longitudinal metacenter

简明释义

纵稳心

英英释义

例句

1.A higher longitudinal metacenter 纵向重心 generally means better stability for a ship.

较高的longitudinal metacenter 纵向重心通常意味着船只的稳定性更好。

2.When designing a new yacht, the position of the longitudinal metacenter 纵向重心 is critical for performance.

在设计新游艇时，longitudinal metacenter 纵向重心的位置对于性能至关重要。

3.Sailors must understand the concept of longitudinal metacenter 纵向重心 to navigate safely.

水手必须理解longitudinal metacenter 纵向重心的概念，以安全航行。

4.Engineers must calculate the longitudinal metacenter 纵向重心 to ensure that the vessel remains upright during heavy seas.

工程师们必须计算longitudinal metacenter 纵向重心以确保船只在恶劣海况下保持直立。

5.The stability of the boat depends on its longitudinal metacenter 纵向重心, which influences how it responds to waves.

船的稳定性取决于它的longitudinal metacenter 纵向重心，这影响了它对波浪的反应。

作文

The concept of the longitudinal metacenter is crucial in naval architecture and marine engineering, as it plays a significant role in understanding the stability of floating vessels. The longitudinal metacenter can be defined as the point where the buoyant force acts when a vessel is tilted longitudinally. This point is essential because it helps determine how a ship will behave in various sea conditions. When a ship is at rest, its center of gravity is directly above the center of buoyancy. However, if the ship tilts, the center of buoyancy shifts, and the longitudinal metacenter becomes a pivotal point in assessing the vessel's stability.Understanding the longitudinal metacenter involves a deeper exploration into the principles of hydrostatics and dynamics. When a vessel is subjected to external forces, such as waves or wind, its stability is influenced by the relationship between the center of gravity and the longitudinal metacenter. If the center of gravity is below the longitudinal metacenter, the vessel tends to right itself after being tilted, indicating good stability. Conversely, if the center of gravity is above the longitudinal metacenter, the vessel may capsize, posing significant risks to safety.In practical terms, engineers and designers must consider the longitudinal metacenter during the design phase of a ship. By calculating the position of the longitudinal metacenter, they can make informed decisions about the distribution of weight and the shape of the hull. For instance, a wider hull may lower the center of gravity and increase stability, while a narrow hull might raise it, necessitating careful consideration of cargo placement and ballast systems.Moreover, the longitudinal metacenter is not static; it varies with the loading condition of the vessel. As cargo is loaded or unloaded, the center of gravity changes, thus affecting the position of the longitudinal metacenter. Therefore, continuous monitoring and adjustment are vital for maintaining stability throughout the journey of the vessel. This aspect highlights the importance of training and knowledge for crew members, who must understand how to manage the vessel's load effectively.In conclusion, the longitudinal metacenter is a fundamental concept that significantly impacts the design, stability, and safety of marine vessels. A thorough understanding of this term allows engineers and naval architects to create safer and more efficient ships. Moreover, it serves as a reminder of the intricate balance between design and functionality in marine engineering. As maritime activities continue to grow, the relevance of the longitudinal metacenter will remain paramount in ensuring the safety and efficiency of sea transport. The integration of advanced technologies and simulations may further enhance our understanding of the longitudinal metacenter, leading to improved designs and safer voyages in the future.

“纵向重心”这一概念在海洋建筑和海洋工程中至关重要，因为它在理解漂浮船只的稳定性方面发挥着重要作用。longitudinal metacenter可以定义为当船只纵向倾斜时，浮力作用的点。这个点是至关重要的，因为它有助于确定船只在各种海况下的行为。当船只静止时，其重心正好位于浮心的正上方。然而，如果船只倾斜，浮心将发生位移，而longitudinal metacenter则成为评估船只稳定性的关键点。理解longitudinal metacenter需要深入探讨流体静力学和动力学的原理。当一艘船受到外部力量（例如波浪或风）的作用时，其稳定性受到重心与longitudinal metacenter之间关系的影响。如果重心位于longitudinal metacenter之下，船只在倾斜后会倾向于自我恢复，表明良好的稳定性。相反，如果重心位于longitudinal metacenter之上，船只可能会倾覆，给安全带来重大风险。在实际操作中，工程师和设计师必须在船只设计阶段考虑longitudinal metacenter。通过计算longitudinal metacenter的位置，他们可以对重量分布和船体形状做出明智的决策。例如，更宽的船体可能会降低重心并增加稳定性，而狭窄的船体可能会提高重心，因此需要仔细考虑货物放置和压载系统。此外，longitudinal metacenter并不是静态的；它随着船只的装载条件而变化。随着货物的装载或卸载，重心发生变化，从而影响longitudinal metacenter的位置。因此，持续监测和调整对于在船只航行过程中保持稳定至关重要。这一方面强调了船员培训和知识的重要性，他们必须了解如何有效管理船只的负荷。总之，longitudinal metacenter是一个根本概念，对海洋船只的设计、稳定性和安全性产生了重大影响。对这个术语的透彻理解使工程师和海军建筑师能够创造出更安全、更高效的船只。此外，它提醒我们在海洋工程中设计与功能之间的微妙平衡。随着海事活动的持续增长，longitudinal metacenter的相关性将在确保海上运输的安全性和效率方面保持重要。先进技术和模拟的整合可能进一步增强我们对longitudinal metacenter的理解，从而在未来改善设计和确保航行安全。