REFRIGERATION AND AIR CONDITIONING (Elective-IV) SUBJECT CODE: 16MTE1019 COURSE OBJECTIVES: This course deals with the design and implementation of refrigeration and air conditioning systems. To understand the principles of refrigeration and air conditioning. To calculate the cooling load for different applications. To select the right equipment for a particular application. To design and implement refrigeration and air conditioning systems using standards. Energy Conservation and Management. COURSE OUTCOMES: Describe basic elements of vapour compression system like condenser, evaporator, expansion valve and refrigerant. Calculate performance and load balancing. Explain the principle of compound compression using multi-evaporator and multi-stage systems using flash inter-cooling. Describe low temperature production systems like liquefaction, cascade and dry ice systems. Understand absorption system. Explain the working principle, calculations of air, steam jet and unconventional refrigeration systems like thermo-electric, vortex tube, pulse tube. Understand requirements of comfort air-conditioning. Perform cooling load estimation under various conditions. Calculate bypass factor, ADP, RSHF, ESHF, GSHF for different air-conditioning systems like fresh air, recirculated air, reheat systems. UNIT I – Vapour Compression Refrigeration : Performance of Complete vapor compression system. Components of Vapor Compression System: The condensing unit Evaporators Expansion valve – – Refrigerants Properties ODP & GWP - Load balancing of vapor compression Unit. – – UNIT II – Compound Compression Flash inter-cooling flash chamber Multi-evaporator & Multistage systems. – – UNIT III – Liquefaction system ;Cascade System Applications.– Dry ice system. Production of low temperature – – Vapor absorption system Simple and modified aqua ammonia system Representation on Enthalpy – – – diagram. Lithium Bromide system Three fluid system HCOP. – – UNIT IV – Air Refrigeration : Applications Air Craft Refrigeration -Simple, Bootstrap, Regenerative and Reduced – ambient systems Problems based on different systems. – Jet refrigeration system Representation on T-s and h-s diagrams limitations and applications. – Unconventional Refrigeration system Thermo-electric Vortex tube & Pulse tube working – – – principles.
REFRIGERATION AND AIR CONDITIONING (Elective-IV) SUBJECT CODE: 16MTE1019 COURSE OBJECTIVES: This course deals with the design and implementation of refrigeration and air conditioning systems. To understand the principles of refrigeration and air conditioning. To calculate the cooling load for different applications. To select the right equipment for a particular application. To design and implement refrigeration and air conditioning systems using standards. Energy Conservation and Management. COURSE OUTCOMES: Describe basic elements of vapour compression system like condenser, evaporator, expansion valve and refrigerant. Calculate performance and load balancing. Explain the principle of compound compression using multi-evaporator and multi-stage systems using flash inter-cooling. Describe low temperature production systems like liquefaction, cascade and dry ice systems. Understand absorption system. Explain the working principle, calculations of air, steam jet and unconventional refrigeration systems like thermo-electric, vortex tube, pulse tube. Understand requirements of comfort air-conditioning. Perform cooling load estimation under various conditions. Calculate bypass factor, ADP, RSHF, ESHF, GSHF for different air-conditioning systems like fresh air, recirculated air, reheat systems. UNIT – I Vapour Compression Refrigeration : Performance of Complete vapor compression system. Components of Vapor Compression System: The condensing unit – Evaporators Expansion valve – Refrigerants – Properties – ODP & GWP - Load balancing of vapor compression Unit. UNIT – II Compound Compression Flash inter-cooling – flash chamber – Multi-evaporator & Multistage systems. UNIT – III Production of low temperature – Liquefaction system ;Cascade System – Applications.– Dry ice system. Vapor absorption system – Simple and modified aqua – ammonia system – Representation on Enthalpy diagram. Lithium – Bromide system Three fluid system – HCOP. UNIT – IV Air Refrigeration : Applications – Air Craft Refrigeration -Simple, Bootstrap, Regenerative and Reduced ambient systems – Problems based on different systems. Jet refrigeration system Representation on T-s and h-s diagrams – limitations and applications. Unconventional Refrigeration system – Thermo-electric – Vortex tube & Pulse tube – working principles.
MTech_TE_AR16.docx