The speed of rotation of a blade group of a reaction turbine is 3000 rev/min. The mean blade velocity is 100 m/s. The blade speed ratio is 0.56 and the exit angle of the blades is 20°. If the mean specific volume of the steam is 0.65 m'/kg, and the mean height of the blades is 25 mm, calculate the mass flow of steam through the turbine. Neglect the effect of blade thick ness on the annulus area, and assume 50% reaction blading. (16900 kg/h)

The speed of rotation of a blade group of a reaction turbine is 3000 rev/min. The mean blade velocity is 100 m/s. The blade speed ratio is 0.56 and the exit angle of the blades is 20°. If the mean specific volume of the steam is 0.65 m'/kg, and the mean height of the blades is 25 mm, calculate the mass flow of steam through the turbine. Neglect the effect of blade thick ness on the annulus area, and assume 50% reaction blading. (16900 kg/h)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Question

The speed of rotation of a blade group of a reaction turbine is 3000 rev/min. The mean
blade velocity is 100 m/s. The blade speed ratio is 0.56 and the exit angle of the blades
is 20°. If the mean specific volume of the steam is 0.65 m'/kg, and the mean height of
the blades is 25 mm, calculate the mass flow of steam through the turbine. Neglect the
cffect of blade thick ness on the annulus area, and assume 50% reaction blading.
(16 900 kg/h)
397

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