Evaluation of strength variation of domes and cylinders with different winding angle of type III high pressure storage vessel

다국어 초록 (Multilingual Abstract)

Type III vessels are used to store gases at high pressure and, for efficient use, should be as light as possible without compromising stability. However, since the fiber composite layer has a directional property, it causes different properties depending on the order of lamination and the direction of the layer, and it is necessary to evaluate various and complex variables because both the low and high lamination angles are used in the manufacturing process. Therefore, this study evaluated the composite material layer of type III high pressure storage vessels in a single layer pattern and a composite pattern, and evaluated the effects of the inherent characteristics of each angle and the increase or decrease in the stacking angle on the strength performance of the storage vessel. As a result of analysis, it was confirmed that the change of angle not only affects the strength performance, but also affects the location of storage vessel such as domes and cylinders. In addition, in the most optimized pattern, the stress of 79 MPa in the fiber direction and 20.35 MPa in the fiber orthogonal direction could be reduced.

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