Abstract
In this study, a CFD analysis was conducted using a compressor to reduce the drag of a Hypertube capsule train, which is a subsonic capsule train system operating inside a vacuum tube. For this purpose, a conceptual design of a compressor that is suitable for a capsule train was determined, and a compressor performance analysis module was developed by applying the nondimensionalized compressor performance curve. Subsequently, three-dimensional steady-state CFD analysis was performed using the developed compressor performance analysis module by using the compressor inlet mass flow rate and discharge pressure as the CFD boundary conditions. Finally, the improvements in the flow performances around the capsule train with and without the compressor were compared.
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