A Pelton turbine is a turbine working under atmospheric pressure and which rotates thanks to water hitting its blades (see figure). The operation of the Pelton turbine was modeled using RTT in the homework assignment. You considered that the blade moves at a velocity w and the water travels with a velocity v. The water flow and deflector has a diameter d and the flow rate is Q. Disregard gravity and viscosity forces. Answer these questions: 1) Calculate the forces exerted to the blade by the water using values of equal to 7/6, T /3, π/2, T. Which angle is associated with the greatest force. 2) What happens with v=w? What is the force?
A Pelton turbine is a turbine working under atmospheric pressure and which rotates thanks to water hitting its blades (see figure). The operation of the Pelton turbine was modeled using RTT in the homework assignment. You considered that the blade moves at a velocity w and the water travels with a velocity v. The water flow and deflector has a diameter d and the flow rate is Q. Disregard gravity and viscosity forces. Answer these questions: 1) Calculate the forces exerted to the blade by the water using values of equal to 7/6, T /3, π/2, T. Which angle is associated with the greatest force. 2) What happens with v=w? What is the force?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A Pelton turbine is a turbine working under atmospheric pressure and which rotates thanks
to water hitting its blades (see figure). The operation of the Pelton turbine was modeled
using RTT in the homework assignment. You considered that the blade moves at a
velocity w and the water travels with a velocity v. The water flow and deflector has a
diameter d and the flow rate is Q. Disregard gravity and viscosity forces. Answer these
questions:
WATER
>W
1) Calculate the forces exerted to the blade by the water using values of equal to π/6, T
/3, π/2, T. Which angle is associated with the greatest force.
2) What happens with v=w? What is the force?
Expert Solution
Step 1: step1
Given data
velocity of turbine blade moves =w
water travels with velocity=v
water flow diameter=d
water flow rate=Q
Find
1) forces exerted to the blade by the water
2) what happen with v=w. What is the force?
Step by step
Solved in 4 steps with 3 images
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