underwater hull

简明释义

水下船体

英英释义

例句

1.The underwater hull was painted with antifouling paint to prevent marine growth.

为了防止海洋生物附着，水下船体涂上了防污漆。

2.Divers were sent down to clean the underwater hull of the ship.

潜水员被派去清洗船只的水下船体。

3.The maintenance team inspected the underwater hull to ensure there were no signs of corrosion.

维修团队检查了水下船体以确保没有腐蚀的迹象。

4.The design of the underwater hull is crucial for the vessel's hydrodynamics.

设计水下船体对船只的流体动力学至关重要。

5.Before launching the vessel, the engineers applied a protective coating to the underwater hull.

在船只下水之前，工程师们对水下船体涂上了一层保护涂层。

作文

The design and construction of ships involve numerous technical considerations, one of which is the underwater hull. The underwater hull refers to the portion of a ship that is submerged in water, playing a critical role in the vessel's performance and efficiency. Understanding its importance is essential for anyone involved in maritime engineering or shipbuilding.Firstly, the underwater hull is crucial for hydrodynamics. The shape and design of this part of the ship affect how water flows around it, which in turn influences speed and fuel efficiency. A well-designed underwater hull reduces drag, allowing the vessel to move more smoothly through the water. This is particularly important for commercial shipping companies that aim to minimize operational costs while maximizing cargo capacity.Moreover, the materials used in constructing the underwater hull are vital for the longevity and durability of the ship. Common materials include steel and aluminum, which provide strength and resistance to corrosion. However, advancements in technology have led to the use of composite materials that can offer even better performance. These materials help to prevent biofouling, which is the accumulation of microorganisms, plants, algae, and animals on the submerged surfaces of the ship. This not only affects the aesthetics of the vessel but also its performance, as biofouling increases drag and decreases fuel efficiency.In addition to performance considerations, the underwater hull must also comply with various regulations and standards set by maritime authorities. These regulations ensure that ships are designed with safety in mind, minimizing risks such as capsizing or structural failure. Engineers must carefully analyze the underwater hull during the design phase to ensure it meets all necessary criteria before construction begins.Furthermore, regular maintenance of the underwater hull is essential for the overall health of the vessel. Ship owners often schedule dry-docking periods where the ship is taken out of the water for inspection and repairs. During these inspections, the condition of the underwater hull is assessed, and any signs of wear, corrosion, or damage are addressed. This proactive approach helps to extend the lifespan of the ship and ensures it remains safe and efficient throughout its operational life.Lastly, innovations in technology continue to impact the design and maintenance of the underwater hull. The use of advanced modeling software allows engineers to simulate how different designs will perform in various conditions before any physical work is done. Additionally, underwater drones and robotic systems are increasingly being used to inspect the underwater hull without the need for dry-docking, thus saving time and resources.In conclusion, the underwater hull is a fundamental component of ship design that significantly impacts performance, safety, and maintenance. A deep understanding of this aspect of shipbuilding can lead to more efficient vessels and better practices in the maritime industry. As technology continues to evolve, so too will the methods for designing and maintaining the underwater hull, ensuring that ships remain reliable and efficient for years to come.

船舶的设计和建造涉及许多技术考虑，其中之一就是水下船体。水下船体指的是船只浸没在水中的部分，它在船舶的性能和效率中扮演着关键角色。理解它的重要性对于任何参与海事工程或造船的人来说都是至关重要的。首先，水下船体对流体动力学至关重要。该船体部分的形状和设计影响水流绕过它的方式，这反过来又影响速度和燃料效率。设计良好的水下船体可以减少阻力，使船只更顺畅地穿行于水中。这对于旨在最小化运营成本并最大化货物容量的商业航运公司尤为重要。此外，构建水下船体所使用的材料对于船舶的耐久性和持久性至关重要。常用的材料包括钢和铝，这些材料提供强度和抗腐蚀能力。然而，技术的进步导致复合材料的使用，这些材料能够提供更好的性能。这些材料帮助防止生物污垢，即微生物、植物、藻类和动物在船只浸没表面上的积聚。这不仅影响船只的美观，还影响其性能，因为生物污垢会增加阻力并降低燃料效率。除了性能考虑外，水下船体还必须遵循海事当局设定的各种法规和标准。这些法规确保船舶在设计时考虑到安全，尽量减少倾覆或结构失效等风险。工程师必须在设计阶段仔细分析水下船体，以确保在开始建造之前满足所有必要的标准。此外，定期维护水下船体对于船舶的整体健康至关重要。船主通常会安排干船坞期，将船只从水中取出进行检查和维修。在这些检查期间，评估水下船体的状况，并解决任何磨损、腐蚀或损坏的迹象。这种主动的方法有助于延长船舶的使用寿命，并确保其在整个运营过程中保持安全和高效。最后，技术的创新继续影响水下船体的设计和维护。先进的建模软件的使用使工程师能够在进行任何实际工作之前模拟不同设计在各种条件下的表现。此外，水下无人机和机器人系统越来越多地被用于检查水下船体，无需干船坞，从而节省时间和资源。总之，水下船体是船舶设计的基本组成部分，对性能、安全和维护有重大影响。深入理解这一造船方面可以导致更高效的船舶和更好的海事行业实践。随着技术的不断发展，设计和维护水下船体的方法也将不断演变，确保船舶在未来多年内保持可靠和高效。