1. A pump station design fills a pressurized water tank by pumping water from a reservoir. The flow rate is 0.75 cfs. The pump is 10 feet above the reservoir, and the water tank is 100 ft above the pump. The pressure in the water tank is 10 psi. The suction and discharge lines are both (actual diameter) 6-inch Sch 40 steel (pipe roughness=0.00015 ft). Use a kinematic viscosity of 1.21 x 105 ft²/s. Total pipe length is 200 ft. The suction line is 10 ft. You must account for friction loss, but you can neglect the minor losses. a. What is the head added by the pump in ft? b. What is the power added by the pump in HP (recall 1 HP = 550 ft*lb/s)? 110 ft 10 ft O ft

1. A pump station design fills a pressurized water tank by pumping water from a reservoir. The flow rate is 0.75 cfs. The pump is 10 feet above the reservoir, and the water tank is 100 ft above the pump. The pressure in the water tank is 10 psi. The suction and discharge lines are both (actual diameter) 6-inch Sch 40 steel (pipe roughness=0.00015 ft). Use a kinematic viscosity of 1.21 x 105 ft²/s. Total pipe length is 200 ft. The suction line is 10 ft. You must account for friction loss, but you can neglect the minor losses. a. What is the head added by the pump in ft? b. What is the power added by the pump in HP (recall 1 HP = 550 ft*lb/s)? 110 ft 10 ft O ft

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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Concept explainers

Pressurized pipe flow

A 15-kilometer-long pipe with a pipe diameter of one meter transports water at a speed of one meter per second. The pipe has a friction coefficient of 0.005. Calculate the frictional head loss?

Question

1. A pump station design fills a pressurized water tank by pumping water from a
reservoir. The flow rate is 0.75 cfs. The pump is 10 feet above the reservoir, and the
water tank is 100 ft above the pump. The pressure in the water tank is 10 psi. The
suction and discharge lines are both (actual diameter) 6-inch Sch 40 steel (pipe
roughness = 0.00015 ft). Use a kinematic viscosity of 1.21 x 10-5 ft²/s. Total pipe length
is 200 ft. The suction line is 10 ft. You must account for friction loss, but you can neglect
the minor losses.
a. What is the head added by the pump in ft?
b. What is the power added by the pump in HP (recall 1 HP = 550 ft*lb/s)?
110 ft
10 ft
0 ft

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Step 1: Friction loss in pump

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Step 2: Given

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Step 3: Calculating flow velocity, head loss and total head difference

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Step 4: Calculating pressure difference and power added by pump

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