A centrifugal pump supplies water at the rate of 400 liter/s and the pressure difference (AP) across pump is 200 kN/m². Diameter and width of the impeller at outlet are 40 cm and 10 cm respectively. Blade thickness occupied 10 percent of the circumference. Impeller inlet diameter is half of the outlet diameter. If the blades are radial, find: 1= Assume zero whirl at inlet (V₁=0; V₁_V₁₁; a=o) and diameter of suction and delivery pipes are equal (V₁₁=V₁₂). (i) The pump power input if overall efficiency is 80 percent (ii) The impeller speed in rpm, and (iii) Inlet blade angle

A centrifugal pump supplies water at the rate of 400 liter/s and the pressure difference (AP) across pump is 200 kN/m². Diameter and width of the impeller at outlet are 40 cm and 10 cm respectively. Blade thickness occupied 10 percent of the circumference. Impeller inlet diameter is half of the outlet diameter. If the blades are radial, find: 1= Assume zero whirl at inlet (V₁=0; V₁_V₁₁; a=o) and diameter of suction and delivery pipes are equal (V₁₁=V₁₂). (i) The pump power input if overall efficiency is 80 percent (ii) The impeller speed in rpm, and (iii) Inlet blade angle

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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