variable pitch reversing propeller

简明释义

变距可逆转螺旋桨

英英释义

例句

1.The fishing boat was fitted with a variable pitch reversing propeller to quickly change direction when catching fish.

这艘渔船装配了可变螺距反向螺旋桨，以便在捕捉鱼类时迅速改变方向。

2.The variable pitch reversing propeller provides greater control over the ship's speed and direction.

这种可变螺距反向螺旋桨提供了对船只速度和方向的更大控制。

3.With a variable pitch reversing propeller, the vessel can achieve better fuel efficiency during docking.

配备可变螺距反向螺旋桨的船只在靠泊时可以实现更好的燃油效率。

4.Using a variable pitch reversing propeller allows for smoother transitions between forward and reverse thrust.

使用可变螺距反向螺旋桨可以实现前进和后退推力之间更平滑的过渡。

5.The yacht's engine is equipped with a variable pitch reversing propeller to enhance maneuverability in tight spaces.

这艘游艇的发动机配备了可变螺距反向螺旋桨，以增强在狭小空间内的机动性。

作文

The marine industry has seen significant advancements in technology, particularly in the design of propulsion systems. One of the most innovative developments is the variable pitch reversing propeller, a mechanism that allows for greater efficiency and maneuverability in vessels. Understanding the functionality and benefits of this type of propeller is essential for both engineers and operators in the maritime field.A variable pitch reversing propeller is designed to alter the angle of its blades while the propeller is in motion. This capability is crucial because it enables the vessel to change its thrust direction without needing to reverse the entire engine. The ability to adjust the pitch of the blades offers several advantages, such as improved fuel efficiency and enhanced control over the vessel's movement.In traditional fixed-pitch propellers, the angle of the blades remains constant, which can lead to inefficiencies when the vessel is operating at different speeds or in varying conditions. For instance, when a ship needs to slow down or maneuver in tight spaces, a fixed-pitch propeller may not provide the optimal thrust required. In contrast, a variable pitch reversing propeller can be adjusted to deliver the necessary thrust in either direction, making it an invaluable asset for large ships, tugboats, and other vessels that require precise handling.Another significant advantage of a variable pitch reversing propeller is its ability to improve safety. When a vessel is approaching a dock or navigating through congested waters, having the option to quickly reverse thrust can prevent accidents and collisions. The rapid response of the propeller allows for swift adjustments to the vessel's speed and direction, enhancing overall navigational safety.Moreover, the maintenance of a variable pitch reversing propeller is often more straightforward than that of traditional systems. Although these propellers are more complex mechanically, they tend to experience less wear and tear because they can operate efficiently across a range of conditions. This efficiency reduces the strain on the engine and other components, potentially lowering maintenance costs over time.However, it is important to note that the implementation of a variable pitch reversing propeller requires careful consideration of the vessel's design and operational requirements. The complexity of the system demands skilled operators who understand how to optimize its use. Additionally, the initial cost of installing such a system can be higher than traditional propellers, but the long-term benefits often outweigh these upfront expenses.In conclusion, the variable pitch reversing propeller represents a significant leap forward in marine propulsion technology. Its ability to adjust blade pitch enhances efficiency, safety, and maneuverability, making it an essential component for modern vessels. As the maritime industry continues to evolve, understanding and utilizing advanced technologies like the variable pitch reversing propeller will be crucial for ensuring optimal performance and safety on the water.

海洋工业在技术方面取得了显著进展，特别是在推进系统的设计上。其中最具创新性的开发之一是可变螺距反向螺旋桨，这种机制允许船只在航行中实现更高的效率和机动性。理解这种类型的螺旋桨的功能和优点，对海事领域的工程师和操作员都是至关重要的。可变螺距反向螺旋桨的设计可以在螺旋桨运动时改变其叶片的角度。这种能力至关重要，因为它使船只能够在不需要反转整个发动机的情况下改变推力方向。调整叶片的螺距提供了几项优势，例如提高燃油效率和增强对船只运动的控制。在传统的固定螺距螺旋桨中，叶片的角度保持不变，这可能导致船只在不同速度或不同条件下运行时效率低下。例如，当船只需要减速或在狭窄空间内机动时，固定螺距螺旋桨可能无法提供所需的最佳推力。相比之下，可变螺距反向螺旋桨可以调整以提供所需的推力，无论是向前还是向后，这使其成为大型船舶、拖船和其他需要精确操控的船只的重要资产。可变螺距反向螺旋桨的另一个显著优势是其能够提高安全性。当船只接近码头或在拥挤水域中航行时，能够快速反向推力的选择可以防止事故和碰撞。螺旋桨的快速响应使得对船只的速度和方向进行迅速调整成为可能，从而增强整体导航安全性。此外，可变螺距反向螺旋桨的维护通常比传统系统更为简单。尽管这些螺旋桨在机械上更为复杂，但由于它们能够在各种条件下高效运作，因此往往会经历较少的磨损。这种效率降低了对发动机和其他组件的压力，从而可能降低长期维护成本。然而，需要注意的是，实施可变螺距反向螺旋桨时必须仔细考虑船只的设计和操作要求。该系统的复杂性要求熟练的操作员懂得如何优化其使用。此外，安装此类系统的初始成本可能高于传统螺旋桨，但长期利益通常会超过这些前期开支。总之，可变螺距反向螺旋桨代表了海洋推进技术的重大飞跃。其调整叶片螺距的能力提高了效率、安全性和机动性，使其成为现代船只的基本组成部分。随着海洋工业的不断发展，理解和利用像可变螺距反向螺旋桨这样的先进技术，对于确保水上最佳性能和安全至关重要。