A centrifugal compressor has the following operating characteristics: mass flow rate=9 kg/sec Slip factor = 0.9 Rotational speed - 290 rev/sec Impeller diameter = 0.5m Eye tip diameter = 0.3m Eye root diameter = 0.15m Inlet stagnation temperature = 295K Inlet stagnation pressure = 1.1 bar Overall isentropic efficiency = 0.78 Determine the following: a) compressor pressure ratio, b) inlet power required assuming no swirl at the inlet, c) the inlet angle of the impeller vanes at the root and tip of the eye assuming the inlet velocity is constant across the eye annulus, d) the exit flow velocity, e) blade angles at the tip and hub exit. f) estimate the axial depth of the impeller channels at the periphery of the impeller. 8) draw a diagram of the compressor with labels and numbers for each section. h) draw the velocity triangles at the entry and exit of the impeller on the compressor diagram. I) draw the h-s diagram for the compressor using the same numbers as on your compressor

A centrifugal compressor has the following operating characteristics: mass flow rate=9 kg/sec Slip factor = 0.9 Rotational speed - 290 rev/sec Impeller diameter = 0.5m Eye tip diameter = 0.3m Eye root diameter = 0.15m Inlet stagnation temperature = 295K Inlet stagnation pressure = 1.1 bar Overall isentropic efficiency = 0.78 Determine the following: a) compressor pressure ratio, b) inlet power required assuming no swirl at the inlet, c) the inlet angle of the impeller vanes at the root and tip of the eye assuming the inlet velocity is constant across the eye annulus, d) the exit flow velocity, e) blade angles at the tip and hub exit. f) estimate the axial depth of the impeller channels at the periphery of the impeller. 8) draw a diagram of the compressor with labels and numbers for each section. h) draw the velocity triangles at the entry and exit of the impeller on the compressor diagram. I) draw the h-s diagram for the compressor using the same numbers as on your compressor

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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