ship screw

简明释义

螺旋推进器螺旋桨

英英释义

例句

1.The ship screw is crucial for maneuvering the ship in tight spaces.

船螺旋桨在狭小空间内操控船只时至关重要。

2.A damaged ship screw can lead to reduced speed and increased fuel consumption.

损坏的船螺旋桨可能导致速度降低和燃料消耗增加。

3.The engineer inspected the ship screw to ensure it was functioning properly.

工程师检查了船螺旋桨以确保其正常运转。

4.The efficiency of the vessel depends largely on the design of the ship screw.

船只的效率在很大程度上依赖于船螺旋桨的设计。

5.During the maintenance, we found that the ship screw needed to be replaced.

在维护过程中，我们发现船螺旋桨需要更换。

作文

The maritime industry has always been a cornerstone of global trade and transportation. Among the various components that contribute to the efficiency of ships, the ship screw plays a pivotal role. The ship screw is essentially a type of propeller used to propel a vessel forward through water. Its design and functionality have evolved significantly over the years, reflecting advancements in engineering and technology. Understanding the mechanics of the ship screw is crucial for anyone interested in maritime operations. The ship screw converts rotational energy into linear thrust, allowing the ship to move efficiently. When the ship screw spins, it creates a pressure differential that pushes water backward, which in turn propels the ship forward. This principle is based on Newton's third law of motion: for every action, there is an equal and opposite reaction. The materials used in constructing a ship screw are also important to consider. Traditionally, they were made from bronze or cast iron, but modern designs often utilize stainless steel or composite materials to enhance durability and performance. The choice of material affects not only the longevity of the ship screw but also its efficiency in different marine environments. An interesting aspect of the ship screw is its design variations. There are several types of screws, including fixed-pitch, controllable-pitch, and variable-pitch screws. Each type serves a specific purpose and is selected based on the ship's operational requirements. For instance, a controllable-pitch ship screw allows for adjustments in blade angle, providing better maneuverability and fuel efficiency, especially in varying sea conditions. Moreover, the performance of a ship screw can be influenced by factors such as hull design, speed, and the vessel's load. Engineers must carefully analyze these elements to optimize the ship screw for maximum efficiency. Computational fluid dynamics (CFD) simulations are often employed to predict how different designs will perform in real-world conditions. In conclusion, the ship screw is an essential component of marine engineering that deserves more attention and understanding. Its ability to convert rotational motion into thrust is fundamental to the operation of vessels. As technology progresses, we can expect further innovations in the design and materials of ship screws, leading to more efficient and environmentally friendly maritime transport solutions. Understanding the intricacies of the ship screw not only enhances our knowledge of naval architecture but also highlights the importance of this component in the broader context of global trade and transportation.

海洋行业一直是全球贸易和运输的基石。在促进船舶效率的各种组件中，船螺旋桨发挥着关键作用。船螺旋桨本质上是一种用于推动船只在水中前进的螺旋桨。随着工程和技术的进步，其设计和功能已经显著演变。理解船螺旋桨的机械原理对于任何对海事操作感兴趣的人来说都是至关重要的。船螺旋桨将旋转能量转换为线性推力，使船只能够高效移动。当船螺旋桨旋转时，会产生压力差，推动水向后，从而推动船只向前。这一原理基于牛顿第三运动定律：每一个作用都有一个相等且相反的反应。制造船螺旋桨所用的材料也很重要。传统上，它们是由青铜或铸铁制成的，但现代设计通常使用不锈钢或复合材料，以增强耐用性和性能。材料的选择不仅影响船螺旋桨的使用寿命，还影响其在不同海洋环境中的效率。船螺旋桨的设计变体也是一个有趣的方面。有几种类型的螺旋桨，包括固定螺距、可控螺距和可变螺距螺旋桨。每种类型都有特定的用途，并根据船只的操作要求进行选择。例如，可控螺距船螺旋桨允许调整叶片角度，从而提供更好的机动性和燃油效率，特别是在变化的海洋条件下。此外，船螺旋桨的性能还会受到船体设计、速度和船只负载等因素的影响。工程师必须仔细分析这些元素，以优化船螺旋桨以获得最大效率。计算流体动力学（CFD）模拟通常用于预测不同设计在实际条件下的表现。总之，船螺旋桨是海洋工程中一个不可或缺的组成部分，值得更多的关注和理解。它将旋转运动转换为推力的能力是船只运行的基础。随着技术的进步，我们可以期待在船螺旋桨的设计和材料方面进一步创新，从而导致更高效和环保的海洋运输解决方案。理解船螺旋桨的复杂性不仅增强了我们对船舶建筑的知识，也突显了这一组件在全球贸易和运输更广泛背景下的重要性。