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Unformatted text preview: Purpose of the Experiment The aim of this experiment is to determine the stres values on a thin-walled pressure vessel and compare with theroretical results. The Theory It is known from the theory that principal stresses on a thin walled pressure vessel, at sufficient distance from any irregularities (i.e., the side- caps or oil inlet) lay in the axial and tangential directions. Thus, the stress distribution is two-dimensional, and under these assumptions, is computed using membrane approach. The axial stress component, a , can be derived using the static equilibrium of the side cap: s 4 d p 4 d p d s a 2 a = = The tangential stress component, t , is calculated in a similar manner: s 2 d p s 2 d p t = = The Experiment A cylindrical tank, whose dimensions are pre-defined is subjected to internal pressure using a manual hydraulic pump, and is equipped with a manometer to measure the actual pressure...
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- Spring '10