5-1 #5-75 1. A centrifugal pump/is being tested in a laboratory. The inside and outside radii of the impellers are_7.5 cm and(15.0 cm, respectively. The width of the impeller vanes (or flow opening height) varies from 5.0 cm at intake to 3.0 cm at outflow. The measured flow rate is 55 liters/sec. The water entry to the impeller is shockless (a = 90°), vane angle at inlet is 150° and exit flow angle is 22.4°. (a) Draw the velocity triangles at inlet and outlet clearly indicating all the velocities and angles. (b) What is the pump speed (in rpm)? (c) What is the power input to the pump (in kW)? [3] [4] [3]

5-1 #5-75 1. A centrifugal pump/is being tested in a laboratory. The inside and outside radii of the impellers are_7.5 cm and(15.0 cm, respectively. The width of the impeller vanes (or flow opening height) varies from 5.0 cm at intake to 3.0 cm at outflow. The measured flow rate is 55 liters/sec. The water entry to the impeller is shockless (a = 90°), vane angle at inlet is 150° and exit flow angle is 22.4°. (a) Draw the velocity triangles at inlet and outlet clearly indicating all the velocities and angles. (b) What is the pump speed (in rpm)? (c) What is the power input to the pump (in kW)? [3] [4] [3]

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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