关键词: 重力浸水, 泵注水, 作业时间, 动态计算

Abstract: The ballast system is the core system of the naval ship to implement attitude adjustment during the various loading conditions. The control of the operation time is critical to the system design. It focuses on the ballast system combing gravity water filling and the pump water filling. The dynamic calculation of the operation time for the single-tank and multi-tanks gravity water filling that varies with the liquid level in the ballast tank and the hull waterlines are studied based on the law of energy conservation and the law of mass conservation. The artificial prediction strategy is proposed for the transformation from the gravity water filling to the pump water filling. It can provide reference for the calculation and application of the full-scale ships.

Key words: gravity water filling, pump water filling, operation time, dynamic calculation