varying pitch propeller

简明释义

变距螺旋桨

英英释义

例句

1.Using a varying pitch propeller allows for better control of the vessel's speed.

使用可变螺距螺旋桨可以更好地控制船只的速度。

2.The ship's engine was designed to work efficiently with a varying pitch propeller.

这艘船的引擎设计为能够高效地与可变螺距螺旋桨配合。

3.A varying pitch propeller can adjust its blade angle to optimize thrust.

一个可变螺距螺旋桨可以调整其叶片角度以优化推力。

4.Many modern submarines utilize a varying pitch propeller for stealth operations.

许多现代潜艇使用可变螺距螺旋桨进行隐蔽行动。

5.The performance of the yacht improved significantly after installing a varying pitch propeller.

在安装了可变螺距螺旋桨后，游艇的性能显著提高。

作文

In the world of aviation and marine engineering, the efficiency and performance of propellers play a crucial role in determining the overall capabilities of an aircraft or a ship. One such innovative design that has gained significant attention is the varying pitch propeller (可变螺距螺旋桨). This advanced technology allows for the adjustment of the blade angle during operation, resulting in enhanced performance across a range of speeds and conditions.The basic principle behind a varying pitch propeller is relatively straightforward. Traditional fixed-pitch propellers have blades set at a single angle, which limits their efficiency to specific operating conditions. In contrast, a varying pitch propeller can change the angle of its blades, allowing it to optimize thrust and reduce drag depending on the current speed and load requirements. This adaptability leads to improved fuel efficiency and better maneuverability, making it a preferred choice for many modern vessels and aircraft.One of the primary benefits of using a varying pitch propeller is its ability to enhance performance in various phases of flight or navigation. For instance, during takeoff, the propeller can be adjusted to provide maximum thrust, enabling quicker ascents. Conversely, during cruising, the pitch can be altered to reduce fuel consumption while maintaining speed. This versatility is particularly advantageous for commercial airlines and cargo ships, where operational efficiency directly impacts profitability.Moreover, the use of a varying pitch propeller contributes to improved safety. By allowing pilots and captains to fine-tune the propeller’s performance, they can respond more effectively to changing conditions, such as turbulence in the air or shifting currents in the water. This capability not only enhances control but also minimizes the risk of engine strain, leading to longer service life for both the propeller and the engine.Additionally, the integration of a varying pitch propeller into a vessel or aircraft system can lead to advancements in automation and control systems. Modern technology allows for real-time adjustments based on data gathered from various sensors, ensuring optimal performance without requiring constant manual input. This level of automation simplifies operations and makes it easier for less experienced operators to manage complex systems.Despite these advantages, there are challenges associated with varying pitch propeller systems. The complexity of the mechanisms involved can lead to increased maintenance requirements and potential points of failure. Engineers must ensure that the pitch-changing mechanism is robust and reliable to prevent malfunctions during critical operations. Furthermore, the initial cost of integrating a varying pitch propeller system can be higher than traditional fixed-pitch alternatives, which may deter some operators from making the switch.In conclusion, the varying pitch propeller (可变螺距螺旋桨) represents a significant advancement in propeller technology, offering numerous benefits in terms of efficiency, performance, and safety. As the demand for more fuel-efficient and versatile aircraft and vessels continues to grow, it is likely that the adoption of varying pitch propeller systems will increase. Understanding and leveraging this technology can lead to improved operational outcomes and a more sustainable future in transportation.

在航空和海洋工程的世界中，螺旋桨的效率和性能在决定飞机或船只的整体能力方面起着至关重要的作用。一个备受关注的创新设计是可变螺距螺旋桨（varying pitch propeller）。这项先进技术允许在运行过程中调整叶片角度，从而在各种速度和条件下提高性能。可变螺距螺旋桨的基本原理相对简单。传统的固定螺距螺旋桨的叶片设定为单一角度，这限制了它们在特定操作条件下的效率。相比之下，可变螺距螺旋桨可以改变其叶片的角度，使其能够根据当前的速度和负载要求优化推力并减少阻力。这种适应性提高了燃油效率，改善了机动性，使其成为许多现代船舶和飞机的首选。使用可变螺距螺旋桨的主要好处之一是它能够在飞行或航行的不同阶段增强性能。例如，在起飞期间，螺旋桨可以调整以提供最大推力，从而实现更快的升空。相反，在巡航期间，可以改变螺距以降低燃油消耗，同时保持速度。这种多功能性对于商业航空公司和货船尤其有利，因为运营效率直接影响盈利能力。此外，使用可变螺距螺旋桨有助于提高安全性。通过允许飞行员和船长微调螺旋桨的性能，他们可以更有效地应对变化的条件，例如空气中的湍流或水中的变化流。这个能力不仅增强了控制能力，还最小化了发动机压力的风险，从而延长了螺旋桨和发动机的使用寿命。此外，将可变螺距螺旋桨集成到船舶或飞机系统中还可以促进自动化和控制系统的进步。现代技术允许根据从各种传感器收集的数据进行实时调整，确保最佳性能，而无需持续的手动输入。这种自动化水平简化了操作，使经验较少的操作员更容易管理复杂的系统。尽管有这些优势，但与可变螺距螺旋桨系统相关的挑战也存在。涉及的机制的复杂性可能导致增加维护要求和潜在故障点。工程师必须确保可变螺距机制的可靠性，以防止在关键操作期间发生故障。此外，集成可变螺距螺旋桨系统的初始成本可能高于传统固定螺距替代品，这可能会阻止一些运营商进行更换。总之，可变螺距螺旋桨（varying pitch propeller）代表了螺旋桨技术的一项重大进步，在效率、性能和安全性方面提供了许多好处。随着对更节能和多功能的飞机和船舶需求的不断增长，采用可变螺距螺旋桨系统的可能性将增加。理解和利用这一技术可以带来更好的运营结果，并为交通运输的可持续未来铺平道路。