Syllabus
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Course Code: ** Elective - II MTTH-111 Course Name: Refrigeration and Cryogenics |
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| MODULE NO / UNIT | COURSE SYLLABUS CONTENTS OF MODULE | NOTES |
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| 1 | Vapour compression system: Vapour compression refrigeration, Ewing’s construction, Standard rating cycle
and effect on operating conditions, actual cycle, standard rating cycle for domestic refrigerator, second law
efficiency, Multi-pressure systems: Working and analysis of Multi-stage compression with inter-cooling, Multi-evaporator systems, Cascade systems. |
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| 2 | Refrigerant Compressors: Performance characteristics and capacity control of reciprocating and centrifugal
compressors, screw compressor and scroll compressor, Components of Vapor compression system: Design, selection of evaporators, condensers, control systems, motor selection. |
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| 3 | Refrigerants: Introduction, designation of refrigerants, alternative refrigerants, CFC/HCFC phase-out
regulations, atmospheric gases as substitute for CFC refrigerants, Binary and Azeotropic mixtures. Refrigeration applications: food preservation, cooling and heating of foods, freezing of foods, freeze drying and heat drying of foods, transport refrigeration |
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| 4 | Vapour absorption system: Introduction to Vapor absorption refrigeration, common refrigerant-absorbent
systems, single effect and double effect systems, new mixtures for absorption system. Gas liquefaction systems: Linde-Hampson, Linde dual pressure, Claude cycle. |
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