Transcription of Thick & Thin cylinders
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Thick & Thin cylinders
11 Prepared By: Muhammad Farooq Prepared By: Muhammad Farooq (Lecturer, MECH KSK)(Lecturer, MECH KSK) Thick & Thin cylindersThick & Thin cylindersObjectivesObjectives::-- Introduction Introduction Thin wall pressure vessel Thin wall pressure vessel Stress in the Thin cylindersStress in the Thin cylinders Cylindrical pressure vesselsCylindrical pressure vessels Thick cylindersThick cylinders Stress in the Thick cylindersStress in the Thick cylinders Development of LameDevelopment of Lame s equation (1833)s equation (1833) Error in the Thin cylinder FormulaError in the Thin cylinder Formula Problem sheet Problem sheet Prepared By: Muhammad Farooq Prepared By: Muhammad Farooq (Lecturer, MECH KSK)(Lecturer, MECH KSK)22 A pressure vessel is used for storing liquid or under pressure. A pipe line through which pressurized fluid flows is treated as pressure vessel. Normally pressure vessels are of cylindrical or spherical shape. There are several examples of pressure vessels which are used for engineering purpose.
include boilers, gas storage tanks, metal tires & pipelines Prepared By: Muhammad Farooq (Lecturer, MECH KSK) 3 Thin cylinders • If the wall thickness of the cylinder is less than 1/20th of the internal diameter ‘di’,the variation of the tangential stresses through the wall thickness is small & the radial stresses may be neglected. The ...
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