feathering screw propeller

简明释义

变推进器

英英释义

例句

1.In racing conditions, the feathering screw propeller provided an advantage by optimizing speed and efficiency.

在比赛条件下，羽状螺旋桨通过优化速度和效率提供了优势。

2.The engineer explained how the feathering screw propeller works to enhance fuel efficiency.

工程师解释了羽状螺旋桨如何提高燃油效率。

3.The yacht was equipped with a state-of-the-art feathering screw propeller, allowing for smoother navigation in tight spaces.

这艘游艇配备了最先进的羽状螺旋桨，在狭窄空间内航行更加平稳。

4.When the engine was turned off, the feathering screw propeller automatically adjusted to reduce drag.

当发动机关闭时，羽状螺旋桨会自动调整以减少阻力。

5.The performance of the boat improved significantly after switching to a feathering screw propeller.

更换为羽状螺旋桨后，船只的性能显著提升。

作文

The advancement of technology in marine engineering has led to the development of various innovative components that enhance the performance and efficiency of vessels. One such component is the feathering screw propeller, which plays a crucial role in the propulsion system of ships and boats. Understanding the mechanics and advantages of this type of propeller can significantly contribute to the overall effectiveness of maritime operations.A feathering screw propeller is designed to adjust its blade angle, allowing it to 'feather' or rotate the blades out of the water when not in use. This capability is particularly beneficial during sailing, as it minimizes drag and increases the vessel's speed and maneuverability. The mechanism behind this innovation involves a series of hydraulic or mechanical systems that enable the blades to pivot. When the vessel is in motion, the blades are positioned to provide optimal thrust. However, when the vessel is sailing or moving at high speeds, the blades can be adjusted to a neutral position, reducing resistance and enhancing fuel efficiency.The application of feathering screw propeller technology is prevalent in racing yachts and some commercial vessels. In competitive sailing, every second counts, and the ability to reduce drag while maintaining speed can make a significant difference in race outcomes. Moreover, in commercial shipping, where fuel costs represent a substantial portion of operational expenses, the efficiency gained from using a feathering propeller can lead to considerable savings.Another advantage of the feathering screw propeller is its contribution to the vessel's handling characteristics. By allowing the propeller blades to feather, the vessel can achieve better control during maneuvers such as docking or navigating through tight spaces. This adaptability enhances safety and precision, which are vital in busy ports or congested waterways.However, there are also challenges associated with the implementation of feathering screw propeller systems. The complexity of the mechanical components can lead to increased maintenance requirements. Sailors and operators must be trained to handle these systems effectively, ensuring they can respond to any issues that may arise during operation. Additionally, the initial cost of installing a feathering propeller system can be higher than traditional fixed-pitch propellers, which may deter some vessel owners from making the switch.In conclusion, the feathering screw propeller represents a significant advancement in marine propulsion technology. Its ability to reduce drag and improve fuel efficiency makes it an attractive option for modern vessels, particularly in competitive and commercial settings. As the maritime industry continues to evolve, innovations like the feathering propeller will play an essential role in enhancing the performance and sustainability of sea travel. Understanding the benefits and challenges of this technology is crucial for anyone involved in maritime operations, as it can lead to more informed decisions regarding vessel design and operation. The future of marine engineering is undoubtedly bright, with technologies like the feathering screw propeller leading the way toward more efficient and effective maritime practices.

随着海洋工程技术的进步，各种创新组件的开发提高了船舶和船只的性能和效率。其中一个重要组件是可调螺旋桨，它在船舶的推进系统中发挥着关键作用。理解这种类型螺旋桨的机制和优势，对于整体海事操作的有效性有着重要的贡献。可调螺旋桨的设计使其能够调整叶片角度，从而在不使用时将叶片“翻转”或旋转出水面。这一能力在航行过程中尤为有利，因为它可以最小化阻力，提高船舶的速度和机动性。这项创新背后的机制涉及一系列液压或机械系统，使叶片能够枢转。当船舶在运动时，叶片被定位以提供最佳推力。然而，当船舶在航行或以高速移动时，叶片可以调整到中立位置，从而减少阻力并提高燃油效率。可调螺旋桨技术的应用在赛车帆船和一些商业船舶中十分普遍。在竞争性航行中，每一秒都至关重要，减少阻力同时保持速度的能力可以显著影响比赛结果。此外，在商业航运中，燃油成本占运营费用的相当大一部分，使用可调螺旋桨所获得的效率提升可以带来可观的节省。可调螺旋桨的另一个优势是其对船舶操控特性的贡献。通过允许螺旋桨叶片翻转，船舶在靠泊或在狭窄空间中导航时可以实现更好的控制。这种适应性增强了安全性和精确性，这在繁忙的港口或拥挤的水道中至关重要。然而，实施可调螺旋桨系统也存在挑战。机械组件的复杂性可能导致维护要求增加。水手和操作员必须接受培训，以有效处理这些系统，确保他们能够应对在操作过程中可能出现的任何问题。此外，安装可调螺旋桨系统的初始成本可能高于传统的固定螺旋桨，这可能会使一些船主不愿意进行更换。总之，可调螺旋桨代表了海洋推进技术的一项重要进展。其减少阻力和提高燃油效率的能力，使其成为现代船舶的一个有吸引力的选择，特别是在竞争性和商业环境中。随着海事行业的不断演变，像可调螺旋桨这样的创新将在提升海上旅行的性能和可持续性方面发挥重要作用。理解这种技术的优缺点对于任何参与海事操作的人来说至关重要，因为这可以导致更为明智的关于船舶设计和运营的决策。海洋工程的未来无疑是光明的，像可调螺旋桨这样的技术引领着更高效、更有效的海事实践。