Q2//The rotational-speed of an impulse turbine wheel is 3000 r.p.m. The nozzles are inclined at 20° and their efficiency is 0.89. The isentropic heat drop for the stage is 159 kJ/kg. If the blade speed ratio is 0.4, the blade speed coefficient is 0.82, and the blade efficiency is 0.76. Find for steam flow rate of 15 kg/s: 1. The mean blade ring diameter. 2. The power developed by the stage. B = 32.4°;ße = 38.5°). %3D Answer (1.355m, 1613.2 kW,

Q2//The rotational-speed of an impulse turbine wheel is 3000 r.p.m. The nozzles are inclined at 20° and their efficiency is 0.89. The isentropic heat drop for the stage is 159 kJ/kg. If the blade speed ratio is 0.4, the blade speed coefficient is 0.82, and the blade efficiency is 0.76. Find for steam flow rate of 15 kg/s: 1. The mean blade ring diameter. 2. The power developed by the stage. B = 32.4°;ße = 38.5°). %3D Answer (1.355m, 1613.2 kW,

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Q2//The rotational-speed of an impulse turbine wheel is 3000 r.p.m. The nozzles are inclined at 20° and
their efficiency is 0.89. The isentropic heat drop for the stage is 159 kJ/kg. If the blade speed ratio is 0.4,
the blade speed coefficient is 0.82, and the blade efficiency is 0.76. Find for steam flow rate of 15 kg/s:
1. The mean blade ring diameter.
2. The power developed by the stage.
B = 32.4°:Be :
38.5°).
%3D
%3D
Answer (1.355m, 1613.2 kW,

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