Page 46 - BE Mech Curriculum and Syllabus - R2017 - REC

Department of MECH | REC

2. HMT, "Production Technology", HMT Bangalore, 2017.
3. Geofrey Boothroyd, "Fundamentals of Metal Machining and Machine Tools", Taylor & Francis,
2005.
4. Roy. A.Lindberg, “Process and Materials of Manufacture,” Fourth Edition,Pearson Education,
2015.

L T P C
ME17404 THERMAL ENGINEERING- I
3 0 0 3

OBJECTIVES:
 To integrate the concepts, laws and methodologies from the first course in thermodynamics into
analysis of cyclic processes
 To know the concepts of various carburetors, ignition system of an IC engines.
 To know the concepts of various lubrication and cooling system of an IC engines.
 To familiarize with testing of an IC engines.
 To familiarize with fuels and combustion also the knocking in an engine.

UNIT I THERMODYNAMIC CYCLES & IC ENGINES 9
Determination of state’s properties, terminologies and cycle efficiencies: Carnot cycle, Air standard cycles-
Otto cycle, Diesel cycle, Dual cycle, comparison of Otto, diesel, and Dual Cycle. I C Engines - Classification.
Principle and working of four stroke and two stroke petrol and diesel engines with P-V and T-S and valve and
port timing diagrams. Comparison of petrol and diesel engines - two stroke and four stroke engines.

UNIT II FUEL SUPPLY AND IGNITION SYSYEMS 9
Working principles of carburetors, MPFI system. Battery and Magneto ignition type systems. Diesel fuel
pumps and injector- working principle- CRDI system. Supercharging, turbo charging and its types – Working
Principle.

UNIT III LUBRICATION AND COOLING SYSYEMS 9
Necessity of lubricating system, properties of lubricating oil; Methods and types of lubrication systems; wet
sump and dry sump systems; necessity of engine cooling; disadvantages of over cooling. Cooling systems; air
cooling, water cooling: radiators.

UNIT IV TESTING AND PERFORMANCE 9
Testing of IC engines-basics, engine measurements; air & fuel flow rate, constant speed and variable speed
test, methods of estimating indicated power: Indicator diagram; Willan’s line; Morse test, brake power,
volumetric efficiency. Heat balance test. emission measurement, emission reduction techniques

UNIT V FUELS & COMBUSTION ENGINEERING 9
Chemical reactions, fuel properties, flue gas analysis, Heating values –HCF and LCF analysis. Minimum air
flow requirement for combustion. Normal and abnormal combustion processes –knocking / detonation,
Factors affecting knocking/detonation in SI and CI engines; Fuel ratings: Octane and Cetane numbers,
adiabatic flame temperature calculation.

TOTAL: 45 PERIODS
OUTCOMES:
Upon completion of this course, the students able to
 Analyse the gas power cycle efficiencies and use of them in IC Engines.
 Explain the working of carburettor and various Ignition systems.
 Understand about various types of Lubrication and cooling systems.
 Analyze the performance parameters of an Internal combustion engine.
 Apply their knowledge on fuel properties and combustion characteristics.

TEXT BOOKS:

Curriculum and Syllabus | B.E. Mechanical Engineering | R2017 Page 46