Water enters an inward turbine at an angle of 28° to the tangent to the outer rim and leaves the turbine radially. The speed of the wheel is 100 rpm and the velocity of flow is constant .The vanes have inlet and outlet diameter of 0.8 m and 0.4 m respectively. Find after drawing the triangles of velocity at inlet and outlet sections : 1- The necessary angles of blades at inlet and outlet sections. 2- The relative velocity of water at inlet and outlet sections. What is the percentage decrease in relative velocity between the two sections? 3- The horsepower and the efficiency of the system. if the thickness of wheel at inlet section is equal to 12 cm and the flow rate of water is 1.26 m³/s

Water enters an inward turbine at an angle of 28° to the tangent to the outer rim and leaves the turbine radially. The speed of the wheel is 100 rpm and the velocity of flow is constant .The vanes have inlet and outlet diameter of 0.8 m and 0.4 m respectively. Find after drawing the triangles of velocity at inlet and outlet sections : 1- The necessary angles of blades at inlet and outlet sections. 2- The relative velocity of water at inlet and outlet sections. What is the percentage decrease in relative velocity between the two sections? 3- The horsepower and the efficiency of the system. if the thickness of wheel at inlet section is equal to 12 cm and the flow rate of water is 1.26 m³/s

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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Question

Hydraulic Machines

I need the answer in 1 hour

Water enters an inward turbine at an angle of 28° to the tangent to the outer rim
and leaves the turbine radially. The speed of the wheel is 100 rpm and the velocity
of flow is constant .The vanes have inlet and outlet diameter of 0.8 m and 0.4 m
respectively. Find after drawing the triangles of velocity at inlet and outlet
sections :
1- The necessary angles of blades at inlet and outlet sections.
2- The relative velocity of water at inlet and outlet sections. What is the
percentage decrease in relative velocity between the two sections?
3- The horsepower and the efficiency of the system.
if the thickness of wheel at inlet section is equal to 12 cm and the flow rate of
water is 1.26 m/s

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