METHOD AND SYSTEM FOR ASSISTING THE MANAGEMENT OF A LIQUEFIED GAS TRANSPORT SHIP OF THE TYPE CONSUMING EVAPORATED GAS FOR ITS PROPULSION
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United States of America Patent
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Issued Date -
Nov 2, 2023
app pub date -
Dec 3, 2021
filing date -
Dec 3, 2020
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Abstract
A method for assisting the management of a vessel comprising at least one tank configured to contain liquefied gas and a vapor phase treatment system capable of sending boil-off gas exiting the tank to a propulsion engine of the vessel or to a gas combustion unit on board the vessel and capable of extracting a portion of the liquid phase contained in the tank and of evaporating this portion in order to send it to the propulsion engine. The method comprises: generating at least one tank management scenario defining an evolution of the pressure of the gas phase contained in the tank along a path of the vessel; computing a cost function that at least depends on a total amount of boil-off gas generated in the tank along the path; and displaying to a user the tank management scenario as a function of the computed cost function.
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