screw propeller

简明释义

螺旋桨

英英释义

例句

1.A damaged screw propeller (螺旋桨) can significantly reduce a vessel's speed and maneuverability.

受损的screw propeller (螺旋桨) 会显著降低船只的速度和机动性。

2.Many modern submarines use a screw propeller (螺旋桨) to minimize noise and increase stealth.

许多现代潜艇使用n>screw propeller (螺旋桨) 来最小化噪音并增加隐蔽性。

3.The engineering team tested different designs of the screw propeller (螺旋桨) to optimize performance.

工程团队测试了不同设计的screw propeller (螺旋桨) 以优化性能。

4.The ship's engine was designed to efficiently drive a screw propeller (螺旋桨) for better fuel economy.

这艘船的发动机设计用于高效驱动screw propeller (螺旋桨)，以提高燃油经济性。

5.The screw propeller (螺旋桨) is often made from durable materials to withstand harsh marine environments.

为了抵御恶劣的海洋环境，screw propeller (螺旋桨) 通常由耐用材料制成。

作文

The evolution of marine technology has been significantly influenced by the development of the screw propeller (螺旋桨). This device, which converts rotational motion into thrust, has played a crucial role in enhancing the efficiency and speed of ships since its inception in the early 19th century. Before the advent of the screw propeller (螺旋桨), ships primarily relied on sails or paddle wheels for propulsion. While these methods were effective to some extent, they had limitations in terms of speed, maneuverability, and reliability. The introduction of the screw propeller (螺旋桨) marked a turning point in naval engineering, allowing vessels to travel faster and more efficiently through water.The basic principle behind the screw propeller (螺旋桨) is relatively simple. It consists of a revolving blade that creates a pressure difference between the front and back of the blade as it rotates. This difference generates thrust, pushing the ship forward. The design of the screw propeller (螺旋桨) has evolved over the years, with advancements in materials and engineering leading to more efficient and durable designs. Modern propellers can have multiple blades and varying shapes to optimize performance under different conditions.One of the significant advantages of the screw propeller (螺旋桨) is its ability to operate efficiently at various speeds. Unlike traditional paddle wheels, which lose efficiency at higher speeds, the screw propeller (螺旋桨) maintains consistent performance, making it ideal for both commercial shipping and naval applications. This versatility has made it a standard choice for modern vessels, from luxury yachts to massive container ships.Furthermore, the screw propeller (螺旋桨) also contributes to better fuel efficiency. With rising fuel costs and environmental concerns, the maritime industry is continually seeking ways to reduce consumption and emissions. The streamlined design of the screw propeller (螺旋桨) minimizes drag, allowing ships to achieve greater speeds with less power. This not only saves money but also reduces the carbon footprint of maritime operations.However, the use of screw propellers (螺旋桨) is not without its challenges. Cavitation, a phenomenon where vapor bubbles form in low-pressure areas of the propeller, can lead to significant damage and reduced efficiency. Engineers are constantly working to mitigate these effects through advanced design techniques and materials. Additionally, the maintenance of screw propellers (螺旋桨) is essential to ensure optimal performance. Regular inspections and repairs are necessary to prevent wear and tear, especially in harsh marine environments.In conclusion, the screw propeller (螺旋桨) has revolutionized marine propulsion, offering numerous benefits in terms of speed, efficiency, and fuel consumption. As technology continues to advance, we can expect further innovations in screw propeller (螺旋桨) design and application, ensuring that this vital component of maritime engineering remains at the forefront of the industry. Understanding the mechanics and significance of the screw propeller (螺旋桨) is essential for anyone interested in maritime technology and its future developments.

海洋技术的发展受到了螺旋桨（screw propeller）的重大影响。这种装置将旋转运动转化为推力，自19世纪初问世以来，在提高船舶的效率和速度方面发挥了至关重要的作用。在螺旋桨（screw propeller）出现之前，船只主要依靠帆或桨轮推进。虽然这些方法在某种程度上有效，但在速度、机动性和可靠性方面都有局限性。螺旋桨（screw propeller）的出现标志着海军工程的一个转折点，使船只能够更快、更高效地穿行于水中。螺旋桨（screw propeller）的基本原理相对简单。它由一个旋转的叶片组成，当叶片旋转时，会在叶片的前后产生压力差。这种差异产生了推力，推动船只向前行进。随着材料和工程学的进步，螺旋桨（screw propeller）的设计多年来不断演变，导致更高效和耐用的设计。现代螺旋桨（screw propeller）可以有多个叶片和不同的形状，以优化在不同条件下的性能。螺旋桨（screw propeller）的一个显著优势是它能够在各种速度下高效运行。与传统的桨轮不同，后者在高速时效率降低，螺旋桨（screw propeller）保持一致的性能，使其成为商业航运和海军应用的理想选择。这种多功能性使其成为现代船只的标准选择，从豪华游艇到巨型集装箱船。此外，螺旋桨（screw propeller）也有助于提高燃油效率。随着燃料成本的上升和环境问题的关注，海事行业不断寻求减少消耗和排放的方法。螺旋桨（screw propeller）的流线型设计最小化了阻力，使船只能够以更少的动力实现更高的速度。这不仅节省了资金，还减少了海事操作的碳足迹。然而，使用螺旋桨（screw propeller）也并非没有挑战。气蚀是一种现象，气泡在螺旋桨的低压区域形成，可能导致重大损坏和效率降低。工程师们不断努力通过先进的设计技术和材料来减轻这些影响。此外，螺旋桨（screw propeller）的维护对于确保最佳性能至关重要。定期检查和修理是必要的，以防止磨损，尤其是在恶劣的海洋环境中。总之，螺旋桨（screw propeller）彻底改变了海洋推进，提供了速度、效率和燃料消耗方面的诸多好处。随着技术的不断进步，我们可以期待螺旋桨（screw propeller）设计和应用的进一步创新，确保这一海事工程的重要组成部分在行业前沿保持领先地位。理解螺旋桨（screw propeller）的机制和重要性，对于任何对海洋技术及其未来发展感兴趣的人来说都是至关重要的。