BM1008 REFRIGERATION AND AIR CONDITIONING 3 0 0 100
1.REFRIGERATION CYCLES & REFRIGERANTS (9)
Vapour Compression Refrigeration Cycle-Simple saturated vapour compression Refrigeration cycle.Thermodynamic analysis of the above. Refrigerant Classification, Designation, Alternate Refrigerants, Global Warming Potential & Ozone Depleting Potential aspects.
2.SYSTEM COMPONENTS (9)
Refrigerant Compressors - Reciprocating Open & Hermetic type, Screw Compressors and
Scroll Compressors -Construction and Operation characteristics. Evaporators - DX coil, Flooded type Chillers Expansion devices -Automatic Expansion Valves, Capillary Tuber & Thermostatic Expansion Valves. Condensing Units and Cooling Towers.
3.CYCLING CONTROLS AND SYSTEM BALANCING (9)
Pressure and Temperature controls. Range and Differential settings. Selection and balancing of system components - Graphical method.
4.PSYCHROMETRY (9)
Moist air behaviour, Psychrometric chart, Different Psychrometric process analysis.
5.AIR CONDITIONING (9)
Summer and Winter Airconditioning, Cooling Load Calculations, Air Distribution Patterns, Dynamic and Frictional Losses in Air Ducts, Equal Friction Method, Fan Characteristics in Duct Systems.
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TEXT BOOK
1. W.F.Stocker and J.W.Jones, " Refrigeration & Air Conditioning " McGraw
Hill Book Company, 1985.
REFERENCES
1. R.J.Dossat, " Principles of Refrigeration ", John Wiley and Sons Inc., 1989.
2. Manohar Prasad, " Refrigeration and Air Conditioning ", Wiley Eastern Ltd., 1995.
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