Table Q4 shows experimental data gathered from propeller turbin running at full oper Table Q4. At propeller turbine guide vane setting of 100% Apl Delivary (bar) pressure P4 (KPa) Flow Rate Hydraulic Power Turbine Shaft Turbine Turbine Speed (rey min. D Efficiency (m3 sl) (W) Power
Table Q4 shows experimental data gathered from propeller turbin running at full oper Table Q4. At propeller turbine guide vane setting of 100% Apl Delivary (bar) pressure P4 (KPa) Flow Rate Hydraulic Power Turbine Shaft Turbine Turbine Speed (rey min. D Efficiency (m3 sl) (W) Power
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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![Q4.
Table Q4 shows experimental data gathered from propeller turbin running at full open condition.
Table Q4.
| At propeller turbine guide vane setting of 100%
Turbine
Speed
(rev.min-1)
Apl Delivary
(bar) pressure
P4 (KPa)
Flow
Hydraulic
Power
Turbine
Shaft
Turbine
Rate
(m3.s-1) (W)
Efficiency
Power
(W)
0.25 0.38
0.24 0.38
0.24 0.38
0.24 0.38
0.24 0.39
0.24 0.39
0.24 0.4
1200
1100
3
1000
7.
900
8.
800
8.
700
8
600
500
0.23
0.4
0.23 0.4
0.23 0.4
0.23 0.41
400
9.
300
8
200
6.
(a)
Complete the table and plot turbine shaft power (vertical axis) vs. speed on a graph
(horizontal axis).
(b) Explain the effect of speed on shaft power and the speed at which maximum power is
achieved.
Make a graph that compares efficiency (vertical axis) with speed (horizontal axis)
(horizontal axis).
(c)
(d)
Explain the influence of turbine speed on turbine efficiency and the speed at which the
maximum efficiency is achieved. Why is this turbine's efficiency so poor when compared
to industrial turbines?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffdd90f11-5c88-464d-9d78-11a167b9e476%2F97516772-e276-4135-8bbf-710c4a10ccd7%2Fl9nsfs_processed.png&w=3840&q=75)
Transcribed Image Text:Q4.
Table Q4 shows experimental data gathered from propeller turbin running at full open condition.
Table Q4.
| At propeller turbine guide vane setting of 100%
Turbine
Speed
(rev.min-1)
Apl Delivary
(bar) pressure
P4 (KPa)
Flow
Hydraulic
Power
Turbine
Shaft
Turbine
Rate
(m3.s-1) (W)
Efficiency
Power
(W)
0.25 0.38
0.24 0.38
0.24 0.38
0.24 0.38
0.24 0.39
0.24 0.39
0.24 0.4
1200
1100
3
1000
7.
900
8.
800
8.
700
8
600
500
0.23
0.4
0.23 0.4
0.23 0.4
0.23 0.41
400
9.
300
8
200
6.
(a)
Complete the table and plot turbine shaft power (vertical axis) vs. speed on a graph
(horizontal axis).
(b) Explain the effect of speed on shaft power and the speed at which maximum power is
achieved.
Make a graph that compares efficiency (vertical axis) with speed (horizontal axis)
(horizontal axis).
(c)
(d)
Explain the influence of turbine speed on turbine efficiency and the speed at which the
maximum efficiency is achieved. Why is this turbine's efficiency so poor when compared
to industrial turbines?
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