Dynamics of Vapor Pockets at Phase Boundary: An Application in LNG Sloshing

In LNG shipping / offshore offloading, liquid motion within the container sometimes leads to vapor entrapment at the container walls. Dynamic behavior of the entrapped vapor is governed by its thermal or thermodynamic state and profoundly affects LNG sloshing pressure on the container walls. In this paper, the authors will discuss experimental observation of condensable vapor dynamics including steam and natural gas at cryogenic temperatures. Additionally, the authors will also discuss relevant implications in sloshing experiments and the scale up to prototype design.