Page 84 - BE Mech Curriculum and Syllabus - R2017 - REC

Department of MECH | REC

UNIT III OTHER REFRIGERATION SYSTEMS 9
Working principles of Vapour absorption systems and adsorption cooling systems - Steam jet refrigeration-
Thermoelectric refrigeration- Air refrigeration - Magnetic - Vortex and Pulse tube refrigeration systems

UNIT IV PSYCHROMETRIC PROPERTIES AND PROCESSES 9
Properties of moist Air-Gibbs Dalton law, Specific humidity, Dew point temperature, Degree of saturation,
Relative humidity, Enthalpy, Humid specific heat, Wet bulb temp., Thermodynamics wet bulb temp.,
Psychrometric chart; Psychrometry of air-conditioning processes, mixing of air stream.

UNIT V AIR CONDITIONING SYSTEMS AND LOAD ESTIMATION 9
Air conditioning loads: Outside and inside design conditions; Heat transfer through structure, Solar radiation,
Electrical appliances, Infiltration and ventilation, internal heat load; Apparatus selection; fresh air load,
human comfort & IAQ principles, effective temperature & chart, calculation of summer & winter air
conditioning load; Classifications, Layout of plants; Air distribution system. Air Conditioning Systems with
Controls: Temperature, Pressure and Humidity sensors, Actuators & Safety controls, Filters.

TOTAL: 45 PERIODS
OUTCOMES:
Upon completion of this course, the students will be able to:
 Appreciate the principles of operation vapour compression refrigeration systems.
 Appreciate the principles of operation of different Refrigeration and Air conditioning systems in
total as well as the significance of the various component system.
 Demonstrate the operations in different Refrigeration & Air conditioning systems.
 Design Refrigeration & Air conditioning systems.
 Demonstrate and design the load calculation

TEXT BOOKS:
1. Arora, C.P., “Refrigeration and Air Conditioning”, McGraw Hill, 3rd edition New Delhi, 2010.
2. Stoecker, W.F. and Jones J. W.,” Refrigeration and Air Conditioning”, McGraw Hill,
3. New Delhi, 1986.

REFERENCES:
1. Roy J. Dossat, “Principles of Refrigeration”, Pearson Education Asia, 5th ed, 2009.
2. “ASHRAE Hand book”, Fundamentals 2017
3. Jones W.P., “Air conditioning engineering”, Elsevier Butterworth-Heinemann, 5th ed, 2001.
4. Manohar Prasad, “ Refrigeration and Air Conditioning”, New Age International., 2009
5. R.K. Rajput, "A Textbook of Refrigeration and Air-Conditioning" S.Chand Publishing 2013
6. Ananthanarayanan, "Basic Refrigeration and Air Conditioning"McGraw Hill, 4th edition New
Delhi

L T P C
ME17E73 WELDING TECHNOLOGY
3 0 0 3

OBJECTIVES:
 To understand principles, types, merits, demerits and application of gas and arc welding processes.
 To understand principles, types, merits, demerits and application of resistance welding processes.
 To understand principles, types, merits, demerits and application of solid state welding processes.
 To understand different other welding processes for the automation in aerospace, nuclear and surface
transport vehicles.
 To be familiar with the weldability of various materials processes.

UNIT I GAS AND ARC WELDING PROCESSES 9

Curriculum and Syllabus | B.E. Mechanical Engineering | R2017 Page 84