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Petrol engine and diesel engine

Petrol engine and diesel engine. Cycle ( Otto and diesel) comparison. Suction stroke Compression stroke Working stroke Exhaust stroke. Otto cycle ( theoretical). Stroke is represented by the line horizontal line AB. Suction stroke. Reversible adiabatic Represented by curve BC.

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Petrol engine and diesel engine

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  1. Petrol engine and diesel engine Cycle ( Otto and diesel) comparison

  2. Suction stroke Compression stroke Working stroke Exhaust stroke Otto cycle ( theoretical)

  3. Stroke is represented by the line horizontal line AB. Suction stroke

  4. Reversible adiabatic Represented by curve BC. Constant volume combustion process represented by vertical line CD. Compression stroke

  5. Process is represented by the line DE. (reversible adiabatic process) Exhaust opens and drop in pressure is represented by EB. Working stroke

  6. Process is represented by a horizontal line BA. Exhaust stroke

  7. Diesel cycle

  8. This process is represented by the horizontal line AB. Suction stroke

  9. Adiabatic process represented by the line BC. Compression stroke

  10. Constant pressure expansion due to combustion of fuel is represented by CD. Expansion of burnt gases represented by the curve DE. Power stroke

  11. Exhaust port opens at end of previous stroke represented by curve EB. Exhaust gases expelled out represented by the curve BA. Exhaust stroke

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