Question: Question 3 FAN+LPF HPC CC HPT LPT The EJ200 is a low by-pass afterburning twin-spool turbofan engine developed by Eurojet for the Eurofighter Typhoon aircraft.

Question 3 FAN+LPF HPC CC HPT LPT The EJ200 is a low by-pass afterburning twin-spool turbofan engine developed by Eurojet for the Eurofighter Typhoon aircraft. Following are some the preliminary design data at sea level ambient conditions pa = 1.0132 bar, Ta = 298 K: The overall pressure ratio OPR 26, bypass ratio 0.4, mass flow rate 70+N kg/s, engine intake diameter 0.7 m Inlet diffuser: stagnation pressure ratio 0.98 LPF (one unit including fan and LPC): pressure ratio 4.2, isentropic efficiency 0.89, use ma HPC: isentropic efficiency 0.88, use mina Combustor: TIT 1800 K, combustion efficiency 98 %. Pressure loss 2%. HPT: drives the HPC, Mechanical efficiency 0.99, isentropic efficiency 0.93 LPT: drives LPF, mechanical efficiency 0.99, isentropic efficiency 0.93

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