Problem #2 Axial Compressor Data Speed of rotation (2) 28,000 rpm Pressure ratio 8 Mean blade radius (rm) 0.25 m Mass flow rate (m) 8 kg/s Inlet stagnation pressure (po1) 100kPa Inlet stagnation temperature (Tor) 288K Stage loading (w) 0.32 Total-to-total efficiency (7) 0.78 Inlet swirl angle (a,) 15° Inlet Mach number (M) Given the above information for an axial compressor a) Find the stagewise polytropic efficiency assuming equal work and efficiency per stage b) Estimate the minimum number of stages c) Calculate the reaction (R) If the turbine is rematched such that flow is redučed by 10% and the swirl angle remains constant d) Find the new stage loading (w) and reaction (R)

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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.