reversible propeller

简明释义

变推进器

英英释义

例句

1.During docking, the captain relied on the reversible propeller to control the vessel's speed.

在靠岸时，船长依靠可逆螺旋桨来控制船只的速度。

2.The boat was equipped with a reversible propeller, allowing it to navigate easily in both directions.

这艘船配备了一个可逆螺旋桨，使其能够轻松地在两个方向上航行。

3.The design of the reversible propeller allows for efficient thrust in both forward and reverse.

该可逆螺旋桨的设计允许在前进和倒退时都能高效产生推力。

4.The reversible propeller is a crucial component for tugboats that need to change direction quickly.

对于需要快速改变方向的拖船来说，可逆螺旋桨是一个关键部件。

5.Using a reversible propeller can enhance the maneuverability of small vessels in tight spaces.

使用可逆螺旋桨可以提高小型船只在狭窄空间中的机动性。

作文

The concept of a reversible propeller is integral to understanding modern marine engineering and aviation technology. A reversible propeller is designed to change the direction of thrust, allowing a vessel or aircraft to move forward or backward efficiently. This innovation has revolutionized how we operate boats and aircraft, providing greater control and maneuverability in various situations.One of the primary advantages of a reversible propeller is its ability to enhance the safety of operations. For instance, in maritime contexts, when a ship needs to dock or navigate through tight spaces, the ability to reverse thrust can significantly reduce the risk of collisions. Traditional propellers often require additional equipment, such as bow thrusters, to achieve similar results. In contrast, a reversible propeller simplifies this process, making it easier for operators to manage their vessels in challenging conditions.In aviation, the use of a reversible propeller can also be seen in certain aircraft designs, particularly those used for cargo transport. These aircraft benefit from the ability to reverse thrust during landing, which helps to shorten the landing distance. By redirecting the airflow produced by the propeller, pilots can achieve a more controlled descent and stop the aircraft more quickly upon touchdown. This feature is particularly useful when landing on shorter runways or in adverse weather conditions where stopping distances may be extended.Moreover, the mechanics behind a reversible propeller are fascinating. Typically, these propellers consist of blades that can pivot around their axis. When the pilot or operator activates the reversal mechanism, the blades rotate to an angle that directs the thrust in the opposite direction. This versatility not only improves operational efficiency but also contributes to fuel savings, as less power is required to achieve the same maneuvers compared to using multiple systems.As technology continues to advance, the design and implementation of reversible propellers are becoming increasingly sophisticated. Engineers are exploring new materials and configurations that enhance performance while reducing weight and maintenance costs. The integration of computer-aided design (CAD) tools allows for precise modeling and testing of new propeller designs, ensuring optimal functionality in various environments.In conclusion, the reversible propeller represents a significant advancement in propulsion technology, offering numerous benefits in terms of safety, efficiency, and control. As both marine and aviation industries continue to evolve, the importance of such innovations cannot be overstated. Understanding the role of a reversible propeller not only highlights the intricacies of engineering but also showcases the ongoing quest for improved performance in transportation. As we look to the future, it is clear that the reversible propeller will remain a key component in the development of more efficient and safer vehicles, paving the way for new possibilities in travel and logistics.

可逆螺旋桨的概念对于理解现代海洋工程和航空技术至关重要。可逆螺旋桨设计用于改变推力方向，使船只或飞机能够高效地向前或向后移动。这一创新彻底改变了我们操作船只和飞机的方式，在各种情况下提供了更大的控制和机动性。可逆螺旋桨的主要优点之一是增强了操作的安全性。例如，在海事环境中，当船只需要停靠或在狭窄空间内航行时，反向推力的能力可以显著降低碰撞风险。传统螺旋桨通常需要额外的设备，如船头推进器，才能实现类似的效果。相比之下，可逆螺旋桨简化了这一过程，使操作员在困难条件下更容易管理他们的船只。在航空方面，某些货运飞机设计中也可以看到可逆螺旋桨的使用。这些飞机受益于在着陆时反向推力的能力，这有助于缩短着陆距离。通过重新定向螺旋桨产生的气流，飞行员可以实现更受控的下降，并在着陆时更快地停止飞机。这个功能在短跑道着陆或恶劣天气条件下尤其有用，因为此时停止距离可能会延长。此外，关于可逆螺旋桨的机械原理非常有趣。通常，这些螺旋桨由可以围绕其轴心旋转的叶片组成。当飞行员或操作员激活反转机制时，叶片会旋转到一个角度，将推力指向相反的方向。这种多功能性不仅提高了操作效率，还节省了燃料，因为与使用多个系统相比，达到相同机动所需的动力较少。随着技术的不断进步，可逆螺旋桨的设计和实施变得越来越复杂。工程师们正在探索新材料和配置，以提高性能，同时降低重量和维护成本。计算机辅助设计（CAD）工具的集成使得新螺旋桨设计的精确建模和测试成为可能，确保在各种环境中的最佳功能。总之，可逆螺旋桨代表了推进技术的重要进步，在安全性、效率和控制方面提供了众多好处。随着海洋和航空工业的不断发展，这类创新的重要性不容忽视。理解可逆螺旋桨的作用不仅突显了工程学的复杂性，也展示了在运输领域对提高性能的持续追求。展望未来，显然可逆螺旋桨将继续成为开发更高效、更安全车辆的关键组成部分，为旅行和物流的新可能性铺平道路。