Engines

  • What are the four strokes of a gasoline engine?
  • What are key differences between a spark ignition engine and a diesel engine?
    • Consider fuels, efficiency, flame type, and ideal cycle
  • Sketch the ideal Otto cycle on a PV diagram
  • Sketch the ideal Diesel cycle on a PV diagram
  • What is the net work of a cycle produced in terms area on a PV diagram?
  • What is the net work of a cycle produced in terms of internal energy or enthalpy?
  • What is the definition of $\gamma$, what assumption is usually made, and what is it’s typical value for air?
  • What is the octane number?
  • What is the compression ratio?