Calculadora de Consumo Específico de Combustible Gratis
Calcula el TSFC de motores a reacción. Relaciona consumo de combustible con empuje producido.
TSFC
25.000 kg/(kN·h)
TSFC vs Fuel Flow Rate
Fórmula
## Thrust Specific Fuel Consumption TSFC measures how efficiently a jet engine converts fuel into thrust. Lower values indicate better fuel economy. ### Formula **TSFC = fuel_flow / Thrust** where fuel_flow is in kg/h and thrust in kN for the common industry unit of kg/(kN·h). Modern high-bypass turbofans achieve TSFC values around 15-20 g/(kN·s). Turbojet engines are less efficient at about 25-30 g/(kN·s).
Ejemplo Resuelto
A turbofan engine producing 100 kN of thrust while burning 2500 kg/h of fuel.
- 01TSFC = 2500 kg/h ÷ 100 kN = 25 kg/(kN·h)
- 02Convert to SI: 25 / 3.6 = 6.944 g/(kN·s)
Preguntas Frecuentes
What is a good TSFC value?
Modern high-bypass turbofans have TSFC around 15-17 g/(kN·s) at cruise. Lower TSFC means better fuel efficiency. Older turbojet designs may have TSFC of 25-30 g/(kN·s).
How does TSFC vary with altitude?
TSFC generally improves (decreases) at higher altitudes due to lower air temperature improving the thermodynamic cycle efficiency. However, thrust also decreases with altitude.
What is the difference between TSFC and BSFC?
TSFC applies to jet engines and relates fuel consumption to thrust. BSFC (brake specific fuel consumption) applies to piston and turboprop engines and relates fuel consumption to shaft power.
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