A hollow shaft is to transmit 350 kW at 65 rpm. If the shear stress is not to exceed 40 MPa and the diameter ratio is 0.54,  Design the shaft by assuming the maximum torque is 40% greater than its mean torque. (ENTER ONLY THE VALUES IN THE BOXES BY REFERING THE UNIT GIVEN IN BRACKET) (i) The mean torque is (Unit is in Nm)=__________ Answer for part 1 (ii) The maximum torque is (Unit is in Nm)=__________ Answer for part 2 (iii) The outer diameter of the shaft (unit in mm)=_______________ Answer for part 3 (iv) The inner diameter of the shaft (unit in mm)=_______________

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A hollow shaft is to transmit 350 kW at 65 rpm. If the shear stress is not to exceed 40 MPa and the diameter ratio is 0.54,  Design the shaft by assuming the maximum torque is 40% greater than its mean torque.

(ENTER ONLY THE VALUES IN THE BOXES BY REFERING THE UNIT GIVEN IN BRACKET)

(i) The mean torque is (Unit is in Nm)=__________

Answer for part 1

(ii) The maximum torque is (Unit is in Nm)=__________

Answer for part 2

(iii) The outer diameter of the shaft (unit in mm)=_______________

Answer for part 3

(iv) The inner diameter of the shaft (unit in mm)=_______________

Expert Solution
Step 1

Determine the maximum torque by using the below expression.

Mechanical Engineering homework question answer, step 1, image 1

 

Step 2

Now substitute the required value in the above expression.

Mechanical Engineering homework question answer, step 2, image 1

 

Step 3

Part (i)

Now determine the mean torque by using the below expression.

Mechanical Engineering homework question answer, step 3, image 1

 

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