AT6301 Automotive Engines Lecture Notes for 3rd Semester R2013 Automobile Engineering

  • 2Oct
  • 2014
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    Anna University, Chennai

    B.E/B.Tech Degree Examination

    Third Semester

    Automobile Engineering (AUTO)

    AT6301 Automotive Engines
    Lecture Notes

    Regulation 2013

    University : Anna University, Chennai
    Year : Second Year
    Department : Automobile Engineering (AUTO)
    Semester : 03 (III)
    Subject Code : AT6301
    Subject Name : Automotive Engines
    Regulation : 2013
    Attachment Type : PDF
    Description : AT6301 - Automotive Engines - Lecture Notes

    UNIT-I
    BASIC THEORY
    INTRODUCTION
    Definition of ‘Engine’
    An engine is a device, which transforms one form of energy into another form. Normally, most of the engines convert thermal energy into mechanical work and therefore they are called ‘heat engines’.

    Heat engines can be broadly classified into two categories:
    i. Internal Combustion Engines (IC Engines)
    ii. External Combustion Engines (EC Engines)

    External Combustion and Internal Combustion Engines
    External combustion engines are those in which combustion takes place outside the engine whereas in internal combustion engines combustion takes place within the engine.
    For example, in a steam engine or a steam turbine, the heat generated due to the combustion of fuel is employed to generate high pressure steam, which is used as the working fluid in a reciprocating engine or a turbine. In case of gasoline or diesel engines, the products of combustion generated by the combustion of fuel and air within the cylinder form the working fluid.

    Application of IC and EC Engines

    IC Engines
    1. GASOLINE ENGINE –AUTOMOTIVE, MARINE AIRCRAFT
    2. DIESEL ENGINE - AUTOMOTIVE, MARINE,POWER,LOCOMATIVE
    3. GAS ENGINES –INDUSTRIAL POWER

    EC Engines
    1. STEAM ENGINES – LOCOMOTIVES,MARINE
    2. STEAM TURBINE – POWER,LARGE MARINE

    Attachment :
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