Otto Cycle

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Introduction

Otto Cycle

Piston and cylinder.

  1. Adiabatic expansion process power. Combustion ends and power stroke begins.
  2. Isochoric cooling (Qout): Heat rejection. Power stroke ends, heat rejection starts.
  3. Isobaric compression: Exhaust
  4. Isobaric expansion: Intake
  5. Adiabatic compression
  6. Isochoric process: Combustion of fuel (heat is added in a constant volume; the burning of the gasoline-air mixture is instantaneous)

Ideal Gas and Ideal Otto

More realistic Otto cycle