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KHUDKIBOOK
ADVANCED CRYOCOOLERS
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ME02074041
Code: ME02074041
Credits: 4
Semester 2
CE
Advanced Cryocoolers
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Follow on Instagram for UpdatesAdvanced Cryocoolers Syllabus — Unit-wise Content
The official GTU curriculum for Advanced Cryocoolers (subject code ME02074041) as prescribed for CE · Semester 2 divides the course into 9 units, covering 81 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (ME02074041)Unit 1 Cryocoolers
- Classification and working of cryocoolers
- Thermodynamics of cryocooler
- Ideal working Cycles- Regenrative and Recuperative cycles
- Selection and comparison of different types of cryocoolers
- Important parameters Program Name: Engineering Level: PG Branch: Cryogenic Engineering Subject Code : ME02074041 Subject Name : Advanced Cryocoolers w.e.f. 2024-25 http://syllabus.gtu.ac.in Page no. 2 of 4 – mass
- 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
Unit 2 Heat Exchanger in cryocoolers and regenerative materials
- Different types of heat exchangers used in cryocoolers
- Design of Recuperative and Regenerative heat exchangers
- Regenerators for very low temperature application
- Hausen Regenerator
- performance parameters - Reduced-Length
- Reduced-Period Method
- Heat Pipes in cryocoolers
- Regenerator material analysis and material development
- High heat capacity magnetic regenerator alloy material
- Manufacturing considerations of rare earth powder used in cryocooler
Unit 3 Vuilleumier Cryocooler
- Thermodynamic aspects
- cycle of operation
- heat transfer losses
- VM coolers variations
- accessories and components
- Spilt Vuilleumier cryocooler
Unit 4 Gifford McMahon, Solvay and Postle Cryocooler
- Multiple Expansion G-M cryocooler
- Combined G-M and JT expander
- Advantages and disadvantages of G-M cryocooler
- Design of two stage G-M cryocooler
- Efficiency of pressure oscillators
- improved valve timing
- Application of GM Cooler
Unit 5 Stirling Cryocooler
- 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
- Analysis of Stirling Cycle
- Multi stage Cryocooler
- hybrid cooler
- Miniature Stirling cryocooler
- Linear compressor design
Unit 6 Pulse tube Cryocoolers
- Advantages and disadvantages of pulse tube cryocooler
- Geometry of pulse tube U-tube
- 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
- Low vibration flexure bearing compressor
- Miniature 50K to 80K 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
- 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
- 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
- Space pulse tube Cryocooler development
- Program Name: Engineering Level: PG Branch: Cryogenic Engineering Subject Code : ME02074041 Subject Name : Advanced Cryocoolers w.e.f. 2024-25 http://syllabus.gtu.ac.in Page no. 3 of 4
Unit 7 J-T Cooler
- Advantages and disadvantages of J-T cooler
- Recent advances – Mixed refrigerant
- Sorption compressor
- Electrochemical compressor
- Mixture properties
- Cool down characteristics miniature J-T cooler
- Liquefaction of nitrogen using mixed refrigerant
- Further development
- Liquefaction of other gases
- Modern trends in throttle cryocooler operating with mixed gas
Unit 8 Very Low Temperature Cooling System, Dilution Refrigerator
- He3 refrigerators
- He3 – He4 Dilution refrigerators
- Progress in microgravity Dilution refrigerator
- Pomeranchuk cooling
- Magnetic Refrigerators - Its development and its utility in magnetic hydrogen liquefier
Unit 9 Applications of Cryocoolers – military, environmental, commercial, medical,
- police, and security
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