Sunday 24 June 2012
ME2301 THERMAL ENGINEERING Syllabus for Mechanical Fifth(5th) Semester - Anna University
ME2301 THERMAL ENGINEERING L
T P
C
3 1
0 4
OBJECTIVE:
· To integrate the concepts, laws and methodologies from the first course in thermo dynamics into analysis of cyclic processes
· To apply the thermodynamic concepts into various thermal
application like IC
engines, Steam Turbines, Compressors and Refrigeration and Air conditioning
systems
UNIT I
GAS POWER
CYCLES
12
Otto, Diesel, Dual, Brayton cycles, Calculation of mean effective pressure,
and air standardefficiency - Actual and theoretical PV diagram of four stroke and two stroke
engines
UNIT II INTERNAL COMBUSTION ENGINES
12
Classification - Components and their
function - Valve timing diagram and port
timingdiagram - Comparison of two stroke
and
four stroke engines - Carburettor
system,Diesel pump and injector system.
Performance calculation - Comparison of petrol and diesel engine -
Lubrication system and Cooling system
- Battery and Magneto Ignition System – Formation of exhaust
emission in SI and CI engines
UNIT III
STEAM
NOZZLES AND TURBINES
12
Flow of steam through nozzles, shapes of nozzles, effect of friction, critical pressure
ratio, supersaturated flow, Impulse and Reaction principles, compounding,
velocitydiagram for simple and multi-stage turbines, speed regulations –Governors.
UNIT IV AIR COMPRESSOR
12
Classification and working principle of various types
of
compressors, work of compression with and without clearance, Volumetric efficiency, Isothermal efficiency and Isentropic efficiency of reciprocating compressors, Multistage air compressor and inter cooling –work of multistage air
compressor
UNIT V
REFRIGERATION
AND AIR CONDITIONING 12
Vapour compression refrigeration cycle- super
heat, sub cooling – Performance calculations - working principle of vapour absorption system, Ammonia –Water, Lithium
bromide –water systems (Description only) - Alternate refrigerants – Comparison between vapour compression and absorption systems - Air conditioning system: Types, Working Principles - Psychrometry, Psychrometric chart - Cooling Load calculations - Concept of RSHF, GSHF, ESHF -(Use of standard thermodynamic tables, Mollier
diagram, Psychrometric chart and refrigerant property tables
are permitted in the
examination)
TEXT BOOKS:
TOTAL: 60 PERIODS
1. Sarkar, B.K,”Thermal Engineering” Tata McGraw-Hill
Publishers, 2007
2. Kothandaraman.C.P., Domkundwar.S,Domkundwar. A.V., “A course in thermal
engineering,”Dhanpat Rai &sons ,Fifth edition, 2002
REFERENCES:
1. Rajput. R. K., “Thermal Engineering” S.Chand Publishers , 2000
2. Arora.C.P,”Refrigeration and Air
Conditioning ,” Tata McGraw-Hill
Publishers 1994
3. Ganesan V..” Internal
Combustion Engines” , Third Edition, Tata Mcgraw-Hill 2007
4. Rudramoorthy, R, “Thermal
Engineering “,Tata McGraw-Hill, New Delhi,2003
By Vinoth
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