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Module 15. Gas turbine engine

Kerosene will burn effectively at an air/fuel ratio of

  • 150:1.
  • 15:1.
  • 45:1.

Explanation

For efficient combustion kerosene must burn close to its stoichiometric air/fuel ratio, which is approximately 15:1 by mass. Although the overall engine air/fuel ratio is far weaker (around 60:1 or more), the air is split so that the primary combustion zone is kept near this 15:1 chemically correct ratio.

max.steelame asking:

but the mixture provided to the combustion chamber is of ratio 45:1

Community Comments (1)

S
shatnawi Posts: 1 18.11.2018 / 11:50
True but you only burn third of it

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