The pump whose characteristic curves are shown in Figure 11.5.136 is used to pump water from resenve:to reservoir B through 1000 ft of 8.00-in diameter pipe whose friction factor is 0.017 (as shor AFigure 11.5.14). Use the entrance loss coefficient of Ke= 0.5 and gate valve loss of KGv=0.2. (a) Whflow rate does it pump? (b) What input power is required to drive the pump?EXAMPLE 11.5.2Elev. 50.0'Gate valveоpenElev. 30.0'Elev. 20.0'PumpGate valveоpenElev. 0.0'1000 ftAFigure 11.5.14 Example 11.5.2 pipe system. Single-stage pumpImpeller diameter = 12.0 inOperated at N = 1800 RPM120-System curveexample 12.5.2НеadSystem curveexample 12.5.1100100Q = 4.4 cfsH = 98 ftE = 83%8080Q = 5.7 cfsH = 82.3 ftE = 74%6060Efficiency4040124Discharge Q (ft/sec)(b)Figure 11.5.13 (a) Figure for example 11.5.1. (b) Characteristic curves for examples 11.5.1 and 11.5.2.Efficiency (%)20CO20Head (ft)

(a) Flow rate from the pump (Q): From the given characteristic curves of the pump and pipe flow…

The pump whose characteristic curves are shown in Figure 11.5.13bis used to pump water from reservoir A to reservoir B through 1000 ft of 8.00-in diameter pipe whose friction factor is 0.017 (as shoue Figure 11.5.14). Use the entrance loss coefficient of K. = 0.5 and gate valve loss of KGy=0.2. (o) win flow rate does it pump? (b) What input power is required to drive the pump?

The pump whose characteristic curves are shown in Figure 11.5.13bis used to pump water from reservoir A to reservoir B through 1000 ft of 8.00-in diameter pipe whose friction factor is 0.017 (as shoue Figure 11.5.14). Use the entrance loss coefficient of K. = 0.5 and gate valve loss of KGy=0.2. (o) win flow rate does it pump? (b) What input power is required to drive the pump?

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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