ME2301 THERMAL ENGINEERING lecture notes | for MECH - V semester |by R.Anirudhan

ME2301 THERMAL ENGINEERING lecture notes | for MECH - V semester |by R.Anirudhan

download link : "ME2301 lecture notes"

syllabus :
UNIT I GAS POWER CYCLES 
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 
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 
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 
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 
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)
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