A pressure vessel 500 mm in diameter (20 mm thick) is designed for an internal pressure of 550 kPa. A lid 15 mm thick will be welded to the inner wall of the vessel where the weld will be applied along the edge shaded in red. a) Determine the average shear stress in the weld

Elements Of Electromagnetics
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500 mm
15 mm
-20 mm wall thickness
A pressure vessel 500 mm in diameter (20 mm thick) is designed for an internal pressure of 550
kPa. A lid 15 mm thick will be welded to the inner wall of the vessel where the weld will be applied
along the edge shaded in red.
a) Determine the average shear stress in the weld
b) Determine the circumferential and longitudinal stresses within the vessel wall
c) If the diameter of the vessel were to increase from 500 mm to 600 mm (while keeping everything
else the same), how would your results to (a) and (b) change?
d) Conceptually speaking, how would you explain the changes observed in part (c)? i.e., why do
the stresses change even though we are maintaining the same internal pressure?
Transcribed Image Text:500 mm 15 mm -20 mm wall thickness A pressure vessel 500 mm in diameter (20 mm thick) is designed for an internal pressure of 550 kPa. A lid 15 mm thick will be welded to the inner wall of the vessel where the weld will be applied along the edge shaded in red. a) Determine the average shear stress in the weld b) Determine the circumferential and longitudinal stresses within the vessel wall c) If the diameter of the vessel were to increase from 500 mm to 600 mm (while keeping everything else the same), how would your results to (a) and (b) change? d) Conceptually speaking, how would you explain the changes observed in part (c)? i.e., why do the stresses change even though we are maintaining the same internal pressure?
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