center of buoyancy above top of keel

简明释义

浮心在龙骨上高度

英英释义

例句

1.When the ship lists, it is often due to the center of buoyancy above top of keel shifting unexpectedly.

当船只倾斜时，通常是由于浮心位于龙骨顶部之上意外移动造成的。

2.The designer adjusted the hull shape to raise the center of buoyancy above top of keel for better performance.

设计师调整了船体形状，以提高浮心位于龙骨顶部之上以获得更好的性能。

3.Engineers must consider the center of buoyancy above top of keel when designing vessels for stability.

工程师在设计船只时必须考虑浮心位于龙骨顶部之上以确保稳定性。

4.In naval architecture, ensuring that the center of buoyancy above top of keel is properly calculated is crucial for stability.

在船舶设计中，确保浮心位于龙骨顶部之上的计算正确对稳定性至关重要。

5.A higher center of buoyancy above top of keel can lead to a more responsive vessel in rough seas.

较高的浮心位于龙骨顶部之上可以使船只在恶劣海况下反应更灵敏。

作文

Understanding the principles of buoyancy is essential in the field of naval architecture and marine engineering. One crucial concept that often arises in discussions about ship stability is the phrase center of buoyancy above top of keel. This phrase refers to the vertical position of the center of buoyancy relative to the bottom of a vessel's hull, specifically the top of the keel, which is the main structural element of a ship's bottom. The keel runs along the centerline of the ship and provides structural integrity, while the center of buoyancy is the point where the buoyant force acts on the submerged part of the hull.When a ship is floating in water, it displaces a volume of water equal to its weight. The center of buoyancy is determined by the shape of the underwater portion of the hull. As the ship tilts or heels due to external forces such as wind or waves, the center of buoyancy shifts. If the center of buoyancy above top of keel is too high, it can lead to instability, making the vessel more prone to capsizing. Therefore, understanding this relationship is vital for ensuring the safety and stability of marine vessels.In practical terms, when designing a ship, naval architects must consider the location of the center of gravity in relation to the center of buoyancy. Ideally, the center of gravity should be below the center of buoyancy to maintain stability. If the center of gravity rises above the center of buoyancy, the ship may become top-heavy, increasing the risk of rolling over. This is particularly important in rough seas where the forces acting on the ship are magnified.The concept of center of buoyancy above top of keel also plays a role in determining how a ship responds to loading and unloading cargo. When a ship takes on additional weight, the center of gravity shifts, which can affect the overall stability. Similarly, when cargo is discharged, the center of buoyancy may rise, potentially leading to a situation where the ship becomes unstable if not properly managed. Thus, careful planning and consideration must be given to loading operations to ensure that the center of buoyancy remains in an optimal position.Moreover, understanding the center of buoyancy above top of keel is crucial during the design phase of a vessel. Engineers use computer simulations and physical models to analyze how changes in hull shape or weight distribution affect the center of buoyancy. By optimizing these factors, they can create designs that enhance performance, safety, and efficiency in various sea conditions.In conclusion, the phrase center of buoyancy above top of keel encapsulates a fundamental principle in naval architecture that directly impacts the stability and safety of marine vessels. By maintaining a proper relationship between the center of buoyancy and the center of gravity, engineers and designers can ensure that ships remain stable and seaworthy. This understanding is vital not only for the construction of new vessels but also for the operation and maintenance of existing ones, highlighting the importance of this concept in the maritime industry.

理解浮力原理在海军建筑和海洋工程领域至关重要。在关于船舶稳定性的讨论中，一个常常出现的关键概念是短语中心浮力高于龙骨顶端。这个短语指的是浮力中心相对于船体底部的位置，特别是龙骨的顶部，龙骨是船底的主要结构元素。龙骨沿着船的中心线延伸，提供结构完整性，而浮力中心则是浮力作用在船体浸水部分的点。当一艘船漂浮在水面上时，它会排开等于其重量的水量。浮力中心由船体水下部分的形状决定。当船因外部力量（如风或波浪）倾斜或倾斜时，浮力中心会移动。如果中心浮力高于龙骨顶端过高，可能会导致不稳定，使船只更容易翻覆。因此，理解这种关系对确保海洋船舶的安全和稳定至关重要。在实际操作中，设计船舶时，海军建筑师必须考虑重心与浮力中心的位置关系。理想情况下，重心应低于浮力中心，以保持稳定。如果重心升高到浮力中心之上，船可能会变得头重脚轻，从而增加翻覆的风险。这在恶劣海况下尤为重要，因为作用在船上的力量会被放大。中心浮力高于龙骨顶端的概念在确定船舶装载和卸载货物时也起着重要作用。当船只增加额外重量时，重心会发生变化，这可能会影响整体稳定性。同样，当货物被卸载时，浮力中心可能会上升，如果不加以管理，可能会导致船只不稳定。因此，必须对装载操作进行仔细规划和考虑，以确保浮力中心保持在最佳位置。此外，理解中心浮力高于龙骨顶端在船舶设计阶段至关重要。工程师使用计算机模拟和物理模型来分析船体形状或重量分布变化如何影响浮力中心。通过优化这些因素，他们可以创建提高性能、安全性和效率的设计，以应对各种海洋条件。总之，短语中心浮力高于龙骨顶端概括了海军建筑中的一个基本原理，直接影响海洋船舶的稳定性和安全性。通过保持浮力中心和重心之间的适当关系，工程师和设计师可以确保船舶保持稳定和适航。这一理解对新船的建造以及现有船舶的操作和维护都至关重要，突显了这一概念在海事行业中的重要性。