Transcription of Internal Combustion Engines - iitg.ac.in
{{id}} {{{paragraph}}}
Example: barber
Internal Combustion Engines - iitg.ac.in
1 Internal Combustion EnginesLecture-6 UjjwalKSaha, of Mechanical EngineeringIndian Institute of Technology GuwahatiPrepared underQIP-CD Cell Project2 Crank shaft 90o180oBDCTDC0o270o Engine Operating CycleSpark plug for SI engineFuel injector for CI engineTop Center(TC)BottomCenter(BC)ValvesClearanc evolumeCylinder wallPistonStrokeCArevrevsCA 360 1 speedcrank anglescrank time ==3SI and CI Engines Spark ignition (SI): Combustion is initiated by spark air and fuel can be added together Compression ignition (CI): Combustion is initiated by auto ignition requires fuel injection to control ignition4 In spark ignition Engines , air and fuel are usually mixed prior to entry into the Mixing The ratio of mass flow of air to the mass flow of fuel must be held roughly constant at about 15 for proper Combustion . Conventionally, a mechanical device known as a carburetoris used to mix fuel and air. Most modern cars use electronic fuel-injectionsystems.
1 Internal Combustion Engines Lecture-6 Ujjwal K Saha, Ph.D. Department of Mechanical Engineering Indian Institute of Technology Guwahati Prepared under …
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: