metacentric radius

简明释义

稳心半径

英英释义

例句

1.Engineers calculate the metacentric radius to ensure that the vessel can withstand rough seas.

工程师计算重心半径以确保船只能够承受恶劣海况。

2.The metacentric radius is a key factor in determining how quickly a boat will right itself after capsizing.

在确定船只翻覆后恢复直立的速度时，重心半径是一个关键因素。

3.The stability of the ship depends on its metacentric radius, which is crucial for safe navigation.

船的稳定性取决于其重心半径，这对安全航行至关重要。

4.A larger metacentric radius typically indicates better stability for a floating object.

较大的重心半径通常表示漂浮物体的稳定性更好。

5.During the design phase, naval architects focus on the metacentric radius to optimize performance.

在设计阶段，海军建筑师专注于重心半径以优化性能。

作文

The concept of metacentric radius plays a crucial role in naval architecture and marine engineering. It is a measure that helps determine the stability of a floating body, such as a ship or a boat. The metacentric radius is defined as the distance between the center of gravity of the vessel and its metacenter, which is the point where the buoyant force acts when the vessel is tilted. Understanding this concept is essential for ensuring safety and performance in maritime operations.When a ship is at rest in water, its center of gravity is aligned vertically above its metacenter. However, when the ship tilts due to external forces, such as waves or wind, the center of buoyancy shifts. The metacentric radius provides a way to quantify this shift and assess how the ship will respond to tilting. A larger metacentric radius indicates greater stability, meaning the vessel will return to an upright position more quickly after being tilted. This is particularly important for vessels operating in rough seas or carrying heavy loads.To illustrate the significance of the metacentric radius, consider a scenario where a cargo ship is loaded with containers. If the center of gravity is too high, the metacentric radius may be insufficient, leading to a higher risk of capsizing. Naval architects must carefully calculate the metacentric radius during the design phase to ensure that the ship can handle various loading conditions and external forces without compromising safety.In addition to stability, the metacentric radius also affects the maneuverability of a vessel. Ships with a larger metacentric radius tend to have a smoother ride and are less likely to experience excessive rolling. This is beneficial not only for the comfort of passengers and crew but also for the integrity of the cargo. On the other hand, vessels with a smaller metacentric radius may be more agile and responsive to steering commands, which can be advantageous in certain situations, such as navigating through narrow channels.Furthermore, the metacentric radius is influenced by various design factors, including hull shape, weight distribution, and overall dimensions. Engineers and designers must take these elements into account when constructing a vessel to achieve the desired balance between stability and performance. Additionally, the metacentric radius can change throughout the life of the ship due to alterations in cargo load, ballast, or structural modifications, necessitating ongoing assessments to maintain safety standards.In conclusion, the metacentric radius is a fundamental concept in the field of naval architecture that directly impacts the stability and performance of floating vessels. By understanding and applying this principle, engineers can design safer and more efficient ships that can withstand the challenges of the marine environment. The importance of the metacentric radius cannot be overstated, as it not only influences the vessel's behavior in water but also ensures the safety of those on board and the cargo being transported. As technology advances and new materials are developed, the study of the metacentric radius will continue to evolve, paving the way for innovative designs in the maritime industry.

“元心半径”的概念在海洋建筑和海洋工程中起着至关重要的作用。它是一个衡量浮体（如船舶或小艇）稳定性的指标。“元心半径”被定义为船舶重心与其元心之间的距离，元心是指当船舶倾斜时浮力作用的点。理解这一概念对于确保海事操作的安全性和性能至关重要。当一艘船静止在水面时，其重心垂直对齐于元心之上。然而，当船舶因外力（如波浪或风）倾斜时，浮心会发生移动。“元心半径”提供了一种量化这种移动并评估船舶如何响应倾斜的方式。较大的“元心半径”表示更大的稳定性，这意味着船舶在倾斜后会更快地恢复到直立位置。这对于在恶劣海况中作业或载重较重的船舶尤为重要。为了说明“元心半径”的重要性，可以考虑一种场景：一艘货船装载了集装箱。如果重心过高，则“元心半径”可能不足，从而导致翻覆的风险增大。海洋建筑师必须在设计阶段仔细计算“元心半径”，以确保船舶能够应对各种装载条件和外力，而不危及安全。除了稳定性之外，“元心半径”还影响船舶的机动性。具有较大“元心半径”的船舶往往航行更加平稳，不易出现过度摇摆。这不仅有利于乘客和船员的舒适性，也有助于货物的完整性。另一方面，具有较小“元心半径”的船舶可能在某些情况下（如通过狭窄水道导航）更灵活，对操控命令的响应性更强。此外，“元心半径”受到多种设计因素的影响，包括船体形状、重量分布和整体尺寸。工程师和设计师在建造船舶时必须考虑这些要素，以实现稳定性和性能之间的理想平衡。此外，由于货物负载、压载或结构修改的变化，“元心半径”在船舶的使用寿命中可能会发生变化，因此需要持续评估以保持安全标准。总之，“元心半径”是海洋建筑领域的基本概念，直接影响浮动船舶的稳定性和性能。通过理解和应用这一原理，工程师可以设计出更安全、更高效的船舶，以应对海洋环境的挑战。“元心半径”的重要性不容忽视，因为它不仅影响船舶在水中的行为，还确保船上人员和运输货物的安全。随着技术的进步和新材料的开发，对“元心半径”的研究将继续发展，为海事行业的创新设计铺平道路。