Abstract
Abstract Serious leakage occurred in a jacketed poly-condensation autoclave which is subjected with temperature and pressure cycles. By using finite element method, the simulation and calculation was carried out and the result was analyzed. It was found that there were shortcomings in original design. Therefore, the improvement was carried out. For improved equipment, under various working conditions with cyclic mechanical loads, thermal-structural analysis was, then, performed. The results were passed in checking for stresses and fatigue capacity. In this way, the leakage problem has been solved. The studied result presented in this paper provides the basis for optimum design of jacketed vessels.
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