ship propeller
简明释义
船用螺旋桨
英英释义
A ship propeller is a mechanical device with blades that rotates to create thrust, enabling a ship to move through water. | 船舶螺旋桨是一种具有叶片的机械装置,通过旋转产生推力,使船舶能够在水中移动。 |
例句
1.A well-maintained ship propeller 船舶螺旋桨 can improve a vessel's performance.
维护良好的船舶螺旋桨 船舶螺旋桨可以提高船只的性能。
2.The ship propeller 船舶螺旋桨 design has evolved significantly over the years.
随着时间的推移,船舶螺旋桨 船舶螺旋桨的设计已经发生了显著变化。
3.The noise generated by the ship propeller 船舶螺旋桨 can disturb marine life.
由船舶螺旋桨 船舶螺旋桨产生的噪音可能会干扰海洋生物。
4.We need to inspect the ship propeller 船舶螺旋桨 for any signs of damage after the voyage.
航行后,我们需要检查船舶螺旋桨 船舶螺旋桨是否有任何损坏迹象。
5.The efficiency of the ship propeller 船舶螺旋桨 directly affects fuel consumption.
船舶的船舶螺旋桨 船舶螺旋桨效率直接影响燃油消耗。
作文
The maritime industry is a cornerstone of global trade, and at the heart of this industry lies the essential component known as the ship propeller. A ship propeller is a mechanical device that converts rotational energy from the engine into thrust, allowing vessels to navigate through water. Understanding the design and function of a ship propeller is crucial for anyone involved in naval architecture or marine engineering. The basic principle behind a ship propeller involves the generation of lift through the rotation of blades. When the propeller spins, it creates a difference in pressure on either side of the blades, which results in forward motion. This mechanism is similar to how an airplane wing generates lift, but in the case of a ship propeller, the focus is on propulsion rather than lift. Different types of ship propellers exist, each designed for specific applications and vessel types. For instance, a fixed-pitch propeller maintains a constant blade angle, making it simple and cost-effective. However, variable-pitch propellers allow for adjustments in the blade angle, optimizing performance in varying conditions. This adaptability can be particularly beneficial for larger vessels that need to navigate diverse marine environments. Moreover, the efficiency of a ship propeller directly impacts fuel consumption and overall operational costs. Engineers must carefully consider factors such as the number of blades, blade shape, and materials used to construct the propeller. Modern advancements in technology have led to the development of more efficient designs, which can significantly reduce a ship's carbon footprint. In addition to efficiency, durability is another critical aspect of ship propellers. Given their exposure to harsh marine environments, propellers must withstand corrosion, cavitation, and impact from debris. The use of advanced materials and coatings has become increasingly common to enhance longevity and performance. Furthermore, maintenance of a ship propeller is vital for ensuring the safety and reliability of maritime operations. Regular inspections can help identify wear and tear, allowing for timely repairs or replacements. Neglecting the condition of a propeller can lead to decreased performance and, in severe cases, catastrophic failures. In conclusion, the ship propeller plays an indispensable role in the functionality of maritime vessels. Its design, efficiency, and maintenance are pivotal aspects that influence not only the performance of individual ships but also the broader maritime industry. As global trade continues to expand, the importance of innovative and sustainable ship propeller technologies will only grow, paving the way for more efficient and environmentally friendly shipping practices.
海洋产业是全球贸易的基石,而在这个行业的核心,存在着一个被称为船舶螺旋桨的基本组成部分。船舶螺旋桨是一种机械装置,将发动机的旋转能量转化为推力,使船只能够在水中航行。理解和掌握船舶螺旋桨的设计和功能对于任何参与船舶设计或海洋工程的人来说都是至关重要的。船舶螺旋桨的基本原理涉及通过叶片的旋转产生升力。当螺旋桨旋转时,它在叶片的两侧产生压力差,从而导致前进。这一机制与飞机机翼产生升力的方式相似,但在船舶螺旋桨的情况下,重点是推进而非升力。不同类型的船舶螺旋桨存在,每种都针对特定的应用和船舶类型进行设计。例如,固定螺距螺旋桨保持恒定的叶片角度,简单且经济实惠。然而,可变螺距螺旋桨允许调整叶片角度,在不同条件下优化性能。这种适应性对于需要在多样化海洋环境中航行的大型船舶尤其有利。此外,船舶螺旋桨的效率直接影响燃料消耗和整体运营成本。工程师必须仔细考虑诸如叶片数量、叶片形状和制造螺旋桨所用材料等因素。现代技术的进步导致了更高效设计的发展,这可以显著减少船舶的碳足迹。除了效率,耐用性也是船舶螺旋桨的另一个关键方面。鉴于它们暴露在恶劣的海洋环境中,螺旋桨必须能够抵御腐蚀、气蚀和来自碎片的冲击。使用先进材料和涂层已变得越来越普遍,以增强其寿命和性能。此外,维护船舶螺旋桨对于确保海洋操作的安全性和可靠性至关重要。定期检查可以帮助识别磨损情况,从而及时进行维修或更换。忽视螺旋桨的状态可能导致性能下降,甚至在严重情况下导致灾难性故障。总之,船舶螺旋桨在海洋船舶的功能中扮演着不可或缺的角色。它的设计、效率和维护是影响单个船舶性能以及更广泛的海洋产业的关键方面。随着全球贸易的持续扩展,创新和可持续的船舶螺旋桨技术的重要性将愈发增加,为更高效和环保的航运实践铺平道路。
相关单词