water jet propeller

简明释义

喷水推进器

英英释义

例句

1.The water jet propeller 水喷射推进器 system is easier to maintain compared to traditional propellers.

与传统螺旋桨相比，水喷射推进器 水喷射推进器系统更易于维护。

2.The water jet propeller 水喷射推进器 design provides better maneuverability for the vessel.

这种水喷射推进器 水喷射推进器设计为船只提供了更好的机动性。

3.The boat is equipped with a water jet propeller 水喷射推进器 that allows for high-speed travel in shallow waters.

这艘船配备了一个水喷射推进器 水喷射推进器，可以在浅水中高速航行。

4.Using a water jet propeller 水喷射推进器 reduces the risk of damage to underwater vegetation.

使用水喷射推进器 水喷射推进器可以降低对水下植物的损害风险。

5.Many modern jet skis utilize a water jet propeller 水喷射推进器 for propulsion.

许多现代摩托艇都使用水喷射推进器 水喷射推进器进行推进。

作文

The concept of a water jet propeller is essential in understanding modern marine propulsion systems. A water jet propeller is a device that uses a jet of water to propel a vessel forward. Unlike traditional propellers, which push against the water to create thrust, a water jet propeller draws water in from below and expels it at high speed through a nozzle. This method of propulsion offers several advantages, including increased maneuverability, reduced draft, and improved efficiency. One of the most significant benefits of using a water jet propeller is its ability to operate in shallow waters. Traditional propellers can be susceptible to damage when they strike the bottom or debris in the water. However, a water jet propeller is typically mounted higher on the hull of the vessel, allowing it to navigate in areas where the water depth is minimal. This feature makes water jet propellers particularly popular in recreational boats, ferries, and rescue vessels that often operate in shallow coastal regions or rivers.Moreover, the design of a water jet propeller contributes to enhanced maneuverability. When a vessel equipped with a water jet propeller needs to turn or stop quickly, the operator can adjust the direction of the water jet, allowing for instant response. This agility is crucial in situations where precise navigation is required, such as docking or avoiding obstacles. Additionally, water jet propellers can provide better acceleration compared to traditional propellers, making them ideal for high-speed applications.Efficiency is another critical aspect of water jet propellers. They can achieve higher speeds with less power compared to traditional systems due to their streamlined design and the way they utilize water. The jet of water generated by the water jet propeller creates a powerful thrust while minimizing drag, which is beneficial for both performance and fuel consumption. As a result, many commercial vessels are now incorporating this technology to improve their operational costs.However, there are also some drawbacks to consider when using a water jet propeller. One of the primary concerns is the potential for cavitation, a phenomenon that occurs when the pressure in the water drops, leading to the formation of vapor bubbles. These bubbles can collapse violently, causing damage to the propeller and reducing efficiency. Additionally, water jet propellers may not be as effective in certain conditions, such as rough seas, where traditional propellers might perform better.In conclusion, the water jet propeller represents a significant advancement in marine propulsion technology. Its ability to operate in shallow waters, enhanced maneuverability, and improved efficiency make it an appealing choice for various applications. While there are challenges associated with its use, the benefits often outweigh the drawbacks, especially in environments where traditional propellers may struggle. As technology continues to evolve, we can expect to see even more innovations in the field of water jet propellers, further enhancing their capabilities and applications in the maritime industry.

“水喷射推进器”的概念对于理解现代海洋推进系统至关重要。水喷射推进器是一种利用水流喷射推动船只前进的装置。与传统螺旋桨通过推水产生推力不同，水喷射推进器从下方吸入水并通过喷嘴以高速度排出。这种推进方式具有多个优点，包括提高机动性、减少吃水和改善效率。使用水喷射推进器的一个显著好处是它能够在浅水中操作。传统螺旋桨在撞击底部或水中碎片时容易受损。然而，水喷射推进器通常安装在船体较高的位置，使其能够在水深较小的区域航行。这个特点使得水喷射推进器特别受到休闲船、渡轮和救援船只的欢迎，这些船只经常在浅水沿海地区或河流中操作。此外，水喷射推进器的设计有助于增强机动性。当装备有水喷射推进器的船只需要快速转弯或停车时，操作员可以调整水流的方向，从而实现即时响应。这种灵活性在需要精确导航的情况下至关重要，例如停靠或避开障碍物。此外，水喷射推进器相比传统螺旋桨可以提供更好的加速性能，使其非常适合高速应用。效率是水喷射推进器的另一个关键方面。由于其流线型设计和利用水的方式，它们可以以较少的动力达到更高的速度。因此，许多商业船只现在正在采用这一技术，以改善运营成本。然而，使用水喷射推进器时也有一些缺点需要考虑。主要问题之一是气蚀现象，即水中的压力下降，导致气泡形成。这些气泡会剧烈崩溃，造成推进器损坏并降低效率。此外，在某些条件下，如波涛汹涌的海域，水喷射推进器可能不如传统螺旋桨有效。总之，水喷射推进器代表了海洋推进技术的重要进步。它在浅水中操作的能力、增强的机动性和改善的效率使其成为各种应用的理想选择。虽然使用中存在挑战，但其优势往往超过缺点，尤其是在传统螺旋桨可能挣扎的环境中。随着技术的不断发展，我们可以期待在水喷射推进器领域看到更多创新，进一步增强其在海事行业的能力和应用。