metacentric arm

简明释义

稳性力臂

英英释义

例句

1.A larger metacentric arm (重心臂) typically indicates better stability in rough waters.

更大的重心臂通常意味着在波涛汹涌的水域中更好的稳定性。

2.When designing a vessel, engineers must calculate the metacentric arm (重心臂) to ensure safety.

在设计船舶时，工程师必须计算重心臂以确保安全。

3.To improve performance, sailors often adjust the metacentric arm (重心臂) by redistributing weight.

为了提高性能，水手们常常通过重新分配重量来调整重心臂。

4.The stability of the ship is determined by the position of the metacentric arm (重心臂).

船只的稳定性由重心臂的位置决定。

5.The metacentric arm (重心臂) can be affected by the distribution of cargo on board.

船上的货物分布会影响重心臂。

作文

Understanding the concept of a metacentric arm is crucial in the field of naval architecture and marine engineering. The term refers to a specific measurement that helps determine the stability of a floating vessel. In simple terms, the metacentric arm is the distance between the center of gravity of a ship and its metacenter, which is a point where the buoyant force acts when the ship is tilted. This measurement plays a significant role in ensuring that a ship remains upright and does not capsize under various conditions.To grasp the importance of the metacentric arm, one must first understand the principles of buoyancy and stability. When a ship is at rest, its center of gravity is directly above its center of buoyancy. However, when the ship tilts due to external forces such as wind or waves, the center of buoyancy shifts. The metacenter is the point where the vertical line through the center of buoyancy intersects with the centerline of the ship when it is tilted. The metacentric arm is vital because it indicates how far the center of gravity is from this metacenter.A larger metacentric arm generally means greater stability for the vessel. If the metacentric arm is large, the ship will return to an upright position more quickly after being tilted. Conversely, a small metacentric arm can lead to instability, making the ship prone to capsizing. Therefore, naval architects aim to design vessels with an optimal metacentric arm to ensure safety and performance.The calculation of the metacentric arm involves several factors, including the shape of the hull, the distribution of weight onboard, and the waterline. Engineers use complex mathematical models and simulations to analyze these variables and predict how the ship will behave in different sea conditions. This analysis is not only essential during the design phase but also when retrofitting existing vessels to enhance their stability.In practical applications, understanding the metacentric arm is crucial for various types of vessels, from cargo ships to yachts. For instance, in recreational boating, a sailor must be aware of how loading and unloading cargo affects the ship's center of gravity and, consequently, its metacentric arm. Proper weight distribution can significantly improve the sailing experience and ensure safety on the water.Additionally, the metacentric arm also has implications beyond mere stability. It influences the overall performance of the vessel, including its speed and maneuverability. A well-balanced ship with an appropriate metacentric arm can navigate through rough waters more effectively, providing a smoother ride for passengers and cargo alike.In conclusion, the metacentric arm is a fundamental concept in the design and operation of marine vessels. Its impact on stability, safety, and performance cannot be overstated. As technology advances, the methods for calculating and optimizing the metacentric arm continue to evolve, leading to safer and more efficient ships. Understanding this concept is essential for anyone involved in maritime activities, whether in a professional capacity or as a recreational enthusiast.

理解metacentric arm（重心臂）的概念在海洋建筑和海洋工程领域至关重要。该术语指的是一种特定的测量，帮助确定浮动船只的稳定性。简单来说，metacentric arm是船只重心与其重心点之间的距离，重心点是船只倾斜时浮力作用的点。这一测量在确保船只保持直立并在各种条件下不翻覆方面发挥着重要作用。要掌握metacentric arm的重要性，首先必须理解浮力和稳定性的原理。当船只静止时，其重心正好位于浮心的正上方。然而，当船只因外力如风或波浪而倾斜时，浮心会发生移动。重心点是船只在倾斜时，通过浮心的垂直线与船只中心线相交的点。metacentric arm至关重要，因为它指示重心与此重心点之间的距离。较大的metacentric arm通常意味着船只的更大稳定性。如果metacentric arm较大，船只在倾斜后会更快恢复到直立位置。相反，较小的metacentric arm可能导致不稳定，使船只容易翻覆。因此，海洋建筑师旨在设计具有最佳metacentric arm的船只，以确保安全和性能。metacentric arm的计算涉及多个因素，包括船体的形状、船上重量的分布以及水线。工程师使用复杂的数学模型和模拟来分析这些变量，并预测船只在不同海况下的行为。这种分析不仅在设计阶段至关重要，而且在改装现有船只以增强其稳定性时也同样重要。在实际应用中，理解metacentric arm对各种类型的船只至关重要，从货船到游艇。例如，在休闲航行中，水手必须意识到装卸货物如何影响船只的重心，从而影响其metacentric arm。适当的重量分布可以显著改善航行体验并确保水上的安全。此外，metacentric arm还超越了单纯的稳定性，对船只的整体性能也有影响，包括速度和机动性。一艘平衡良好的船只，具有适当的metacentric arm，可以更有效地在恶劣水域中航行，为乘客和货物提供更平稳的乘坐体验。总之，metacentric arm是海洋船只设计和操作中的基本概念。它对稳定性、安全性和性能的影响不容小觑。随着技术的进步，计算和优化metacentric arm的方法不断演变，导致船只更加安全和高效。理解这一概念对于任何参与海洋活动的人来说都是必不可少的，无论是以专业身份还是作为休闲爱好者。