fully cavitating propeller

简明释义

全空泡螺旋桨

英英释义

例句

1.Using a fully cavitating propeller can significantly reduce drag in underwater vehicles.

使用完全气蚀螺旋桨可以显著减少水下车辆的阻力。

2.The design of the fully cavitating propeller allows for increased efficiency at various speeds.

该完全气蚀螺旋桨的设计允许在不同速度下提高效率。

3.Engineers are developing a new type of fully cavitating propeller that minimizes noise pollution.

工程师们正在开发一种新型的完全气蚀螺旋桨，以最小化噪音污染。

4.The research team conducted tests on a fully cavitating propeller to analyze its performance in high-speed conditions.

研究团队对一个完全气蚀螺旋桨进行了测试，以分析其在高速条件下的性能。

5.The fully cavitating propeller proved to be effective in reducing fuel consumption during trials.

在试验中，完全气蚀螺旋桨被证明在减少燃料消耗方面有效。

作文

In the field of marine engineering, the design and performance of propellers are crucial for the efficiency of vessels. One interesting phenomenon that occurs in propeller operation is cavitation. When a propeller operates under certain conditions, it can create low-pressure regions that lead to the formation of vapor bubbles in the water. These bubbles collapse violently, which can cause damage to the propeller and reduce its efficiency. A specific type of propeller that experiences this phenomenon is known as a fully cavitating propeller (完全气蚀螺旋桨). Understanding how these propellers function and their implications for marine vehicles is essential for engineers and designers.A fully cavitating propeller is designed to operate at high speeds and under conditions where the pressure around the blades drops significantly. This drop in pressure allows vapor bubbles to form on the surface of the blades. Unlike regular propellers that may experience partial cavitation, a fully cavitating propeller operates in a state where the entire blade surface is covered with these vapor bubbles during operation. This can provide some advantages, such as reduced drag and increased thrust under certain circumstances.However, the benefits of using a fully cavitating propeller come with challenges. The violent collapse of the vapor bubbles can lead to pitting and erosion on the propeller blades, ultimately reducing their lifespan and requiring more frequent maintenance. Therefore, while these propellers can enhance performance, they also necessitate careful design considerations to mitigate potential damage.One of the primary applications of fully cavitating propellers is in high-speed naval vessels and specialized crafts, such as hydrofoils and torpedoes. These vessels benefit from the increased thrust that cavitation can provide, allowing them to achieve higher speeds and better maneuverability. Engineers must carefully analyze the operating conditions and design parameters to optimize the performance of these propellers while minimizing the adverse effects of cavitation.Research into fully cavitating propellers continues to evolve, with advancements in computational fluid dynamics (CFD) and experimental testing helping engineers understand the complex interactions between the propeller blades and the surrounding water. By simulating various conditions, researchers can predict how different designs will perform and develop strategies to enhance efficiency while reducing cavitation-related damage.In conclusion, the fully cavitating propeller represents a fascinating intersection of engineering and fluid dynamics. While these propellers offer unique performance benefits, they also present challenges that require innovative solutions. As technology advances, the understanding and application of fully cavitating propellers will undoubtedly continue to play a significant role in the development of faster and more efficient marine vessels, pushing the boundaries of what is possible in marine engineering.

在海洋工程领域，螺旋桨的设计和性能对船舶的效率至关重要。螺旋桨操作中发生的一个有趣现象是气蚀。当螺旋桨在特定条件下运行时，它会产生低压区域，从而导致水中形成蒸汽泡。这些气泡会剧烈崩溃，这可能会对螺旋桨造成损害并降低其效率。经历这种现象的一种特定类型的螺旋桨被称为完全气蚀螺旋桨（fully cavitating propeller）。了解这些螺旋桨的功能及其对海洋车辆的影响对工程师和设计师至关重要。完全气蚀螺旋桨旨在高速度和低压力的条件下运行。这种压力下降使得蒸汽泡能够在叶片表面形成。与可能经历部分气蚀的常规螺旋桨不同，完全气蚀螺旋桨在运行时整个叶片表面都被这些蒸汽泡覆盖。这在某些情况下可以提供一些优势，例如减少阻力和增加推力。然而，使用完全气蚀螺旋桨的好处伴随着挑战。蒸汽泡的剧烈崩溃可能导致螺旋桨叶片上的凹坑和侵蚀，最终减少其使用寿命，并要求更频繁的维护。因此，虽然这些螺旋桨可以提高性能，但也需要仔细的设计考虑以减轻潜在的损坏。完全气蚀螺旋桨的主要应用之一是在高速海军舰艇和专用船只中，如水翼船和鱼雷。这些船只受益于气蚀所提供的增加推力，使它们能够实现更高的速度和更好的机动性。工程师必须仔细分析操作条件和设计参数，以优化这些螺旋桨的性能，同时最小化与气蚀相关的不利影响。对完全气蚀螺旋桨的研究不断发展，计算流体动力学（CFD）和实验测试的进步帮助工程师理解螺旋桨叶片与周围水体之间的复杂相互作用。通过模拟各种条件，研究人员可以预测不同设计的性能，并制定策略以提高效率，同时减少气蚀相关的损坏。总之，完全气蚀螺旋桨代表了工程学与流体动力学之间一个迷人的交汇点。尽管这些螺旋桨提供独特的性能优势，但它们也带来了需要创新解决方案的挑战。随着技术的进步，对完全气蚀螺旋桨的理解和应用无疑将继续在更快、更高效的海洋船舶的发展中发挥重要作用，推动海洋工程领域的可能性极限。