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MindTap Engineering for Dunlap's Sustainable Energy, SI Edition, 2nd Edition [Instant Access], 1 term (6 months)
2nd Edition
ISBN: 9781337551755
Author: DUNLAP
Publisher: Cengage Learning US
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Question
Chapter 11, Problem 10P
(a)
To determine
Find the flow rate of the water in the penstock.
(b)
To determine
Find the velocity of the water in the penstock.
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Students have asked these similar questions
1) A pelton wheel is used to produce hydroelectric power. The average radius of the wheel is 1.83 m, and the jet velocity is 100 m/s from a nozzle of exit diameter equal to 10 cm. What is the volume flow rate through the turbine in m3/s?
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78.54
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0.785
2) A water pump increases the pressure of the water passing through it (see picture below). The flow is assumed to be incompressible. If the outlet diameter is less than inlet diameter, which of the following about outlet and inlet fluid velocity is correct?
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Water in a reservoir is flowing through a hydroelectric plant. The water level in the reservoir
is 53 ft. The water level on the spillway is 3 feet and its width is 10 feet. The headloss is 10 ft.
The flow leaving the reservoir is 500 cubic feet per second. What is the amount of head
available to drive the turbine?
48.62 ft
31.38 ft
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A hydroelectric power generating system
is shown in the figure. Water flows from
an upper reservoir to a lower one passing
through a turbine at the rate of 286 liters
per second. The total length of pipe
connecting the two reservoirs is 186 m.
The pipe diameter is 346 mm and the
Hazen-Williams coefficient is 129. The
water surface elevations of reservoirs 1
and 2 are 194 m and 69 m, respectively.
Determine the power in kW required by
the turbine if it is 63% efficient? Neglect
minor losses.
Round your answer to 3 decimal places.
Turbine
0°o°
00⁰⁰
Chapter 11 Solutions
MindTap Engineering for Dunlap's Sustainable Energy, SI Edition, 2nd Edition [Instant Access], 1 term (6 months)
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