Q2/ An outward flow reaction turbine has tangential velocity at its inner rim as 20 m/s, and ratio of radii is 0.9. The turbine is placed 1 m below the water surface and blade angle are 90° and 20° at inlet and outlet respectively. The radial velocity of flow at inlet is 6 m/s. Neglecting frictional losses and taking the discharge as radial, draw velocity triangles at inlet and outlet and find: (a) guide vane angle (b) the velocity of water from the guides. (c) total head of water (d) hydraulic efficiency
Q2/ An outward flow reaction turbine has tangential velocity at its inner rim as 20 m/s, and ratio of radii is 0.9. The turbine is placed 1 m below the water surface and blade angle are 90° and 20° at inlet and outlet respectively. The radial velocity of flow at inlet is 6 m/s. Neglecting frictional losses and taking the discharge as radial, draw velocity triangles at inlet and outlet and find: (a) guide vane angle (b) the velocity of water from the guides. (c) total head of water (d) hydraulic efficiency
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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![Q2/ An outward flow reaction turbine has tangential velocity at its inner rim as 20 m/s, and
ratio of radii is 0.9. The turbine is placed 1 m below the water surface and blade angle are
90° and 20° at inlet and outlet respectively. The radial velocity of flow at inlet is 6 m/s.
Neglecting frictional losses and taking the discharge as radial, draw velocity triangles at
inlet and outlet and find:
(a) guide vane angle
(b) the velocity of water from the guides.
(c) total head of water
(d) hydraulic efficiency](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe9a28bc5-6e61-4923-a68b-b121ad6f4175%2F3982da4c-0b35-4ab2-812a-0b018df1215c%2F88igjz_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q2/ An outward flow reaction turbine has tangential velocity at its inner rim as 20 m/s, and
ratio of radii is 0.9. The turbine is placed 1 m below the water surface and blade angle are
90° and 20° at inlet and outlet respectively. The radial velocity of flow at inlet is 6 m/s.
Neglecting frictional losses and taking the discharge as radial, draw velocity triangles at
inlet and outlet and find:
(a) guide vane angle
(b) the velocity of water from the guides.
(c) total head of water
(d) hydraulic efficiency
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