TE4005 Refrigeration Systems Syllabus:

TE4005 Refrigeration Systems Syllabus – Anna University PG Syllabus Regulation 2021

COURSE OBJECTIVES

 To study the cycle analysis pertaining to Refrigeration systems.
 To study the performance of system components and their balancing in cycles.
 To study the significance of Refrigerants and their impact on the environment.

UNIT I INTRODUCTION AND REFRIGERANTS

Applications, Unit of refrigeration – Ideal cycles – Classification of Refrigerants, Refrigerant properties, Oil Compatibility, Environmental Impact-Montreal / Kyoto protocols-Eco Friendly Refrigerants, alternatives to HCFCS, Secondary Refrigerants.

UNIT II REFRIGERATION CYCLES – ANALYSIS

Development of Vapor Compression Refrigeration Cycle from Reverse Carnot Cycle- conditions for high COP-deviations from ideal vapor compression cycle, Multipressure System, Cascade Systems-Analysis. Vapor Absorption Systems-Aqua Ammonia & Li-Br Systems, Steam Jet Refrigeration Thermo Electric Refrigeration, Air Refrigeration cycles, Heat pumps.

UNIT III REFRIGERATION SYSTEM COMPONENTS

Compressor- Types, performance, Characteristics, Types of Evaporators & Condensers and their functional aspects, Expansion Devices and their Behaviour with fluctuating load, cycling controls, other components such as Accumulators, Receivers, Oil Separators, Strainers, Driers, Check Valves, Solenoid Valves Defrost Controllers, etc.

UNIT IV SYSTEM BALANCING

Balance points and system simulation – compressor, condenser, evaporator and expansion devices performance – Complete system performance; graphical and mathematical analysis – sensitivity analysis.

UNIT V ELECTRICAL DRIVES & CONTROLS

Electric circuits in Refrigeration systems, Refrigerant control devices, Types of Motors, Starters, Relays, Thermostats, Microprocessor based control systems, Pressure controls and other controls, Acoustics and noise controls.

TOTAL = 45 PERIODS

COURSE OUTCOME

 The student will be able to understand different refrigeration systems and do the design of the same for a particular applications.

REFERENCES

1. Arora C.P., Refrigeration and Air conditioning, McGraw Hill, 3rd Ed., 2010.
2. Dossat R.J., Principles of refrigeration, John Wiley, S.I. Version, 2001.
3. Jordan and Priester, Refrigeration and Air conditioning 1985.
4. Kuehn T.H., Ramsey J.W. and Threlkeld J.L., Thermal Environmental Engineering, 3rd Edition, Prentice Hall, 1998.
5. Langley Billy C., ‘Solid state electronic controls for HVACR, Prentice-Hall 1986.
6. Rex Milter, Mark R.Miller., Air conditioning and Refrigeration, McGraw Hill, 2006.
7. Stoecker W.F., Refrigeration and Air conditioning, McGraw-Hill Book Company, 1989.