fully wetted propeller

简明释义

全浸水螺旋桨

英英释义

例句

1.To achieve optimal speed, the vessel must operate with a fully wetted propeller at all times.

为了达到最佳速度，船只必须始终使用完全浸水的螺旋桨。

2.The engineer explained that a fully wetted propeller maximizes the interaction with the water, leading to improved performance.

工程师解释说，完全浸水的螺旋桨最大化了与水的相互作用，从而提高了性能。

3.In rough waters, maintaining a fully wetted propeller ensures better thrust and control.

在波涛汹涌的水域中，保持完全浸水的螺旋桨可以确保更好的推力和控制。

4.The captain noted that the fully wetted propeller was crucial for navigating through narrow channels.

船长指出，完全浸水的螺旋桨对于在狭窄水道中航行至关重要。

5.The efficiency of the boat increased significantly when the design was adjusted to allow for a fully wetted propeller.

当设计调整以允许完全浸水的螺旋桨时，船只的效率显著提高。

作文

In the world of marine engineering, the term fully wetted propeller refers to a propeller that is completely submerged in water during its operation. This concept is crucial for understanding how propellers function efficiently and effectively in various aquatic environments. A fully wetted propeller operates at its optimal performance level when it is entirely surrounded by water, which allows it to generate maximum thrust and minimize cavitation. Cavitation occurs when vapor bubbles form in low-pressure areas of the propeller, leading to a loss of efficiency and potential damage to the propeller blades. Therefore, ensuring that a propeller remains fully wetted is a key consideration for engineers and designers in the maritime industry.When designing vessels, engineers must take into account the size and shape of the hull, as well as the propeller's position relative to the waterline. A propeller that is not fully wetted may experience intermittent exposure to air, which can disrupt its performance. For example, if a vessel is operating at high speeds or in rough seas, the hull may rise out of the water, causing the propeller to become partially exposed. This situation can lead to a decrease in propulsion efficiency and an increase in fuel consumption.To achieve a fully wetted propeller, naval architects often employ various design strategies. One common approach is to ensure that the propeller is positioned deep enough in the water to avoid any interference from surface waves or hull movements. Additionally, the use of larger diameter propellers can help maintain a fully wetted condition by allowing for greater thrust generation without excessive cavitation.Moreover, the materials used in the construction of propellers also play a significant role in their performance. Modern propellers are often made from advanced alloys and composites that can withstand the harsh marine environment while maintaining their structural integrity. These materials can enhance the durability and efficiency of a fully wetted propeller, ensuring that it operates smoothly over extended periods.The importance of a fully wetted propeller extends beyond just performance; it also has implications for environmental sustainability. Efficient propeller operation reduces fuel consumption, which in turn lowers greenhouse gas emissions. As the maritime industry faces increasing scrutiny over its environmental impact, optimizing propeller design to maintain a fully wetted condition is becoming more critical than ever.In conclusion, the concept of a fully wetted propeller is fundamental to the field of marine engineering. It encompasses various factors ranging from design and positioning to materials and environmental considerations. By ensuring that propellers remain fully wetted, engineers can maximize efficiency, reduce operational costs, and contribute to a more sustainable maritime industry. As technology continues to advance, the understanding and application of this concept will be vital for future innovations in marine propulsion systems.

在海洋工程领域，术语完全浸水的螺旋桨指的是在操作过程中完全沉浸在水中的螺旋桨。这个概念对于理解螺旋桨在各种水域环境中如何高效而有效地运作至关重要。当螺旋桨完全被水包围时，它以最佳性能水平运行，从而产生最大推力并最小化气蚀现象。气蚀发生在螺旋桨的低压区域形成蒸汽气泡，导致效率损失和对螺旋桨叶片的潜在损害。因此，确保螺旋桨保持完全浸水是海事行业工程师和设计师需要考虑的关键因素。在设计船舶时，工程师必须考虑船体的大小和形状，以及螺旋桨相对于水线的位置。一个不完全浸水的螺旋桨可能会经历间歇性暴露于空气中，这会干扰其性能。例如，如果一艘船以高速或在恶劣海况下运行，船体可能会升出水面，导致螺旋桨部分暴露。这种情况可能导致推进效率下降和燃料消耗增加。为了实现完全浸水的螺旋桨，海军建筑师通常采用各种设计策略。一种常见的方法是确保螺旋桨的位置足够深，以避免受到表面波浪或船体运动的干扰。此外，使用更大直径的螺旋桨可以通过允许更大的推力生成而帮助维持完全浸水状态，而不会过度气蚀。此外，螺旋桨的材料在其性能中也起着重要作用。现代螺旋桨通常由先进的合金和复合材料制成，这些材料能够承受恶劣的海洋环境，同时保持其结构完整性。这些材料可以提高完全浸水的螺旋桨的耐用性和效率，确保其在较长时间内平稳运行。完全浸水的螺旋桨的重要性不仅仅体现在性能上；它还对环境可持续性产生影响。高效的螺旋桨操作减少了燃料消耗，从而降低温室气体排放。随着海事行业面临越来越多的环境影响审查，优化螺旋桨设计以保持完全浸水状态变得比以往任何时候都更加重要。总之，完全浸水的螺旋桨的概念是海洋工程领域的基础。它涵盖了从设计和定位到材料和环境考量的各种因素。通过确保螺旋桨保持完全浸水，工程师可以最大限度地提高效率，降低运营成本，并为更可持续的海事行业做出贡献。随着技术的不断进步，理解和应用这一概念将对未来海洋推进系统的创新至关重要。