To provide a non-spherical tank which includes: a circular cylindrical portion; a top portion disposed continuously with an upper side of the circular cylindrical portion; and a bottom portion disposed continuously with a lower side of the circular cylindrical portion, wherein the top portion includes: a spherical shell portion which is formed of a portion of a spherical body having a radius R1, and is disposed at an upper end of the top portion; and a toroidal portion which is disposed continuously with the upper side of the circular cylindrical portion and with a lower side of the spherical shell portion respectively, and is formed of a portion of a spherical body having a radius R2 smaller than the radius R1, and an expression 1.0<1.5 is satisfied. Here, “R” denotes a radius of the circular cylindrical portion, and “H1” denotes a height of the top portion in a vertical direction.
Non-spherical tank and liquefied gas carrier ship equipped with the non-spherical tanks
2019-10-22
Patent
Electronic Resource
English
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