metacentric height

简明释义

稳心高度

英英释义

例句

1.When the metacentric height is low, the vessel may be prone to rolling and instability.

当元心高度较低时，船只可能容易摇摆和不稳定。

2.The stability of the ship largely depends on its metacentric height, which is defined as the distance between the center of gravity and the metacenter.

船只的稳定性在很大程度上取决于其元心高度，定义为重心与元中心之间的距离。

3.To improve performance, the designer adjusted the weight distribution to increase the metacentric height.

为了提高性能，设计师调整了重量分布以增加元心高度。

4.A higher metacentric height generally means better stability for the boat, making it less likely to capsize.

较高的元心高度通常意味着船只的稳定性更好，更不容易翻覆。

5.Engineers must calculate the metacentric height before designing a vessel to ensure it can withstand rough seas.

工程师在设计船只之前必须计算元心高度，以确保其能够承受恶劣海况。

作文

The concept of metacentric height plays a crucial role in naval architecture and marine engineering. It is defined as the distance between the center of gravity of a floating body and its metacenter, which is a pivotal point for stability. Understanding metacentric height is essential for designing vessels that can withstand various forces while at sea, ensuring safety and performance. When a ship tilts or heels due to external forces, such as waves or winds, the position of its center of gravity shifts. The metacenter, on the other hand, is a point where the buoyant force acts when the ship is tilted. A higher metacentric height indicates better stability because it means that the metacenter is located above the center of gravity. This vertical distance helps in restoring the vessel to an upright position after it has been tilted. Naval architects often calculate metacentric height during the design phase of ships. The formula for calculating this height involves the ship's geometry and its waterline. Generally, a vessel with a large metacentric height will have a quick response to tilting, making it less prone to capsizing. However, there is a delicate balance; if the metacentric height is too high, the vessel may become overly stiff, leading to uncomfortable rides for passengers. In practical terms, understanding the implications of metacentric height extends beyond just theoretical calculations. It has real-world applications in ensuring that ships are not only stable but also comfortable for those on board. For example, ferries designed for short routes might prioritize quick recovery from tilting, while ocean liners might focus on comfort over extreme stability. Moreover, the metacentric height can be influenced by factors such as cargo load and distribution. When a ship is loaded unevenly, the center of gravity can shift significantly, impacting the overall stability. Therefore, proper loading procedures and weight distribution are critical in maintaining an optimal metacentric height. In conclusion, the significance of metacentric height in maritime engineering cannot be overstated. It is a fundamental aspect that influences the design, safety, and operational efficiency of vessels. By understanding how metacentric height affects stability, naval architects can create ships that are not only capable of navigating rough waters but also provide a safe and pleasant experience for their passengers. As the maritime industry continues to evolve, the study of metacentric height remains a vital area of research and application, ensuring that our fleets are equipped to handle the challenges of the open sea.

“元心高度”这一概念在海洋建筑和海洋工程中扮演着至关重要的角色。它被定义为漂浮物体的重心与其元心之间的距离，元心是稳定性的关键点。理解“元心高度”对于设计能够承受海上各种力量的船只至关重要，以确保安全和性能。当船只因外力如波浪或风而倾斜时，其重心位置会发生变化。而浮力作用的元心则是在船只倾斜时作用的点。较高的“元心高度”意味着更好的稳定性，因为这意味着元心位于重心之上。这一垂直距离有助于在船只倾斜后将其恢复到直立位置。海军建筑师通常在船只设计阶段计算“元心高度”。计算此高度的公式涉及船只的几何形状和水线。通常，具有较大“元心高度”的船只对倾斜的响应快速，使其不易翻覆。然而，这里存在微妙的平衡；如果“元心高度”过高，船只可能变得过于僵硬，导致乘客的不适。在实际操作中，理解“元心高度”的影响不仅限于理论计算。它在确保船只不仅稳定而且舒适方面具有现实应用。例如，为短途航线设计的渡轮可能优先考虑快速恢复倾斜，而远洋邮轮可能更注重舒适性而非极端稳定性。此外，“元心高度”还会受到货物负载和分布等因素的影响。当船只不均匀装载时，重心可能会显著移动，从而影响整体稳定性。因此，合适的装载程序和重量分布对于维持最佳“元心高度”至关重要。总之，“元心高度”在海洋工程中的重要性不容小觑。它是影响船只设计、安全性和操作效率的基本方面。通过理解“元心高度”如何影响稳定性，海军建筑师可以设计出不仅能够在恶劣水域航行，还能为乘客提供安全愉快体验的船只。随着海洋行业的不断发展，对“元心高度”的研究仍然是一个重要的研究和应用领域，确保我们的舰队能够应对开放海洋的挑战。