For a hydroelectric plant, a hydraulic turbine-generator is installed at the site below the free surface. The turbine drives a generator for electricity. The elevation difference between the two free surfaces is . The power input from the fluid to the turbine is is . The shaft power output from the turbine is .(2)Calculate the mass flow rate of the fluid. __________ A.510 kg/s B.0.510 kg/s C.10.2 kg/s D.5.1 kg/s For a hydroelectric plant, a hydraulic turbine-generator is installed at the site below the free surface. The turbine drives a generator for electricity. The= 100kW. The shaft powerelevation difference between the two free surfaces is h=20m. The power input from the fluid to the turbine is is Wfluidoutput from the turbine is W = 80kW.sh(2)Calculate the mass flow rate in of the fluid.Turbine)O A. 510 kg/sB. 0.510 kg/sO C. 10.2 kg/sW₁udO D.5.1 kg/sffWshGeneratorWelec

Answered: For a hydroelectric plant, a hydraulic…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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For a hydroelectric plant, a hydraulic turbine-generator is installed at the site below the free surface. The turbine drives a generator for electricity. The elevation difference between the two free surfaces is . The power input from the fluid to the turbine is is . The shaft power output from the turbine is .

(2)Calculate the mass flow rate of the fluid. __________

A.

510 kg/s

B.

0.510 kg/s

C.

10.2 kg/s

D.

5.1 kg/s

For a hydroelectric plant, a hydraulic turbine-generator is installed at the site below the free surface. The turbine drives a generator for electricity. The
= 100kW. The shaft power
elevation difference between the two free surfaces is h=20m. The power input from the fluid to the turbine is is W
fluid
output from the turbine is W = 80kW.
sh
(2)Calculate the mass flow rate in of the fluid.
Turbine)
O A. 510 kg/s
B. 0.510 kg/s
O C. 10.2 kg/s
W₁ud
O D.5.1 kg/s
ff
Wsh
Generator
Welec

Expert Solution

Step 1 Introduction of Hydraulic Power.

Hydraulic Power is defined as the power available with fluid at entry to turbine or it is the power under which turbine is working. The general expression of Hydraulic power is given by

$P = \dot{m} g H$

$\begin{array}{rcl} w h e r e, \dot{m} & = & m a s s f l o w r a t e o f f l u i d \\ g & = & a c c e l e r a t i o n d u e t o g r a v i t y = 9.81 m / s^{2} \\ H & = & N e t h e a d u n d e r w h i c h t u r b i n e i s w o r k i n g \end{array}$

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