The following data apply to a twin-spool turbofan engine, with the fan driven by the LP turbine and the compressor by the HP turbine. Separate hot and cold nozzles are used: Compressor pressure ratio: 12.5 Fan pressure ratio: 1.6 ● Bypass ratio: 3.5 Turbine inlet temperature: 1300 K • Air mass flow: 120 kg/s ● = Cph = 1.14 kJ/kg K, ₁-1.336 Find the sea-level static thrust and TSFC if the ambient pressure and temperature are 1 bar and 288 K. Heat value of the fuel: 43 MJ/kg
The following data apply to a twin-spool turbofan engine, with the fan driven by the LP turbine and the compressor by the HP turbine. Separate hot and cold nozzles are used: Compressor pressure ratio: 12.5 Fan pressure ratio: 1.6 ● Bypass ratio: 3.5 Turbine inlet temperature: 1300 K • Air mass flow: 120 kg/s ● = Cph = 1.14 kJ/kg K, ₁-1.336 Find the sea-level static thrust and TSFC if the ambient pressure and temperature are 1 bar and 288 K. Heat value of the fuel: 43 MJ/kg
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Transcribed Image Text:The following data apply to a twin-spool turbofan engine, with the fan driven by the
LP turbine and the compressor by the HP turbine. Separate hot and cold nozzles are
used:
• Compressor pressure ratio: 12.5
● Fan pressure ratio: 1.6
●
Bypass ratio: 3.5
●
Turbine inlet temperature: 1300 K
●
Air mass flow: 120 kg/s
• Cph = 1.14 kJ/kg K, = 1.336
Find the sea-level static thrust and TSFC if the ambient pressure and temperature are
1 bar and 288 K. Heat value of the fuel: 43 MJ/kg
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