bulb cavitation

简明释义

球鼻首空泡现象

英英释义

例句

1.The engineers noticed that the bulb cavitation 灯泡气蚀 was affecting the performance of the underwater lights.

工程师们注意到，灯泡气蚀 bulb cavitation 正在影响水下灯的性能。

2.The team conducted tests to analyze the effects of bulb cavitation 灯泡气蚀 on the efficiency of the new design.

团队进行了测试，以分析灯泡气蚀 bulb cavitation 对新设计效率的影响。

3.During the experiment, they observed that bulb cavitation 灯泡气蚀 increased at higher temperatures.

在实验过程中，他们观察到在更高温度下，灯泡气蚀 bulb cavitation 增加。

4.To prevent bulb cavitation 灯泡气蚀, we need to adjust the pump speed.

为了防止灯泡气蚀 bulb cavitation，我们需要调整泵的速度。

5.Research shows that bulb cavitation 灯泡气蚀 can lead to significant energy losses in marine lighting systems.

研究表明，灯泡气蚀 bulb cavitation 可能导致海洋照明系统中显著的能量损失。

作文

In the field of fluid dynamics and marine engineering, the term bulb cavitation refers to a phenomenon that occurs when the pressure around a bulbous structure submerged in water drops below the vapor pressure of the liquid. This can lead to the formation of vapor bubbles, which can collapse violently, causing damage to the structure itself and affecting the overall performance of the vessel. Understanding bulb cavitation is crucial for designers and engineers who are tasked with creating efficient and durable marine vessels.The bulbous bow, a protruding structure at the front of a ship, is designed to improve hydrodynamic efficiency by reducing wave resistance. However, if the conditions are not ideal, bulb cavitation can occur, leading to significant challenges. The collapse of these vapor bubbles can create shock waves that not only erode the bulb but also generate noise and vibrations that can affect the crew and equipment onboard.To mitigate the risks associated with bulb cavitation, engineers must conduct thorough analyses during the design phase. Computational fluid dynamics (CFD) simulations are often employed to predict the behavior of water around the bulbous bow under various operating conditions. By understanding how water flows and where pressure changes occur, designers can make informed decisions about the shape and size of the bulb, as well as the operational parameters of the vessel.Moreover, real-world testing is equally important. Model tests in towing tanks can provide valuable data on how a vessel will perform in actual sea conditions. These tests help identify potential issues related to bulb cavitation before the vessel is built, saving time and resources in the long run.Additionally, it is essential to consider the speed and loading conditions of the vessel. High speeds can exacerbate the effects of bulb cavitation, making it more likely to occur. Therefore, operators must be aware of the limitations of their vessels and adjust their speed accordingly to minimize the risk of cavitation.In conclusion, bulb cavitation is a critical consideration in marine design and operation. It highlights the intricate relationship between fluid dynamics and vessel performance. By utilizing advanced simulation techniques and conducting thorough testing, engineers can design vessels that not only perform efficiently but also withstand the potential damaging effects of cavitation. As technology advances, our understanding of these phenomena will continue to improve, leading to even more innovative designs in the maritime industry.Understanding bulb cavitation is not just about preventing damage; it is about optimizing vessel performance and ensuring safety at sea. As we continue to explore new frontiers in marine engineering, the lessons learned from studying bulb cavitation will undoubtedly play a vital role in shaping the future of maritime technology.

在流体动力学和海洋工程领域，短语bulb cavitation（舵头气蚀）指的是当水中某个凸起结构周围的压力降到液体的蒸汽压力以下时，所发生的一种现象。这可能导致蒸汽泡的形成，而这些泡沫的剧烈崩溃会对结构本身造成损害，并影响船舶的整体性能。理解bulb cavitation对设计师和工程师至关重要，他们负责创造高效且耐用的海洋船舶。凸头（bulbous bow）是船只前面突出的结构，旨在通过减少波浪阻力来提高水动力效率。然而，如果条件不理想，bulb cavitation可能会发生，导致重大挑战。这些蒸汽泡的崩溃可以产生冲击波，不仅侵蚀凸头，还会产生噪音和振动，影响船员和船上设备。为了减轻与bulb cavitation相关的风险，工程师必须在设计阶段进行彻底分析。计算流体动力学（CFD）模拟通常用于预测在各种操作条件下水流过凸头的行为。通过了解水流动的方式和压力变化发生的地方，设计师可以就凸头的形状和大小以及船舶的操作参数做出明智的决策。此外，现实世界的测试同样重要。在拖曳水池中进行模型测试可以提供有关船舶在实际海况下表现的宝贵数据。这些测试帮助识别与bulb cavitation相关的潜在问题，从而在船舶建造之前节省时间和资源。此外，还必须考虑船舶的速度和负载条件。高速行驶可能加剧bulb cavitation的影响，使其更容易发生。因此，操作人员必须意识到船舶的限制，并相应调整速度，以最小化气蚀的风险。总之，bulb cavitation是海洋设计和操作中的关键考虑因素。它突显了流体动力学与船舶性能之间复杂的关系。通过利用先进的模拟技术和进行彻底的测试，工程师可以设计出不仅高效且能够承受气蚀潜在破坏影响的船舶。随着技术的进步，我们对这些现象的理解将不断提高，导致海事行业更具创新性的设计。理解bulb cavitation不仅仅是为了防止损害；它也是为了优化船舶性能并确保海上安全。随着我们继续探索海洋工程的新领域，从研究bulb cavitation中获得的经验教训无疑将在塑造海洋技术的未来中发挥重要作用。