Syllabus - Internal Combustion Engines (EV402)

Electric Vehicles

Internal Combustion Engines (EV402)

IV

Unit 1

Introduction of IC Engine

Internal Combustion Engine: S.I. and C.I. engines of two and four stroke cycles, real cycle analysis of SI and CI engines, determination of engine dimensions, speed, fuel consumption, output, mean effective pressure, efficiency, factors effecting volumetric efficiency, heat balance, performance characteristics of SI and CI engines, cylinder arrangement, firing order, power balance for multi-cylinder engines.

Unit 2

Combustion in SI engines

Flame development and propagation, Pressure-Crank Angle diagram, Stages of Combustion ignition lag, effect of air density, temperature, engine speed, turbulence and ignition timings, physical and chemical aspects, abnormal Combustion, effect of engine and fuel variables on abnormal combustion, pre-ignition, its causes and remedy, salient features of various type combustion chambers.

Unit 3

Combustion in CI Engines

Various stages of combustion in CI Engines, delay period, diesel knock, knock inhibitors, salient features of various types of combustion chambers.Fuel injection in CI engine, Working Principle of fuel pump & fuel injectors, types of nozzles. Fuel injection in SI engine (MPFI, TBI,CRDI ), Theory of carburetion, Solex Carburetor, simple problems on carburetion. Fuel metering in CI engines

Unit 4

Fuel

Classification of IC Engine fuels, Desirable characteristics of SI & CI engine fuels, Rating of SI & CI engine fuels, Alternative fuels for SI and CI engine (liquid, gaseous, hydrogen, LPG, CNG, Biogas etc.), Air requirement, Analysis of combustion products, HHV and LHV of fuels.

Unit 5

Supercharging & Turbo charging

Methods of supercharging, & turbo charging Effects of super charging and turbo charging. Engine Modifications for supercharging, supercharging of two stroke engines. microprocessor controlled supercharging. Cooling & lubrication of SI & CI Engines.

Course Objective

After studying this course, students will be able to learn. S.I. and C.I. engines of two and four stroke cycles, real cycle analysis. Combustion process in SI engines. Combustion process in CI engines. Classification of IC Engine fuels, its desirable characteristics, fuel rating and alternative fuels available. Supercharging & Turbo charging

Practicals

  • Determination of Valve timing diagram

  • Load test on Petrol Engine

  • Heat Balance of SI engine

  • Heat Balance of CI Engine

  • Study of Battery Ignition system and Electronic Ignition System

  • Study of Diesel fuel pump

  • Study of Diesel fuel injectors

  • Study of Carburetors

  • Study of Fuel Injection system in SI Engine

  • Study of lubricating system in CI Engine

Reference Books

  • J.B. Heywood. Internal combustion Engines, Wiley

  • Ganeshan V; Internal Combustion engines; TMH

  • Mathur M L & Sharma RP; A. Course in IC engines; DhanpatRai

  • R Yadav, Internal Combustion Engines

  • Halderman JD and Mitchell CD; Automotive Engines theory and servicing; Pearson

  • DomKundwar; Internal Combustion Engines;Dhanpat Rai Publications

  • Taylor GF; Internal Combustion Engines Theory & Practice; MIT Press

  • Richard Stone; Introduction to IC Engines; Society of Automotive Engr (Palgrave Mc Millan)