A multi-stage axial flow compressor delivers a total pressure ratio of 5, the stagnation temperature at entry is 300 K a

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A Multi Stage Axial Flow Compressor Delivers A Total Pressure Ratio Of 5 The Stagnation Temperature At Entry Is 300 K A 1 (176.16 KiB) Viewed 32 times

A multi-stage axial flow compressor delivers a total pressure ratio of 5, the stagnation temperature at entry is 300 K and the overall isentropic efficiency is 80%. At mean diameter of each stage: the degree of reaction is 50%, the blade speed, U, is 278 m/s, the axial velocity, Ca, is 180 m/s, the absolute air velocity angle entering the rotor, a₁, is 200 and the work done factor, λ, is 0.9, determine (at mean diameter); i. ii. iii. iv. V. the rotor blade inlet angle, B₁ the polytropic efficiency, np the number of stages required the static temperature of the air at entry to the rotor, T₁ the rotor inlet relative Mach number, Mirel Take Cp 1005 J/kg.K, gas constant = 287 J/kg.K and y= 1.4 (CO3-18 marks)