controllable pitch propeller

简明释义

可调螺距螺旋桨

英英释义

例句

1.Using a controllable pitch propeller allows for better fuel efficiency during cruising.

使用可控螺距螺旋桨可以在巡航时提高燃油效率。

2.The ship's maneuverability improved significantly after the installation of a new controllable pitch propeller.

在安装了新的可控螺距螺旋桨后，这艘船的机动性显著提高。

3.Our research showed that ships equipped with a controllable pitch propeller have lower operational costs.

我们的研究表明，配备了可控螺距螺旋桨的船只具有更低的运营成本。

4.The controllable pitch propeller is essential for precise speed control in marine vessels.

在海洋船只中，可控螺距螺旋桨对于精确控制速度至关重要。

5.The captain adjusted the angle of the controllable pitch propeller to optimize performance during the storm.

船长调整了可控螺距螺旋桨的角度，以在暴风雨中优化性能。

作文

In the world of marine engineering, the term controllable pitch propeller refers to a type of propeller that allows for the adjustment of the blade angle while the propeller is in operation. This innovation has revolutionized how vessels maneuver and operate in various marine conditions. The ability to change the pitch of the blades means that the thrust can be optimized for different speeds and conditions, making it an essential feature for many modern ships and boats.The primary advantage of a controllable pitch propeller lies in its versatility. Traditional fixed-pitch propellers have a set angle that cannot be changed once installed. This limitation can lead to inefficiencies, especially when a vessel needs to operate at varying speeds or in different sea states. For example, when a ship is starting from rest, a low pitch angle provides maximum thrust. Conversely, at higher speeds, a higher pitch angle is more efficient, allowing the vessel to cut through the water with less resistance.Another significant benefit of using a controllable pitch propeller is enhanced maneuverability. Ships equipped with this type of propeller can reverse direction quickly or maintain position in challenging conditions, such as strong currents or winds. This capability is particularly valuable for tugboats, ferries, and other vessels that require precise handling.Moreover, the use of controllable pitch propellers can lead to fuel savings. By optimizing the blade angle for specific operational conditions, vessels can reduce their fuel consumption significantly. This not only lowers operational costs but also minimizes the environmental impact of shipping activities, which is increasingly important in today’s eco-conscious world.The technology behind controllable pitch propellers involves sophisticated hydraulic systems that allow for real-time adjustments to the blade angle. These systems are controlled from the bridge of the ship, providing the captain with immediate feedback and control over the vessel's performance. The integration of electronic controls has further enhanced the responsiveness and precision of these systems, allowing for smoother operations and improved safety.Despite their advantages, controllable pitch propellers do come with some challenges. The complexity of the hydraulic systems requires regular maintenance to ensure reliability. Additionally, the initial cost of installation can be higher compared to traditional propellers. However, many shipowners find that the long-term benefits, including increased efficiency and reduced fuel costs, outweigh these initial investments.In conclusion, the controllable pitch propeller represents a significant advancement in marine propulsion technology. Its ability to adjust blade angles on-the-fly enhances efficiency, maneuverability, and fuel economy, making it a preferred choice for many modern vessels. As the maritime industry continues to evolve, the importance of innovations like the controllable pitch propeller will only grow, leading to safer and more efficient shipping practices in the future.

在海洋工程的世界中，术语可控螺距螺旋桨指的是一种可以在操作过程中调整桨叶角度的螺旋桨。这项创新彻底改变了船只在各种海洋条件下的机动性和操作方式。改变桨叶的螺距意味着可以根据不同的速度和条件优化推力，这使其成为许多现代船舶和小艇的基本特征。可控螺距螺旋桨的主要优点在于其多功能性。传统的固定螺距螺旋桨在安装后无法更改角度。这一限制可能导致效率低下，特别是在船只需要以不同速度或在不同海况下操作时。例如，当船只从静止状态起步时，较低的螺距角提供最大推力。相反，在较高速度下，较高的螺距角更为高效，使船只能够以更少的阻力切割水面。使用可控螺距螺旋桨的另一个显著好处是增强了机动性。配备这种类型螺旋桨的船只可以快速改变方向或在强流或风等挑战性条件下保持位置。这种能力对于拖轮、渡轮和其他需要精确操控的船只尤为重要。此外，使用可控螺距螺旋桨可以节省燃料。通过根据具体操作条件优化桨叶角度，船只可以显著减少燃料消耗。这不仅降低了运营成本，还最小化了航运活动对环境的影响，这在当今越来越注重生态的世界中显得尤为重要。可控螺距螺旋桨的技术涉及复杂的液压系统，这些系统允许实时调整桨叶角度。这些系统由船桥控制，为船长提供了对船只性能的即时反馈和控制。电子控制的集成进一步增强了这些系统的响应速度和精确度，使操作更加平稳，提高了安全性。尽管有其优点，可控螺距螺旋桨也面临一些挑战。液压系统的复杂性需要定期维护以确保可靠性。此外，与传统螺旋桨相比，初始安装成本可能更高。然而，许多船东发现，长期的好处，包括提高效率和降低燃料成本，超过了这些初始投资。总之，可控螺距螺旋桨代表了海洋推进技术的重要进步。其能够实时调整桨叶角度的能力提高了效率、机动性和燃油经济性，使其成为许多现代船舶的首选。随着航运业的不断发展，像可控螺距螺旋桨这样的创新的重要性只会增加，从而在未来促进更安全、更高效的航运实践。