design of cylindrical pressure vessel.pptx - Design of...

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Design of Cylindrical Shells under Internal PressureNAME- TEESHA JAINROLL NO-2K19/PS/059SUBJECT- Engineering Design & Analysis.
INTRODUCTIONThe pressure vessels (i.e. cylinders or tanks) are used to store fluids under pressure. The pressure vessels are designed with great care because rupture of a pressure vessel means an explosion which may cause loss of life and property.The material of pressure vessels may be brittle such as cast iron, or ductile such as mild steel.They are used in a variety of industries likePetroleum refiningChemical PowerFood & beveragePharmaceutical
Classification Of Pressure VesselsAccording to Dimension:Thick ShellsThin ShellsIf the wall thickness of the shell (t) is less than 1/10 of the diameter of the shell (d), then it is called a thin shell. If the wall thickness of the shell is greater than 1/10 of the diameter of the shell, then it is said to be a thick shell.According to end construction:Open EndClose EndA simple cylinder with a piston, such as cylinder of a press is an example of an open end vessel.Circumferential or hoop stresses are induced by the fluid pressure.A tank is an example of a closed end vessel.Longitudinal stresses in addition to circumferential stresses are induced.
Thin Cylindrical Shell under Internal Pressure: When a thin cylindrical shell is subjected to an internal pressure, it is likely to fail in the following two ways:It may fail along the longitudinal section (i.e. circumferentially) splitting the cylinder into two troughs, as shown in Fig. a.

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