controllable pitch propeller

简明释义

可掂螺旋桨

英英释义

例句

1.Using a controllable pitch propeller can improve fuel efficiency by adjusting the blade angle according to speed.

使用可控螺距螺旋桨可以通过根据速度调整叶片角度来提高燃油效率。

2.The ship was equipped with a controllable pitch propeller, allowing for better maneuverability in tight harbors.

这艘船配备了一个可控螺距螺旋桨，使其在狭窄的港口中更容易操控。

3.Engineers tested the controllable pitch propeller in various conditions to ensure optimal performance.

工程师在各种条件下测试了可控螺距螺旋桨以确保最佳性能。

4.The fishing boat's controllable pitch propeller allowed it to quickly change direction while chasing schools of fish.

这艘渔船的可控螺距螺旋桨使其在追逐鱼群时能够迅速改变方向。

5.The yacht's controllable pitch propeller provided smooth operation, enhancing the overall cruising experience.

游艇的可控螺距螺旋桨提供了平稳的操作，提升了整体航行体验。

作文

The field of marine engineering has seen numerous advancements over the years, one of which is the development of the controllable pitch propeller. This innovative technology allows for greater efficiency and maneuverability in vessels, making it a crucial component in modern maritime operations. A controllable pitch propeller (可调螺距螺旋桨) enables the blades to be adjusted while the propeller is in motion, thus changing the angle of attack relative to the water flow. This adjustment can lead to optimized thrust and improved fuel efficiency, which are essential for both commercial and military ships.In traditional fixed-pitch propellers, the blades are set at a specific angle, limiting the vessel's performance in varying conditions. For instance, a ship may struggle to maintain speed during rough seas or when heavily loaded. However, with a controllable pitch propeller, operators can alter the blade pitch according to the operational requirements, providing better control over the vessel’s speed and direction.The ability to change the pitch also enhances the vessel's stopping power. Ships equipped with a controllable pitch propeller can reverse the pitch of the blades to create immediate thrust in the opposite direction. This feature is particularly advantageous in situations that require quick maneuvering, such as docking or avoiding obstacles. As a result, safety and operational effectiveness are significantly improved.Moreover, the use of a controllable pitch propeller can lead to substantial economic benefits. The efficiency gained from optimizing the propeller's performance can reduce fuel consumption, which is a major cost for shipping companies. In an era where environmental concerns are paramount, the reduced carbon footprint associated with lower fuel usage is an added advantage. This aligns with global efforts to promote sustainable practices within the maritime industry.In addition to commercial applications, controllable pitch propellers are also used in naval vessels where agility and precision are critical. Military ships often operate under dynamic conditions, requiring rapid adjustments to their propulsion systems. The versatility offered by a controllable pitch propeller provides these vessels with a tactical edge, allowing them to respond swiftly to changing scenarios.However, the implementation of controllable pitch propellers does come with its challenges. The complexity of the mechanism requires careful maintenance and skilled personnel to operate effectively. Additionally, the initial costs for installation can be higher compared to traditional systems. Nevertheless, the long-term benefits often outweigh these drawbacks, making it a worthy investment for many operators.In conclusion, the controllable pitch propeller (可调螺距螺旋桨) represents a significant advancement in marine technology. Its ability to enhance efficiency, improve maneuverability, and provide economic benefits makes it an invaluable asset in the maritime industry. As technology continues to evolve, we can expect further innovations in propeller design, but the controllable pitch propeller will likely remain a cornerstone of modern propulsion systems. The ongoing research and development in this area will undoubtedly lead to even more sophisticated solutions, ensuring that vessels can operate safely and efficiently in increasingly challenging environments.