propeller stern-tunnel

简明释义

螺旋桨轴隧

英英释义

例句

1.Engineers studied the propeller stern-tunnel configuration for optimal performance.

工程师研究了推进器尾管的配置以获得最佳性能。

2.The ship's design includes a propeller stern-tunnel to enhance maneuverability.

这艘船的设计包括一个推进器尾管以增强机动性。

3.A well-designed propeller stern-tunnel can significantly improve fuel efficiency.

设计良好的推进器尾管可以显著提高燃油效率。

4.The propeller stern-tunnel helps reduce cavitation during high-speed operations.

在高速操作中，推进器尾管有助于减少气蚀。

5.During the maintenance check, we examined the propeller stern-tunnel for any signs of wear.

在维护检查期间，我们检查了推进器尾管是否有磨损的迹象。

作文

The maritime industry has evolved significantly over the years, with advancements in technology leading to more efficient and powerful vessels. One of the critical components that contribute to a ship's performance is its propulsion system. Among the various types of propulsion systems, the propeller stern-tunnel plays a vital role in enhancing maneuverability and efficiency. In this essay, we will explore what a propeller stern-tunnel is, its advantages, and its applications in modern shipping.A propeller stern-tunnel refers to a specific design feature found at the rear section of a ship, where the propeller is housed within a tunnel-like structure. This design allows for the propeller to operate in a more controlled environment, which can lead to improved thrust and reduced cavitation. Cavitation occurs when the pressure around the propeller drops below the vapor pressure of the water, causing bubbles to form and collapse, which can damage the propeller and reduce efficiency. By enclosing the propeller within a tunnel, the propeller stern-tunnel minimizes the likelihood of cavitation, allowing the vessel to maintain optimal performance even at lower speeds.One of the primary advantages of using a propeller stern-tunnel is enhanced maneuverability. Vessels equipped with this design can achieve better control during docking and undocking maneuvers, which is crucial in crowded ports or narrow waterways. The tunnel structure helps direct the flow of water towards the propeller, providing a more effective thrust vector and enabling the ship to turn more sharply. This characteristic is particularly beneficial for tugboats and other vessels that require precise handling capabilities.Furthermore, the propeller stern-tunnel can contribute to overall fuel efficiency. By optimizing the flow of water around the propeller, ships can operate at lower engine speeds while still achieving the necessary thrust. This reduction in engine speed not only conserves fuel but also decreases emissions, making it an environmentally friendly option for modern shipping practices. As the world increasingly focuses on sustainability, the adoption of technologies like the propeller stern-tunnel becomes essential in minimizing the ecological impact of maritime operations.In addition to its benefits in maneuverability and efficiency, the propeller stern-tunnel design can also enhance safety. With a more controlled flow of water around the propeller, there is a reduced risk of accidents caused by sudden changes in thrust or loss of control. This aspect is particularly important for vessels operating in challenging conditions, such as heavy seas or congested shipping lanes.In conclusion, the propeller stern-tunnel is an innovative design feature that significantly enhances the performance of modern vessels. By providing better control, improving fuel efficiency, and increasing safety, the propeller stern-tunnel has become an integral part of contemporary marine engineering. As the industry continues to evolve, we can expect to see further advancements in propulsion technology, with the propeller stern-tunnel leading the way towards more efficient and sustainable shipping solutions.

海洋工业多年来经历了显著的发展，技术的进步使船舶变得更加高效和强大。在船舶性能中，推进系统是一个关键组件。在各种类型的推进系统中，propeller stern-tunnel（螺旋桨尾部隧道）在提高机动性和效率方面发挥着重要作用。在本文中，我们将探讨什么是propeller stern-tunnel，它的优点以及在现代航运中的应用。propeller stern-tunnel指的是船舶后部的特定设计特征，其中螺旋桨被安置在一个隧道状的结构内。这种设计使螺旋桨能够在更受控制的环境中运行，从而提高推力并减少气蚀。气蚀发生在螺旋桨周围的压力低于水的蒸汽压力时，导致气泡形成并崩溃，这可能会损坏螺旋桨并降低效率。通过将螺旋桨封闭在隧道内，propeller stern-tunnel最大限度地减少了气蚀的可能性，使船舶即使在较低速度下也能保持最佳性能。使用propeller stern-tunnel的主要优点之一是增强了机动性。配备这种设计的船舶在靠泊和离港操作时可以实现更好的控制，这在拥挤的港口或狭窄的水道中至关重要。隧道结构有助于将水流引导到螺旋桨上，提供更有效的推力向量，使船舶能够更灵活地转弯。这一特性对于需要精确操控能力的拖船等船舶尤其有利。此外，propeller stern-tunnel还可以提高整体燃油效率。通过优化水流绕过螺旋桨，船舶可以在较低的发动机转速下运行，同时仍能获得所需的推力。这种发动机转速的降低不仅节省了燃料，还减少了排放，使其成为现代航运实践中的环保选择。随着世界越来越关注可持续性，采纳像propeller stern-tunnel这样的技术在减少海事运营的生态影响方面变得至关重要。除了在机动性和效率方面的好处外，propeller stern-tunnel设计还可以增强安全性。由于水流对螺旋桨的更好控制，突发推力变化或失去控制的事故风险降低。这一点在船舶在恶劣条件下操作时尤为重要，例如在大浪或拥挤的航道中。总之，propeller stern-tunnel是一种创新的设计特征，显著提高了现代船舶的性能。通过提供更好的控制、改善燃油效率和提高安全性，propeller stern-tunnel已成为当代海洋工程的重要组成部分。随着行业的不断发展，我们可以期待在推进技术方面进一步的进步，propeller stern-tunnel将引领通往更高效和可持续的航运解决方案。