propelling screw

简明释义

螺旋桨

英英释义

例句

1.During the test, the propelling screw performed exceptionally well under load.

在测试期间，推进螺旋桨在负载下表现得非常出色。

2.Engineers designed a new propelling screw to enhance underwater navigation.

工程师们设计了一种新的推进螺旋桨以增强水下导航。

3.A malfunction in the propelling screw can lead to significant delays in shipping.

如果推进螺旋桨出现故障，可能会导致运输严重延误。

4.The ship's speed was increased by the efficiency of the propelling screw.

船的速度因推进螺旋桨的高效而提高。

5.The propelling screw allows the vessel to maneuver through rough waters.

该推进螺旋桨使船只能够在恶劣水域中灵活操控。

作文

The concept of a propelling screw is crucial in understanding the mechanics of various machines, particularly in maritime engineering. A propelling screw refers to a type of screw propeller that converts rotational motion into thrust, enabling vessels to move through water efficiently. This invention has revolutionized marine transportation, allowing ships to travel faster and more smoothly than ever before.Historically, the development of the propelling screw can be traced back to the early 19th century when engineers began to experiment with different forms of propulsion. Before the introduction of the propelling screw, ships primarily relied on sails or oars for movement. However, these methods had significant limitations, especially in terms of speed and maneuverability. The advent of steam power brought about the need for more effective propulsion systems, leading to the design of the propelling screw.The basic principle behind the propelling screw is relatively straightforward. When the screw rotates, its blades push against the water, creating a difference in pressure that results in forward motion. This mechanism allows for greater efficiency compared to traditional paddle wheels, as the propelling screw can operate at higher speeds and with less resistance.One of the key advantages of the propelling screw is its ability to provide thrust in a more controlled manner. Engineers can design the pitch and diameter of the screw to optimize performance for specific types of vessels. For example, a larger diameter might be used for cargo ships that require substantial thrust to move heavy loads, while a smaller diameter could be utilized for fast-moving yachts. This adaptability makes the propelling screw an essential component in modern ship design.Moreover, the propelling screw has also found applications beyond maritime contexts. In various industrial settings, similar screw mechanisms are employed in pumps and compressors, demonstrating the versatility of this technology. The principles governing the propelling screw can be applied to different fields, showcasing its importance in engineering and technology.In conclusion, the propelling screw represents a significant advancement in the field of propulsion. Its ability to convert rotational energy into thrust has transformed maritime travel and continues to influence various engineering disciplines today. Understanding the function and design of the propelling screw is essential for anyone interested in mechanical engineering or marine technology. As we look to the future, innovations surrounding the propelling screw will likely continue to evolve, further enhancing the efficiency and effectiveness of propulsion systems worldwide.

“推进螺旋”这一概念在理解各种机器的机械原理时至关重要，尤其是在海洋工程领域。“推进螺旋”指的是一种螺旋推进器，它将旋转运动转化为推力，使得船只能够高效地在水中移动。这一发明彻底改变了海洋运输，使船只能够比以往更快、更平稳地航行。历史上，“推进螺旋”的发展可以追溯到19世纪初，当时工程师们开始尝试不同形式的推进方式。在“推进螺旋”问世之前，船只主要依靠帆或桨来移动。然而，这些方法在速度和机动性方面存在显著限制。蒸汽动力的出现带来了对更有效的推进系统的需求，从而导致了“推进螺旋”的设计。“推进螺旋”的基本原理相对简单。当螺旋旋转时，其叶片推动水流，产生压力差，从而导致前进运动。这一机制使得“推进螺旋”相比传统的桨轮具有更高的效率，因为“推进螺旋”可以以更高的速度和更小的阻力工作。“推进螺旋”的一个关键优势是它能够以更可控的方式提供推力。工程师可以设计螺旋的螺距和直径，以优化特定类型船只的性能。例如，较大的直径可能用于需要大量推力以移动重载的货船，而较小的直径则可用于快速游艇。这种适应性使得“推进螺旋”成为现代船舶设计中的重要组成部分。此外，“推进螺旋”还在海洋以外的应用中找到了用武之地。在各种工业环境中，类似的螺旋机制被用于泵和压缩机，展示了这一技术的多样性。支配“推进螺旋”的原理可以应用于不同领域，彰显了它在工程和技术中的重要性。总之，“推进螺旋”代表了推进领域的一项重要进展。其将旋转能量转化为推力的能力改变了海洋旅行，并继续影响着各个工程学科。理解“推进螺旋”的功能和设计对于任何对机械工程或海洋技术感兴趣的人来说都是必不可少的。展望未来，围绕“推进螺旋”的创新可能会继续演变，进一步提升全球推进系统的效率和效果。