Runner shaft. Figure shows a Kaplan turbine. The flow of water rotates the runner at 200 rpm to b. generate power. The 28.575 mm diameter runner shaft is to be supported by the Water in Water in bearings at "a" and "b". The runner mass is 80 kg and an 800 N downward axial force is exerted by the water flow at the CG point of each blade. There are 4 blades. Runner a) Choose appropriate tapered roller bearing at b. b) Choose suitable ball bearing at a. c) What will be the combined reliably of both bearings? Consider: Bearing life = 30kh, Application factor 1, Reliability goal = 92%

Runner shaft. Figure shows a Kaplan turbine. The flow of water rotates the runner at 200 rpm to b. generate power. The 28.575 mm diameter runner shaft is to be supported by the Water in Water in bearings at "a" and "b". The runner mass is 80 kg and an 800 N downward axial force is exerted by the water flow at the CG point of each blade. There are 4 blades. Runner a) Choose appropriate tapered roller bearing at b. b) Choose suitable ball bearing at a. c) What will be the combined reliably of both bearings? Consider: Bearing life = 30kh, Application factor 1, Reliability goal = 92%

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Question

Q2
Runner shaft.
Figure shows a Kaplan turbine. The flow of
Ha
water rotates the runner at 200 rpm to
generate power. The 28.575 mm diameter
runner shaft is to be supported by the Water in
Water in
bearings at "a" and "b". The runner mass is
80 kg and an 800 N downward axial force is
exerted by the water flow at the CG point
of each blade. There are 4 blades.
Runner
a) Choose appropriate tapered roller
bearing at b.
b) Choose suitable ball bearing at a.
c) What will be the combined reliably of
both bearings?
Consider: Bearing life = 30kh, Application factor = 1, Reliability goal = 92%

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