Method for accelerating an object and propelling arrangement for implementing the method for such object, particularly an object to be driven into ground below water

摘要

A method for effectuating the acceleration of an object, in particular a piercing or penetrator object, within a surrounding liquid medium of a density which is higher than the density of gases, such as in water; as well as an arrangement for producing and imparting an advancing or propelling force to an object in a surrounding liquid medium of a density which is higher than the density of gases; and in particular to an obejct which is to be driven into a water bottom or seabed.