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4.1 (B). Determine equations for the hoop and radial stresses set up in a solid rotating disc of radius R commencing with the following relationships: B o, = A -- (3+ v)' .. 8 B TH = A+5- (1+ 3v)- 8 Hence determine the maximum stress and the stress at the outside of a 250 mm diameter disc which rotates at 12000 rev/min. [76, 32.3 MN/m²]

4.1 (B). Determine equations for the hoop and radial stresses set up in a solid rotating disc of radius R commencing with the following relationships: B o, = A -- (3+ v)' .. 8 B TH = A+5- (1+ 3v)- 8 Hence determine the maximum stress and the stress at the outside of a 250 mm diameter disc which rotates at 12000 rev/min. [76, 32.3 MN/m²]

Elements Of Electromagnetics
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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I have a problem in mechanics of materials (Cylinder)

The final Result is Between to Bossine [76,32.3 MN/m^2]
 i need the steps.

i will submit the picture showing the problem  

 

Thanks. 

Problems Uniess otherwise stated take the following material properties for steel: p = 7470 kg/m': v = 0.3: E= 207 GN/m² 4.1 (B). Determine equations for the hoop and radial stresses set up in a solid rotating disc of radius R commencing with the following relationships: o, = A - B (3 + v)" 8 B -(1+3v): TH = A + 8 Hence determine the maximum stress and the stress at the outside of a 250 mm diameter disc which rotates at 12 000 rev/min. [76. 32.3 MN/m2.]
Transcribed Image Text:Problems Uniess otherwise stated take the following material properties for steel: p = 7470 kg/m': v = 0.3: E= 207 GN/m² 4.1 (B). Determine equations for the hoop and radial stresses set up in a solid rotating disc of radius R commencing with the following relationships: o, = A - B (3 + v)" 8 B -(1+3v): TH = A + 8 Hence determine the maximum stress and the stress at the outside of a 250 mm diameter disc which rotates at 12 000 rev/min. [76. 32.3 MN/m2.]
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