reversible propeller

简明释义

变距推进器

英英释义

例句

1.Many modern yachts utilize a reversible propeller system for better control in tight spaces.

许多现代游艇采用可逆螺旋桨系统，以便在狭小空间内更好地控制。

2.Using a reversible propeller can significantly improve the maneuverability of small vessels.

使用可逆螺旋桨可以显著提高小型船只的机动性。

3.The design of the reversible propeller allows for quick changes in direction during navigation.

这种可逆螺旋桨的设计允许在航行中快速改变方向。

4.The boat was equipped with a reversible propeller, allowing it to move forward and backward with ease.

这艘船配备了一个可逆螺旋桨，使其能够轻松前进和后退。

5.The fishing trawler's reversible propeller helped it to quickly reverse when nets got snagged.

渔船的可逆螺旋桨帮助它在网被卡住时迅速倒退。

作文

In the world of marine engineering, various technologies are employed to enhance the efficiency and maneuverability of vessels. One such technology is the reversible propeller, which plays a crucial role in enabling ships to change direction and speed effectively. The reversible propeller (可逆螺旋桨) allows for propulsion in both forward and reverse directions, providing significant advantages in navigation and docking scenarios. This essay will explore the functionality, benefits, and applications of the reversible propeller in modern maritime operations.The basic principle behind a reversible propeller is its ability to alter the pitch of the blades or the direction of rotation. Traditional propellers typically only push water in one direction, meaning that reversing a ship's movement requires a complete stop and then a change in thrust direction. In contrast, a reversible propeller can instantly switch between forward and backward thrust, which is particularly beneficial in tight spaces like harbors or when maneuvering around obstacles.One notable advantage of the reversible propeller is its enhanced control over the vessel's movement. For instance, when a ship approaches a dock, the captain must exercise precise control to ensure a safe landing. With a reversible propeller, the captain can quickly shift from forward to reverse thrust, allowing for fine adjustments to the ship's position without the risk of overshooting or losing momentum. This capability not only improves safety but also reduces the time required for docking procedures.Another benefit of the reversible propeller is its contribution to fuel efficiency. By allowing for smoother transitions between forward and reverse motions, these propellers can help minimize fuel consumption during maneuvers. This efficiency is particularly important in commercial shipping, where operating costs are a significant factor. As companies strive to reduce their environmental impact, the adoption of technologies like the reversible propeller becomes increasingly relevant.The applications of the reversible propeller extend beyond just cargo ships; they are also utilized in various types of vessels, including tugboats, ferries, and fishing boats. Tugboats, for example, rely heavily on their ability to maneuver swiftly in tight spaces, making the reversible propeller an essential component of their design. Similarly, ferries that transport passengers across short distances benefit from the quick response times enabled by this technology.In conclusion, the reversible propeller (可逆螺旋桨) is a vital innovation in marine engineering that enhances the maneuverability and efficiency of vessels. Its ability to provide thrust in both directions allows for greater control during critical operations such as docking and navigating narrow waterways. As the maritime industry continues to evolve, the importance of technologies like the reversible propeller will undoubtedly grow, paving the way for safer and more efficient maritime travel. Understanding the significance of the reversible propeller is essential for anyone involved in marine operations or interested in the advancements of maritime technology.

在海洋工程的世界中，各种技术被应用于提高船只的效率和机动性。其中一种技术是可逆螺旋桨，它在使船只有效地改变方向和速度方面发挥着至关重要的作用。可逆螺旋桨（reversible propeller）允许船只向前和向后推进，在导航和停靠场景中提供显著优势。本文将探讨可逆螺旋桨的功能、好处和现代海事操作中的应用。可逆螺旋桨的基本原理是其能够改变叶片的桨距或旋转方向。传统的螺旋桨通常只在一个方向上推动水，这意味着要逆转船只的运动需要完全停止，然后改变推力方向。相比之下，可逆螺旋桨可以瞬间在前向和后向推力之间切换，这在像港口这样狭窄的空间或在障碍物周围机动时特别有益。可逆螺旋桨的一个显著优势是它增强了对船只运动的控制。例如，当一艘船接近码头时，船长必须精确控制，以确保安全着陆。通过使用可逆螺旋桨，船长可以迅速从前向推力切换到反向推力，从而在不冒险超越或失去动力的情况下，对船只的位置进行微调。这种能力不仅提高了安全性，还减少了停靠程序所需的时间。可逆螺旋桨的另一个好处是它对燃油效率的贡献。通过允许在前向和后向运动之间平稳过渡，这些螺旋桨可以帮助在机动过程中最小化燃料消耗。这种效率在商业航运中尤为重要，因为运营成本是一个重要因素。随着公司努力减少其环境影响，像可逆螺旋桨这样的技术的采用变得越来越相关。可逆螺旋桨的应用不仅限于货船；它们还被用于各种类型的船只，包括拖轮、渡轮和渔船。例如，拖轮在狭窄空间中机动时非常依赖其快速机动能力，使得可逆螺旋桨成为其设计的必不可少的组成部分。同样，运输乘客的渡轮在短距离穿梭时也受益于这种技术所带来的快速响应时间。总之，可逆螺旋桨（reversible propeller）是海洋工程中的一项重要创新，它提高了船只的机动性和效率。它能够提供双向推力，使得在关键操作如停靠和导航狭窄水道时具有更大的控制力。随着海事行业的不断发展，像可逆螺旋桨这样的技术的重要性无疑会增加，为更安全、更高效的海事旅行铺平道路。理解可逆螺旋桨的重要性对于任何参与海洋操作或对海事技术进步感兴趣的人来说都是至关重要的。