An axial flow Impulse gas turbine stage receives a mass flow rate of 75 lbm/s at a velocity V1. It has a hub and tip radii of 8.4 in and 14.4 in respectively. The gas leaves the stator with an angle of α1=60º with the tangential direction. The blade angle at the outlet is βb2=35.61º. Take ρgas=0.085 lbm/ft3. Determine the absolute velocity at the inlet in ft/s. Determine the blade angle at the inlet βb1

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Answered: An axial flow Impulse gas turbine stage…

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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An axial flow Impulse gas turbine stage receives a mass flow rate of 75 lb_m/s at a velocity V₁. It has a hub and tip radii of 8.4 in and 14.4 in respectively. The gas leaves the stator with an angle of α₁=60º with the tangential direction. The blade angle at the outlet is β_b2=35.61º. Take ρ_gas=0.085 lb_m/ft³.

Determine the absolute velocity at the inlet in ft/s.
Determine the blade angle at the inlet β_b1

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