CY9005 ADVANCED CRYO COOLERS SYLLABUS | ANNA UNIVERSITY ME CRYOGENIC ENGINEERING ELECTIVES SYLLABUS REGULATION 2009 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY M.E CRYOGENIC ENGINEERING DEPARTMENT ELECTIVES SYLLABUS, TEXTBOOKS, REFERENCE BOOKS,EXAM PORTIONS,QUESTION BANK,PREVIOUS YEAR QUESTION PAPERS,MODEL QUESTION PAPERS, CLASS NOTES, IMPORTANT 2 MARKS, 8 MARKS, 16 MARKS TOPICS. IT IS APPLICABLE FOR ALL STUDENTS ADMITTED IN THE YEAR 2011 2012-2013 (ANNA UNIVERSITY CHENNAI,TRICHY,MADURAI,TIRUNELVELI,COIMBATORE), 2009 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2010
CY9005 ADVANCED CRYO COOLERS L T P C
3 0 0 3
UNIT I CRYOCOOLERS: 9
Classification of cryocoolers, Working of cryocoolers, Selection of cryocooler and comparison of
different types of cryocoolers, Ideal working Cycles, Important parameters –mass, volume,
vibration, acoustic noise, electromagnetic interface, operating life, Technical parameters -
cooling effect, compressor power requirement, cooling water requirement, service requirement
of compressor ,Vibration control, Steady flow and oscillating flow cryocoolers, Different types of
at exchangers, Applications of cryocoolers –military, environmental , commercial, medical,
transportation, energy, police and security.
UNIT II GIFFORD MCMAHON CRYOCOOLER: 9
Advantages and disadvantages of G-M cryocooler, Design of two stage G-M cryocooler ,
Efficiency of pressure oscillators, 4K operation, improved valve timing, Application of GM
Cooler, Monolithic regenerator technology for low temperature cryocoolers, Progress of
multilayered regenerators.
UNIT III STIRLING CRYOCOOLER: 9
Ideal Stirling cycle, Concept of practical Stirling cycle, First order analysis Stirling cycle, Second
order analysis, Third order analysis , Loss analysis, Comparison of Stirling and Carnot cycle,
Design and optimization of Stirling Cryocoolers, Performance and reliability improvement of low
cost Stirling cooler, Development of long life stirling cooler, Analysis of Stirling Cycle, Multi stage
Cryocooler, hybrid cooler , Long life tactical and commercial Stirling cooler, Miniature stirling
cryocooler, Linear compressor design.
UNIT IV PULSE TUBE CRYOCOOLERS: 9
Advantages and disadvantages of pulse tube cryocooler, History of pulse tube Cryocooler,
Comparison of stirling and orifice pulse tube cryocoolers, Double inlet pulse tube refrigerator,
Geometry of pulse tube –U-tube, co-axial, in-line, Two stage pulse tube refrigerator design ,
Thermoacoustically driven pulse tube refrigerator, Different methods of analysis, Phasor
analysis , Oscillating flow behavior of PTR, Valve timing effect on performance of 4K pulse tube
cryocooler. Design of Dual use PTR, Low vibration flexure bearing compressor, Miniature 50 k
to 80 K space application of PTR, Experimental characteristics of PTR, Effect of D.C. flow,
Active phase control of stirling type PTR, Expansion efficiency considering shuttle heat transfer,
Co-axial PTR for high Tc- SQUID, Characteristics of Double inlet PTR, Experimental study and
analysis of components of orifice pulse tube refrigerator. Theoretical model of G-M type pulse
tube refrigerator, High frequency pulse tube cryocooler with base temperature below 20 K,
Novel regenerator material Er3 Ni Hx-He-H2 mixture, Numerical and experimental study of
Rotary valve for pulse tube, . Valve timing effect on cooling performance of pulsetube
cryocooler, V-M type PTR, Variable resistance orifice, Effect of valve timing on PTR,
Performance of single stage pulse tube, Some of the phase shifting types of two stage G-M type
pulse tube refrigerator, Small He3 PTR Multi stage pulse tube cooler 4 K technology - new
material
UNIT V SPACE PULSE TUBE CRYOCOOLER DEVELOPMENT : 9
Miniature pulse tube cryocooler for space, High frequency pulse tube cooler, High performance
cryocooler compressor, Vibration reduction in balanced linear compressor, G-M type pulse tube
cryocooler . Regenerator material analysis and material development Ductile, High heat
capacity magnetic regenerator alloy material, Manufacturing considerations of rare earth
powder used in cryocooler
TOTAL : 45 PERIODS
14
REFERENCES:
1. Cryocoolers by G. Walker
2. Cryocoolers Volumes ( Proceedings of International Cryocooler conference) Journal
‘Cryogenics’ published by Elsevier available at www.sciencedirect.com
3. Advances in Cryogenic Engineering. (Proceedings of International Cryogenic
Engineering Conference )
CY9005 ADVANCED CRYO COOLERS L T P C
3 0 0 3
UNIT I CRYOCOOLERS: 9
Classification of cryocoolers, Working of cryocoolers, Selection of cryocooler and comparison of
different types of cryocoolers, Ideal working Cycles, Important parameters –mass, volume,
vibration, acoustic noise, electromagnetic interface, operating life, Technical parameters -
cooling effect, compressor power requirement, cooling water requirement, service requirement
of compressor ,Vibration control, Steady flow and oscillating flow cryocoolers, Different types of
at exchangers, Applications of cryocoolers –military, environmental , commercial, medical,
transportation, energy, police and security.
UNIT II GIFFORD MCMAHON CRYOCOOLER: 9
Advantages and disadvantages of G-M cryocooler, Design of two stage G-M cryocooler ,
Efficiency of pressure oscillators, 4K operation, improved valve timing, Application of GM
Cooler, Monolithic regenerator technology for low temperature cryocoolers, Progress of
multilayered regenerators.
UNIT III STIRLING CRYOCOOLER: 9
Ideal Stirling cycle, Concept of practical Stirling cycle, First order analysis Stirling cycle, Second
order analysis, Third order analysis , Loss analysis, Comparison of Stirling and Carnot cycle,
Design and optimization of Stirling Cryocoolers, Performance and reliability improvement of low
cost Stirling cooler, Development of long life stirling cooler, Analysis of Stirling Cycle, Multi stage
Cryocooler, hybrid cooler , Long life tactical and commercial Stirling cooler, Miniature stirling
cryocooler, Linear compressor design.
UNIT IV PULSE TUBE CRYOCOOLERS: 9
Advantages and disadvantages of pulse tube cryocooler, History of pulse tube Cryocooler,
Comparison of stirling and orifice pulse tube cryocoolers, Double inlet pulse tube refrigerator,
Geometry of pulse tube –U-tube, co-axial, in-line, Two stage pulse tube refrigerator design ,
Thermoacoustically driven pulse tube refrigerator, Different methods of analysis, Phasor
analysis , Oscillating flow behavior of PTR, Valve timing effect on performance of 4K pulse tube
cryocooler. Design of Dual use PTR, Low vibration flexure bearing compressor, Miniature 50 k
to 80 K space application of PTR, Experimental characteristics of PTR, Effect of D.C. flow,
Active phase control of stirling type PTR, Expansion efficiency considering shuttle heat transfer,
Co-axial PTR for high Tc- SQUID, Characteristics of Double inlet PTR, Experimental study and
analysis of components of orifice pulse tube refrigerator. Theoretical model of G-M type pulse
tube refrigerator, High frequency pulse tube cryocooler with base temperature below 20 K,
Novel regenerator material Er3 Ni Hx-He-H2 mixture, Numerical and experimental study of
Rotary valve for pulse tube, . Valve timing effect on cooling performance of pulsetube
cryocooler, V-M type PTR, Variable resistance orifice, Effect of valve timing on PTR,
Performance of single stage pulse tube, Some of the phase shifting types of two stage G-M type
pulse tube refrigerator, Small He3 PTR Multi stage pulse tube cooler 4 K technology - new
material
UNIT V SPACE PULSE TUBE CRYOCOOLER DEVELOPMENT : 9
Miniature pulse tube cryocooler for space, High frequency pulse tube cooler, High performance
cryocooler compressor, Vibration reduction in balanced linear compressor, G-M type pulse tube
cryocooler . Regenerator material analysis and material development Ductile, High heat
capacity magnetic regenerator alloy material, Manufacturing considerations of rare earth
powder used in cryocooler
TOTAL : 45 PERIODS
14
REFERENCES:
1. Cryocoolers by G. Walker
2. Cryocoolers Volumes ( Proceedings of International Cryocooler conference) Journal
‘Cryogenics’ published by Elsevier available at www.sciencedirect.com
3. Advances in Cryogenic Engineering. (Proceedings of International Cryogenic
Engineering Conference )
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