Problem 2 Simple propulsion cycle Jumo 004 (90 points)

Given engine design parameters:

• Compressor pressure ratio 3.14

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Compressor isentropic efficiency 74%

• Turbine inlet temperature 1050K

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Turbine isentropic efficiency 82%

Inlet air flow rate 23.5 kg/s

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Cruise condition 205 m/s at 3 km altitude on a standard day

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Draw the cycle on a T-s diagram

Identify the process in the cycle

Calculate the pressure and temperature for the following states:

(a) Freestream condition (Ta, Pa)

(b) The compressor inlet (T₁, P₁)

(c) The compressor ideal exit condition (T25, P₂)