelectronics for Space Science (3:0)
[Faculty Involved: S. Kasthurirengan and Durgesh S. Nadig]
Introduction and fundamentals of cryogenic technology; Properties of cryogenic fluids: nitrogen, oxygen, argon, neon, fluorine, methane; Low temperature properties of materials: mechanical, thermal, electrical and magnetic properties; Physics of liquefaction and liquefaction systems; Cryogenic fluid storage and transfer systems: cryogenic fluid storage vessels design and insulations, cryogenic fluid transfer systems; Gas liquefaction systems: thermodynamically ideal system, production of low temperatures, liquefaction systems for gases other than neon, hydrogen and helium, liquefaction systems for neon, hydrogen and helium; Cryogenic refrigeration systems: ideal refrigeration systems, refrigeration for temperature above 2 K, refrigerators for temperature below 2 K; Introduction to cryocoolers; Cryogenic safety; Cryogenic instrumentation: temperature, pressure, flow and liquid level measurements; Vacuum technology: Importance of vacuum in cryogenics, flow regimes in vacuum systems, conductance in vacuum systems, calculation of pump down time, basic components of vacuum systems, basics of vacuum pumps, gauges and valves; Application of cryogenics: space, medical, biological, food preservation and industrial applications. [Prerequisite: NIL].
CCT-301: CCT-202: Optical Devices at Low Temperatures (3:0) (Jan.-May)
[Faculty Involved: Tapajyothi Dasgupta and Partha P. Mondal]
Cryogenics in space science and the need for cryoelectronics; Cryocoolers for space applications; Developments in cryoelectronics: superconductivity and its occurrence, survey of superconducting materials, Meissner Effect, BCS theory of superconductivity, Type I and Type II superconductors, Flux quantization, Josephson tunnelling, AC and DC Josephson effects, HTS superconductors, SQUIDs and their applications; Cold Electronics: Electronics based on semiconductors at cryogenic temperatures, improvements in their performance through material related properties such as mobility, thermal and electrical conductivities, associated problems due to thermal contraction mismatch and thermal cycling; Electronics for space exploration missions – performance of conventional transistors, oscillators, A/D converters, DC/DC converters, PWM controllers, components and systems at cryogenic temperatures; Cryocoolers for space missions: Development of different cryocoolers and their electronics for Space missions for specific use under European Space Agency; Cryoelectronics for miscellaneous applications: IR detectors in space missions, memory technology and readout electronics, SC Qubit control and readout. [Prerequisite: NIL].