under hung rudder

简明释义

铲型舵

英英释义

例句

1.The ship's maneuverability improved significantly after installing an under hung rudder.

在安装了下挂舵后，船只的机动性显著提高。

2.Engineers recommend the under hung rudder for larger vessels due to its stability.

工程师建议大型船只使用下挂舵，因为它更稳定。

3.After testing various designs, they opted for the under hung rudder for its efficiency.

在测试了各种设计后，他们选择了下挂舵，因为它的高效性。

4.During the storm, the captain relied on the under hung rudder to maintain control.

在暴风雨中，船长依靠下挂舵来保持控制。

5.The design of the under hung rudder allows for better water flow around the blade.

下挂舵的设计允许水流更好地绕过叶片。

作文

The concept of an under hung rudder is fundamental in the field of naval architecture and marine engineering. It refers to a type of rudder that is mounted below the waterline, which can significantly influence the maneuverability and stability of a vessel. Understanding how an under hung rudder operates is crucial for both shipbuilders and sailors alike, as it impacts the overall performance of the ship in various conditions. One of the primary advantages of using an under hung rudder is its ability to provide enhanced control over the direction of the vessel. When a ship turns, the rudder acts as a steering mechanism, allowing the captain to navigate through tight spaces or adjust the course in response to changing weather conditions. The placement of the rudder beneath the hull can reduce drag and improve hydrodynamics, making it easier for the ship to change direction quickly and efficiently. This is particularly beneficial for smaller vessels that require precise handling. Moreover, an under hung rudder can also contribute to the vessel's stability. By positioning the rudder lower in the water, the center of pressure is shifted, which can help counteract the forces acting on the ship during rough seas. This stability is essential for maintaining a smooth and safe passage, especially when navigating through turbulent waters. In contrast, a rudder that is mounted higher may be more susceptible to the effects of waves and wind, potentially leading to loss of control. However, there are certain challenges associated with the under hung rudder design. One significant concern is the risk of damage from underwater obstacles. Since the rudder is positioned lower, it may be more likely to collide with submerged objects, such as rocks or debris. This can lead to costly repairs and downtime for the vessel. Therefore, it is essential for operators to be aware of their surroundings and to navigate cautiously in unfamiliar waters. Additionally, maintenance of an under hung rudder can be more complex than other rudder types. Regular inspections are necessary to ensure that the rudder is functioning correctly and to address any wear and tear that may occur over time. Proper maintenance is vital for ensuring the longevity and reliability of the rudder, which ultimately affects the overall safety of the vessel. In conclusion, the under hung rudder plays a critical role in the performance of many marine vessels. Its unique design offers advantages in terms of maneuverability and stability, making it a popular choice among shipbuilders. However, it is essential to consider the potential risks and maintenance requirements associated with this type of rudder. By understanding the intricacies of an under hung rudder, both sailors and engineers can make informed decisions that enhance the safety and efficiency of maritime operations.

“下挂舵”这一概念在海洋建筑和海洋工程领域中至关重要。它指的是一种安装在水线以下的舵，这可以显著影响船只的机动性和稳定性。理解“下挂舵”的工作原理对于船舶制造商和水手来说都是至关重要的，因为它影响船只在各种条件下的整体性能。使用“下挂舵”的主要优点之一是其能够提供增强的方向控制。当船只转向时，舵作为一个操控机制，使船长能够在狭窄空间内航行或根据天气变化调整航向。将舵置于船体下方可以减少阻力并改善水动力学，使船只能够快速高效地改变方向。这对于需要精确操控的小型船只尤其有利。此外，“下挂舵”还可以促进船只的稳定性。通过将舵置于水下，压力中心会发生转移，这有助于抵消在恶劣海况下作用于船只的力量。这种稳定性对于保持平稳和安全的航行至关重要，特别是在穿越湍急水域时。相比之下，安装较高的舵可能更容易受到波浪和风的影响，可能导致失去控制。然而，与“下挂舵”设计相关的某些挑战也存在。其中一个重大问题是与水下障碍物碰撞的风险。由于舵的位置较低，它可能更容易与水下物体（如岩石或碎片）发生碰撞。这可能导致昂贵的维修和船只停工。因此，操作人员必须意识到周围环境，并在不熟悉的水域中谨慎航行。此外，“下挂舵”的维护可能比其他类型的舵更复杂。定期检查是确保舵正常运作和解决随时间发生的磨损的重要措施。适当的维护对于确保舵的耐久性和可靠性至关重要，而这最终影响到船只的整体安全性。总之，“下挂舵”在许多海洋船只的性能中扮演着关键角色。其独特的设计在机动性和稳定性方面提供了优势，使其成为船舶制造商的热门选择。然而，必须考虑与这种类型的舵相关的潜在风险和维护要求。通过理解“下挂舵”的复杂性，水手和工程师可以做出明智的决策，从而提高海事操作的安全性和效率。