청수 공급 기능을 갖춘 천연가스하이드레이트 추진 선박 개념 연구

Abstract

Natural gas hydrate (NGH) is noted as an alternative to lowering the cost for natural gas supply chain estab-lishment. However, despite many studies, the vessels carrying NGH are still remained at concept level. Re-quirements for exclusiveships, piers and unloading facilities including sintering effect threat economic feasi-bility. In other perspective, water shortages are getting bigger and bigger issue around the world. At the same time, many of these water shortage countries operate large ports. In this regard, this study focused on the fresh water, which the 70% of the natural gas hydrate, after the regasification process of natural gas hydrate. Though natural gas hydrate is disadvantageous in terms of energy storage efficiency compare to LNG (lique-fied natural gas), NGH can be used not only for fuels but also for ballast and fresh water supply. In this study, fresh water supply function equipped NGH propulsion ship conceptually designed with technical and eco-nomic feasibility study.