A Kaplan turbine develops 1500 kW under a head of 6 m. The turbine is set 2.7 m above the tailrace while the draft tube is immersed 0.5 m under the tailrace. A vacuum gauge, inserted at the turbine outlet, records a suction head of 3.1 m. If the efficiency of turbine is 85 %, what will be the efficiency of draft tube that has inlet diameter of 3 m? Assume losses in the draft tube is 0.2 m. Take draft tube efficiency as 一 2g 2g 2g
A Kaplan turbine develops 1500 kW under a head of 6 m. The turbine is set 2.7 m above the tailrace while the draft tube is immersed 0.5 m under the tailrace. A vacuum gauge, inserted at the turbine outlet, records a suction head of 3.1 m. If the efficiency of turbine is 85 %, what will be the efficiency of draft tube that has inlet diameter of 3 m? Assume losses in the draft tube is 0.2 m. Take draft tube efficiency as 一 2g 2g 2g
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![A Kaplan turbine develops 1500 kW under a head of 6 m. The turbine is set 2.7 m above the
tailrace while the draft tube is immersed 0.5 m under the tailrace. A vacuum gauge, inserted at the
turbine outlet, records a suction head of 3.1 m. If the efficiency of turbine is 85 %, what will be the
efficiency of draft tube that has inlet diameter of 3 m? Assume losses in the draft tube is 0.2 m.
Take draft tube efficiency as
v,2
2g
2g
n: =
2g](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4064c640-cb1f-4ab2-9a0e-9cc0db31b06b%2F4efac8ff-12a5-45b0-aa0a-d522d0a2b5f0%2Fq7lrteb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A Kaplan turbine develops 1500 kW under a head of 6 m. The turbine is set 2.7 m above the
tailrace while the draft tube is immersed 0.5 m under the tailrace. A vacuum gauge, inserted at the
turbine outlet, records a suction head of 3.1 m. If the efficiency of turbine is 85 %, what will be the
efficiency of draft tube that has inlet diameter of 3 m? Assume losses in the draft tube is 0.2 m.
Take draft tube efficiency as
v,2
2g
2g
n: =
2g
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