The inner diameter of an axial impeller is Di = 0.625 Do . If the rotational speed is 1470 rpm and at the inlet there is no pre-rotation. The hydraulic efficiency is 85%, the head is 6 m. The specific work along the mean radius is constant. The inlet and outlet blade angle are 9\deg and 12\deg respectively. Find the outer diameter, rotational speed, and power developed.

The inner diameter of an axial impeller is Di = 0.625 Do . If the rotational speed is 1470 rpm and at the inlet there is no pre-rotation. The hydraulic efficiency is 85%, the head is 6 m. The specific work along the mean radius is constant. The inlet and outlet blade angle are 9\deg and 12\deg respectively. Find the outer diameter, rotational speed, and power developed.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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Question

The inner diameter of an axial impeller is Di = 0.625 Do
. If the rotational speed is 1470 rpm and at the inlet
there is no pre- rotation. The hydraulic efficiency is
85%, the head is 6 m. The specific work along the
mean radius is constant. The inlet and outlet blade
angle are 9\deg and 12\deg respectively. Find the outer
diameter, rotational speed, and power developed.

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