metacenter above center of buoyancy

简明释义

稳心半径

英英释义

例句

1.The engineer explained that the metacenter above center of buoyancy affects how a vessel responds to waves.

工程师解释说，重心高于浮心会影响船只对波浪的反应。

2.A higher metacenter above center of buoyancy generally indicates better stability for the boat.

较高的重心高于浮心通常意味着船只更稳定。

3.In naval architecture, a ship is considered stable when the metacenter above center of buoyancy is maintained during design.

在船舶设计中，当保持重心高于浮心时，船舶被视为稳定。

4.To ensure safety, the yacht's metacenter above center of buoyancy was calculated before the voyage.

为了确保安全，游艇的重心高于浮心在航行前进行了计算。

5.When designing a catamaran, the metacenter above center of buoyancy plays a crucial role in stability.

在设计双体船时，重心高于浮心在稳定性中起着至关重要的作用。

作文

In the study of naval architecture and marine engineering, understanding the stability of floating bodies is crucial. One of the key concepts in this field is the relationship between the metacenter and the center of buoyancy. The term metacenter above center of buoyancy refers to a specific condition that affects the stability of a vessel. To comprehend this concept, we must first define the terms involved. The center of buoyancy is the centroid of the underwater volume of a floating object. It is the point where the buoyant force, which acts vertically upwards, can be considered to act. When a ship is floating in water, the shape of its hull determines the position of this center. On the other hand, the metacenter is a point that is determined by the geometry of the hull and the waterline. It is defined as the point where the vertical line through the center of buoyancy intersects when the ship is tilted at a small angle. When the metacenter above center of buoyancy condition is satisfied, it indicates that the metacenter is positioned above the center of buoyancy. This arrangement is critical for the stability of the vessel. If the metacenter is higher than the center of buoyancy, any tilting of the ship will result in a righting moment that tends to return the vessel to an upright position. This phenomenon is essential for ensuring that ships remain stable in rough seas or when subjected to external forces, such as wind or waves. Conversely, if the center of buoyancy is above the metacenter, the vessel becomes unstable. In this situation, when the ship tilts, the buoyant force is directed in a manner that exacerbates the tilt, leading to a greater angle of heel and potentially capsizing the vessel. Therefore, designers and engineers work meticulously to ensure that the metacenter above center of buoyancy condition is met in their designs. The implications of this principle extend beyond just theoretical calculations. In real-world applications, understanding the stability of vessels can prevent maritime disasters. Historical incidents of ship capsizing often highlight failures in maintaining proper stability. For instance, many passenger ships have faced tragic accidents due to inadequate consideration of the metacenter and center of buoyancy relationship. To illustrate this further, consider a large cargo ship navigating through turbulent waters. If the ship is designed with a high metacenter relative to its center of buoyancy, it will be able to withstand strong winds and large waves more effectively. The crew can operate with a greater sense of safety, knowing that the vessel is less likely to capsize under challenging conditions. In conclusion, the concept of metacenter above center of buoyancy plays a vital role in the design and operation of marine vessels. It is a fundamental principle that ensures the stability and safety of ships at sea. By maintaining this relationship, naval architects can create vessels that not only meet performance criteria but also protect lives and cargo from the unpredictable nature of ocean environments.

在海洋建筑和海洋工程的研究中，理解漂浮物体的稳定性至关重要。这个领域的一个关键概念是重心与浮心之间的关系。术语重心高于浮心指的是影响船舶稳定性的特定条件。要理解这个概念，我们必须首先定义相关术语。浮心是漂浮物体水下体积的质心。它是浮力作用的点，浮力是竖直向上作用的。当一艘船在水中漂浮时，其船体的形状决定了浮心的位置。另一方面，重心是由船体的几何形状和水线决定的一个点。它被定义为当船倾斜一个小角度时，浮心垂直线相交的点。当重心高于浮心的条件得到满足时，表明重心位于浮心之上。这种安排对船舶的稳定性至关重要。如果重心高于浮心，船舶的任何倾斜都会导致一个恢复力矩，使船只返回到直立位置。这种现象对于确保船舶在恶劣海况或受到外部力量（如风或波浪）影响时保持稳定至关重要。相反，如果浮心位于重心之上，船舶将变得不稳定。在这种情况下，当船倾斜时，浮力的方向会加剧倾斜，导致更大的倾斜角度，并可能使船舶倾覆。因此，设计师和工程师会仔细工作，以确保他们的设计满足重心高于浮心的条件。这一原则的影响不仅限于理论计算。在现实应用中，理解船舶的稳定性可以防止海事灾难。历史上船舶倾覆的事件往往突显出在维持适当稳定性方面的失败。例如，许多客轮由于对重心与浮心关系的考虑不足而遭遇悲惨事故。为了进一步说明这一点，可以考虑一艘在湍急水域航行的大型货船。如果这艘船的设计使其重心相对于浮心较高，它将能够更有效地抵御强风和大浪。船员可以在更安全的情况下操作，因为他们知道在挑战条件下船舶不太可能倾覆。总之，重心高于浮心的概念在海洋船舶的设计和操作中发挥着至关重要的作用。这是确保船舶在海上稳定和安全的基本原则。通过保持这种关系，海洋建筑师可以设计出不仅符合性能标准，而且能保护生命和货物免受海洋环境不可预测性质影响的船舶。