Specific Fuel Consumption Given By Endurance for Jet Engine Calculator

Specific Fuel Consumption (SFC) given by endurance for a jet engine is the ratio of fuel consumption to thrust produced during a designated endurance period. Lower SFC values suggest greater fuel efficiency, enabling longer endurance and improved overall efficiency of the jet engine. Lower Specific Fuel Consumption (SFC) contributes to longer endurance by enhancing fuel efficiency, allowing an aircraft to cover greater distances or sustain flight for an extended period. Higher SFC values, on the other hand, lead to increased fuel consumption and reduced endurance. The formula to calculate Specific Fuel Consumption as follows:

  • is the specific fuel consumption in kg/Ws.
  • ( is the maximum lift-to-drag ratio.
  • is the weight of the fuel and payload at the start of loiter in kg.
  • is the weight of the fuel and payload at the end of loiter in kg.
  • is the endurance of the aircraft during the loiter phase in sec.

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