metacentric diagram

简明释义

稳心图

英英释义

A metacentric diagram is a graphical representation used in naval architecture to illustrate the stability of a floating body, particularly a ship, by showing the relationship between the center of gravity, center of buoyancy, and metacenter.

重心图是用于海洋建筑学的图形表示,旨在说明浮动物体(特别是船舶)的稳定性,通过展示重心、浮心和重心点之间的关系。

例句

1.During the training session, we analyzed a metacentric diagram to determine the ideal loading conditions for the yacht.

在培训课程中,我们分析了一张重心图,以确定游艇的理想装载条件。

2.Understanding the metacentric diagram is crucial for predicting how a vessel will respond to waves.

理解重心图对于预测船只在波浪中的反应至关重要。

3.The naval architect presented a detailed metacentric diagram to illustrate the stability of the new ship design.

海军建筑师展示了一张详细的重心图,以说明新船设计的稳定性。

4.We used the metacentric diagram to compare the stability of different hull shapes.

我们使用重心图比较不同船体形状的稳定性。

5.The metacentric diagram showed that the vessel had a high metacentric height, indicating good stability.

这张重心图显示该船具有较高的重心高度,表明其稳定性良好。

作文

In the field of naval architecture, the stability of a ship is of utmost importance. One key concept that helps in understanding this stability is the metacentric diagram. A metacentric diagram is a graphical representation that illustrates the relationship between the center of gravity (G), the center of buoyancy (B), and the metacenter (M) of a floating body. This diagram plays a crucial role in determining the stability of vessels, particularly during various loading conditions and when subjected to external forces such as wind and waves.To understand the significance of a metacentric diagram, we must first define its components. The center of gravity (G) is the point where the weight of the vessel is concentrated, while the center of buoyancy (B) is the centroid of the underwater volume of the ship. The metacenter (M) is a point where the buoyant force acts when the ship is tilted. When a vessel is upright, the center of buoyancy is directly below the center of gravity. However, when the ship tilts, the center of buoyancy shifts, and the position of the metacenter becomes critical in assessing the stability of the ship.The metacentric diagram visually represents these points and their relationships. It allows naval architects to determine the metacentric height (GM), which is the distance between the center of gravity (G) and the metacenter (M). A larger metacentric height indicates better stability, meaning the vessel will return to an upright position more quickly after being tilted. Conversely, a smaller metacentric height can lead to a less stable vessel, increasing the risk of capsizing.Creating a metacentric diagram involves plotting the positions of G, B, and M on a coordinate system. As the ship's loading conditions change, the positions of G and B will also shift, resulting in changes to the metacentric height. By analyzing these shifts through the metacentric diagram, engineers can make informed decisions about the design and loading of the vessel to ensure safety and performance at sea.Moreover, the metacentric diagram is not only essential for new designs but also for existing vessels. Regular assessments using this diagram can help in identifying any alterations in stability due to modifications or wear over time. For example, if a vessel undergoes significant changes in cargo capacity or structural modifications, the metacentric diagram can provide insights into how these changes affect overall stability.In conclusion, the metacentric diagram is a vital tool in naval architecture that aids in understanding and ensuring the stability of ships. By analyzing the relationships between the center of gravity, center of buoyancy, and metacenter, engineers can optimize vessel designs and loading practices. This not only enhances the safety of maritime operations but also contributes to the efficiency and performance of vessels in various sea conditions. Without the insights provided by a metacentric diagram, the risk of instability and accidents at sea would significantly increase, highlighting its importance in the field of naval engineering.

在海洋建筑领域,船舶的稳定性至关重要。一个帮助理解这种稳定性的关键概念是重心图重心图是一种图形表示,说明了浮体的重心(G)、浮力中心(B)和重心(M)之间的关系。该图在确定船舶的稳定性方面起着至关重要的作用,尤其是在各种装载条件下以及在风浪等外力作用下。要理解重心图的重要性,我们必须首先定义其组成部分。重心(G)是船舶重量集中所在的点,而浮力中心(B)是船舶水下体积的质心。重心(M)是当船舶倾斜时浮力作用的点。当船舶处于直立状态时,浮力中心正好位于重心正下方。然而,当船舶倾斜时,浮力中心会移动,重心的位置在评估船舶稳定性时变得至关重要。重心图直观地表示这些点及其关系。它使海洋建筑师能够确定重心高度(GM),即重心(G)与重心(M)之间的距离。较大的重心高度表示更好的稳定性,这意味着船舶在倾斜后会更快地恢复到直立位置。相反,较小的重心高度可能导致船舶稳定性较差,增加翻覆的风险。创建重心图涉及在坐标系统中绘制G、B和M的位置。随着船舶装载条件的变化,G和B的位置也会发生变化,从而导致重心高度的变化。通过分析重心图中的这些变化,工程师可以就船舶的设计和装载做出明智的决策,以确保海上的安全和性能。此外,重心图不仅对新设计至关重要,对现有船舶同样如此。定期使用此图进行评估可以帮助识别由于修改或磨损而导致的稳定性变化。例如,如果一艘船经历了显著的货物容量或结构修改,重心图可以提供关于这些变化如何影响整体稳定性的见解。总之,重心图是海洋建筑中一种重要工具,有助于理解和确保船舶的稳定性。通过分析重心、浮力中心和重心之间的关系,工程师可以优化船舶设计和装载实践。这不仅增强了海上作业的安全性,还提高了船舶在各种海况下的效率和性能。如果没有重心图提供的见解,船舶的不稳定和海上事故的风险将显著增加,这突显了其在海洋工程领域的重要性。

相关单词

metacentric

metacentric详解:怎么读、什么意思、用法