Refrigeration and Air-Conditioning detail syllabus for Mechanical Engineering (107), M scheme is taken from TNDTE official website and presented for diploma students. The course code (32083), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below.
For all other mechanical 6th sem syllabus for diploma m scheme tndte you can visit Mechanical 6th Sem Syllabus for Diploma M Scheme TNDTE Subjects. For all other Elective Theory II subjects do refer to Elective Theory II. The detail syllabus for refrigeration and air-conditioning is as follows.
Rationale:
Hence the study of refrigeration principles, system and its effectiveness are essential. Comfort is the basic requirement of customers and machines through air-conditioning and hence learning the concept of air-conditioning and methods of air-conditioning facilitates quality design of air conditioners.
Objectives:
- Explain the working of open and closed air system of refrigeration.
- Describe the working and construction of compressors used for air conditioning.
- Explain vapour compression refrigeration system.
- Explain vapour absorption refrigeration system.
- Compare the properties and applications of various refrigerants.
- Define the parameters used in psychrometry.
- Use Psychrometry chart
- Describe the equipment used for air conditioning.
- Estimate the cooling load for the given requirement.
- Explain the industrial application of refrigeration.
Unit 1
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Unit 2
Vapour Compression Refrigeration System ,Vapour Absorption Refrigeration System And Cryogenic Refrigeration Systems
Principle of working of vapour compression system – analysis of vapour compression cycle using T-s diagram and p-H diagramrefrigerating effect- compression work – C.O.P – effect of superheating and under cooling – effect of evaporative pressure and condenser pressure-problems – liquid vapour refrigeration heat exchangers -advantages and disadvantages of superheating and under cooling -use of flash chamber and accumulator. Simple absorption system – Electrolux system – solar absorption refrigeration system- absorption system comparison with mechanical refrigeration system. Refrigerators for above 2 K- Philips Refrigerator–Giffered McMohan refrigerator- refrigerators for below 2 K – Magnetic refrigeration systems.
Unit 3
Refrigeration Flow Controls, Refrigerants And Lubricants And Applications Of Refrigeration
Capillary tube-automatic expansion valve-thermostatic expansion valve-electronic expansion valve-solenoid valve-evaporator pressure regulator -suction pressure regulator-classification of refrigerants-selection of a refrigerant-properties and applications of following refrigerants SO2 , CH4 ,F22, and NH3 -CFCs refrigerants- equivalent of CFCs refrigerants (R-123a,R-143a,R-69S)- blends of refrigerants(R400 and R500 Series) – lubricants used in refrigeration and their applications. Slow freezing -quick freezing- cold storage-frozen storage-freeze drying -dairy refrigeration -ice cream cabinets-ice making – water cooler, milk cooler, bottle cooler-frost free refrigeration.
Unit 4
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Unit 5
Cooling Load Calculations And Duct Design , Energy Conservation Techniques
Different heat sources – conduction heat load – radiation load of sun -occupants load – equipment load – infiltration air load – miscellaneous heat sources -fresh air load – problems. Classification of duct systems – Duct design – equal friction method -velocity reduction method – problems. Chilled water Systems -Air handling Units. Energy conservation and design decisions – heat reclaim – thermal storage – ice builder – ice harvester – variable refrigerant flow (VRF) -variable primary flow (VPF).
Text Books:
- Refrigeration and air conditioning, P.L . Ballaney, Khanna Publishers, 2B, North Market, Naisarak, New Delhi 110 006.
- Refrigeration and air conditioning, V.K. Jain,
- Industrial Refrigeration Hand Book, Wilbert F. Steocker
Reference Books:
For complete syllabus and results, class timetable and more pls download iStudy. Its a light weight, easy to use, no images, no pdfs platform to make students life easier.
For detail syllabus of all other subjects of BE Mechanical, M scheme do visit Mechanical 6 syllabus for M Scheme.
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