ship propeller

简明释义

船用推进器

英英释义

例句

1.A damaged ship propeller can significantly reduce a vessel's efficiency.

损坏的船舶螺旋桨会显著降低船只的效率。

2.The ship propeller's design is crucial for optimizing fuel consumption.

设计船舶螺旋桨对优化燃油消耗至关重要。

3.During the dry docking, the team replaced the old ship propeller with a new one.

在干船坞期间，团队将旧的船舶螺旋桨更换为新的。

4.He noticed unusual vibrations coming from the ship propeller while sailing.

他在航行时注意到来自船舶螺旋桨的异常振动。

5.The engineer inspected the ship propeller for any signs of wear and tear.

工程师检查了船舶螺旋桨是否有磨损的迹象。

作文

The importance of a ship propeller cannot be overstated when it comes to maritime navigation and vessel performance. A ship propeller is a crucial component that converts rotational energy from the engine into thrust, enabling the vessel to move through water. Understanding how a ship propeller works can enhance our appreciation for engineering and design in the maritime industry.A ship propeller typically consists of blades that are attached to a hub. These blades are designed to create lift, similar to an airplane wing. When the engine spins the ship propeller, water flows over the blades, generating thrust that propels the ship forward. The efficiency of a ship propeller greatly influences the speed and fuel consumption of the vessel. Therefore, selecting the right type of ship propeller is vital for optimizing performance.There are various types of ship propellers, including fixed-pitch, controllable-pitch, and ducted propellers. Fixed-pitch propellers have blades set at a specific angle, making them simple and reliable but less efficient under varying loads. On the other hand, controllable-pitch propellers allow for adjustments in blade angle, providing greater flexibility and efficiency. Ducted propellers, which are enclosed in a shroud, can improve thrust and maneuverability, especially in smaller vessels.The design and material of a ship propeller also play significant roles in its performance. Most propellers are made from materials such as bronze, stainless steel, or composite materials, each offering different advantages in terms of strength, weight, and resistance to corrosion. Advances in technology have led to the development of more efficient and durable ship propellers, which contribute to reduced emissions and improved sustainability in shipping operations.Additionally, the maintenance of a ship propeller is essential for ensuring its longevity and effectiveness. Regular inspections can help identify issues such as cavitation, where vapor bubbles form and collapse on the propeller surface, causing damage over time. Proper maintenance not only extends the life of the ship propeller but also ensures safe and efficient operation of the vessel.In conclusion, the ship propeller is a fundamental element of marine engineering that significantly impacts a ship's performance and efficiency. Understanding its function, types, and maintenance can lead to better decision-making in vessel design and operation. As the maritime industry continues to evolve, innovations in ship propeller technology will play a pivotal role in enhancing sustainability and efficiency in shipping, ultimately benefiting the global economy and environment.In summary, a ship propeller (船舶螺旋桨) is an essential component that enables ships to navigate through water by converting engine power into thrust. Its design, material, and maintenance are crucial for optimal performance and efficiency, making it a key focus in maritime engineering.

船舶螺旋桨的重要性在于其在海上导航和船舶性能中的不可或缺。船舶螺旋桨是一个关键组件，将发动机的旋转能量转换为推力，使船只能够在水中移动。理解船舶螺旋桨的工作原理可以增强我们对海事行业工程设计的欣赏。船舶螺旋桨通常由连接到中心轴的叶片组成。这些叶片的设计类似于飞机机翼，旨在产生升力。当发动机旋转船舶螺旋桨时，水流过叶片，产生推动船只向前的推力。船舶螺旋桨的效率极大地影响着船舶的速度和燃料消耗。因此，选择合适类型的船舶螺旋桨对于优化性能至关重要。有多种类型的船舶螺旋桨，包括固定螺距、可控螺距和导管螺旋桨。固定螺距螺旋桨的叶片设置在特定角度，使其简单可靠，但在不同负荷下效率较低。另一方面，可控螺距螺旋桨允许调整叶片角度，提供更大的灵活性和效率。导管螺旋桨被包裹在护罩中，可以提高推力和机动性，特别是在较小的船只中。船舶螺旋桨的设计和材料也在其性能中起着重要作用。大多数螺旋桨由青铜、不锈钢或复合材料制成，每种材料在强度、重量和耐腐蚀性方面都有不同的优点。技术的进步导致了更高效、更耐用的船舶螺旋桨的发展，有助于减少排放并改善航运操作的可持续性。此外，维护船舶螺旋桨对于确保其长期有效性至关重要。定期检查可以帮助识别诸如气蚀等问题，即蒸汽气泡在螺旋桨表面形成并崩溃，随着时间的推移造成损害。适当的维护不仅延长了船舶螺旋桨的使用寿命，还确保了船舶的安全高效运行。总之，船舶螺旋桨是海洋工程的基本元素，对船舶的性能和效率有显著影响。了解其功能、类型和维护可以在船舶设计和操作中做出更好的决策。随着海事行业的不断发展，船舶螺旋桨技术的创新将在提升航运的可持续性和效率方面发挥关键作用，最终造福全球经济和环境。总之，船舶螺旋桨（船舶螺旋桨）是一个基本组件，通过将发动机功率转化为推力使船只能够在水中航行。其设计、材料和维护对于最佳性能和效率至关重要，使其成为海事工程的关键焦点。