the velocity (ft/s) in the penstock, the head loss (ft), the head (ft) extracted by the turbine, the power Input (hp) to the turbine, and the power output (hp) expected from the turbine.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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PROBLEM E
A hydroelectric power plant operates under a discharge of 500 cfs with 90 % turbine efficlency. The overall head
loss Is 1.5 times the velocity head In the 7-ft-dlameter penstock. With the conditions stated, determine the
following:
(a) the velocity (ft/s) In the penstock,
(b) the head loss (ft).
(c) the head (ft) extracted by the turbine,
(d) the power Input (hp) to the turbine, and
(e) the power output (hp) expected from the turbine.
30 ft
Water
d=7 ft
5 ft
Transcribed Image Text:PROBLEM E A hydroelectric power plant operates under a discharge of 500 cfs with 90 % turbine efficlency. The overall head loss Is 1.5 times the velocity head In the 7-ft-dlameter penstock. With the conditions stated, determine the following: (a) the velocity (ft/s) In the penstock, (b) the head loss (ft). (c) the head (ft) extracted by the turbine, (d) the power Input (hp) to the turbine, and (e) the power output (hp) expected from the turbine. 30 ft Water d=7 ft 5 ft
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