3.20) The first stage of an axial compressor is designed on free vortex principles, with no inlet guidevanes. The rotational speed is 6000 rev/min and the stagnation temperature rise is 20 K. Thehub-tip ratio is 0.60, the work-done factor is 0.93 and the isentropic efficiency of the stage is0.89. Assuming an inlet velocity of 140 m/s, the Mach number relative to the tip is limited to0.95 and ambient conditions of 1.01 bar and 288 K, calculate:(a) the tip radius and corresponding rotor air angles B1 and B2. [0.456 m, 63.95° and 56.40°](b) the mass flow entering the stage.[65.5 kg/s](c) the stage stagnation pressure ratio and power required.[1.233, 1317 kW](d) the rotor air angles at the root section.[50.83° and 18.32°]

Answered: Image /qna-images/answer/9d5cd20b-8a39-491a-8659-47021bacd013.jpg

(a) the tip radius and corresponding rotor air angles B1 and B2. (b) the mass flow entering the stage. (c) the stage stagnation pressure ratio and power required. (d) the rotor air angles at the root section.

(a) the tip radius and corresponding rotor air angles B1 and B2. (b) the mass flow entering the stage. (c) the stage stagnation pressure ratio and power required. (d) the rotor air angles at the root section.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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