Abstract
Gravity three-phase separators consist of pressure vessel with multiple internals that utilize gravity settlement to separate gas/water/oil free from each other. The pressure vessel represents the substantial element of such separators. Limited work has been reported on investigating fluid contained multilayered filament-wound composite pressure vessels. However, destructive testing with full scale or subscale is the best method to determine the structural characteristics of filament???wound pressure vessels as it requires an excessive cost. In this study, three parametric numerical models have been undertaken to represent three load cases namely; pure pressure, operating, and hydro-test load cases in order to predict optimum lay-up for filament-wound pressure vessels of s???glass/epoxy, carbon/epoxy composite laminates and hybrid of both for certain configurations. ANSYS (ACP) 17.0 commercial software was used for simulation and analysis. ANSYS Workbench design point parameters were used to construct parametric models. A developed mathematical solution used from cited work was employed for results verification using Tsai-Wu failure criterion for the safe design assessment in terms of safety factor. The findings indicate that for operating load case, optimum lay-up should be selected according to foreseen loading ratio acting upon pressure vessel during its lifetime, and hydro-test load case is safe for all studied lay???ups also.
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