Abstract
Following the high demand for LNG as low emission and eco-friendly energy, ISO tank containers are present as an innovative product to support the mass transportation of LNG in a cheap, effective and efficient manner. The 20-ft ISO tank is a container with a pressure vessel structure that can be intermodal with sea or land transportation like other standard dry box containers. The purpose of this paper is to present a complete procedure for evaluating the scantling size of the 20 ft ISO tank LNG type. The criteria are determined based on the standard ASME section VIII division I code for boilers and pressure vessels. The calculation includes the fulfilment of the thickness and conformity with the internal and external pressure design requirements. In addition, the finite element investigation was conducted under the various design loads and operating conditions. This analysis provides the safety level of the ASME design guidance in comparison with ISO standard FEA judgments.
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