Engineering, 19.07.2019 20:30 jnelso5437
Aflywheel made of grade 30 cast iron (uts = 217 mpa, ucs = 763 mpa, e = 100 gpa, density = 7100 kg/m, poisson's ratio = 0.26) has the following dimensions: id = 150mm, od = 250 mm and thickness = 37 mm. what is the rotational speed in rpm that would lead to the flywheel's fracture?
Answers: 2
= 150 mm 
= 250 mm 
- 
) x 
------------(1)
+ UCS x 
)
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Aflywheel made of grade 30 cast iron (uts = 217 mpa, ucs = 763 mpa, e = 100 gpa, density = 7100 kg/m...
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