Acylindrical tank is required to contain a gage pressure 520 kpa . the tank is to be made of a516 grade 60 steel with a maximum allowable normal stress of 150 mpa . if the inner diameter of the tank is 2.6 m , what is the minimum thickness, t, of the wall? express your answer with appropriate units to three significant figures.

t= 4.5 mm

Explanation:

Given that

P = 520 KPa ( gauge)

Maximum allowable normal stress ,σ= 150

d= 2.6 m

Wall thickness = t

The normal stress for pressure vessel given as

              ( hoop stress)

We always take maximum stress for safe design.

Now by putting the values

t= 4.5 mm

So the minimum thickness, t, of the wall is 4.5 mm

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