bulb cavitation

简明释义

球鼻首空化

英英释义

例句

1.To mitigate bulb cavitation 灯泡空化, the design team proposed a new bulb shape.

为了减轻灯泡空化，设计团队提出了一种新的灯泡形状。

2.The engineer explained how bulb cavitation 灯泡空化 can negatively affect the efficiency of a ship's propulsion system.

工程师解释了如何灯泡空化会对船舶推进系统的效率产生负面影响。

3.The research focused on the impact of bulb cavitation 灯泡空化 on fuel consumption.

研究集中在灯泡空化对燃料消耗的影响上。

4.During the tests, we observed that bulb cavitation 灯泡空化 caused significant vibrations in the hull.

在测试过程中，我们观察到灯泡空化导致船体出现显著的振动。

5.Engineers installed sensors to monitor bulb cavitation 灯泡空化 levels during operation.

工程师安装传感器以监测运行期间的灯泡空化水平。

作文

In the field of fluid dynamics, understanding phenomena such as bulb cavitation is crucial for engineers and scientists alike. Bulb cavitation refers to the formation of vapor bubbles in a liquid around a bulbous structure, often seen in marine vessels where the hull shape is designed to minimize resistance and improve efficiency. When a vessel moves through water, the pressure around its hull changes, and if the pressure drops below the vapor pressure of the water, bubbles form. This process can lead to significant implications for the performance and longevity of the vessel.The mechanics of bulb cavitation are fascinating. As the vessel accelerates, the flow of water around the bulbous section of the hull creates areas of low pressure. When these pressures drop sufficiently, the water cannot remain in a liquid state, leading to the formation of vapor bubbles. These bubbles can collapse violently when they move into higher pressure areas, creating shock waves that can damage the hull and reduce the vessel's performance. Understanding this phenomenon is essential for designing ships that can operate efficiently without suffering from the adverse effects of cavitation.Furthermore, bulb cavitation can also affect the maneuverability of a vessel. When cavitation occurs, it can lead to a loss of control, making it difficult for the captain to steer effectively. This unpredictability can pose risks not only to the ship but also to the safety of crew members and cargo. Therefore, engineers must consider bulb cavitation when designing hull shapes and selecting materials that can withstand the forces generated by collapsing bubbles.Research into bulb cavitation has led to innovations in naval architecture. Engineers use computational fluid dynamics (CFD) simulations to predict where cavitation might occur and how it can be mitigated. By optimizing the shape of the bulbous bow and improving surface coatings, they can reduce the likelihood of cavitation and enhance the overall efficiency of the vessel.In conclusion, bulb cavitation is a critical concept in naval engineering that impacts the design and operation of marine vessels. By understanding the mechanics behind it, engineers can create more efficient and safer ships, ultimately benefiting the maritime industry as a whole. The ongoing research and technological advancements in this area highlight the importance of addressing bulb cavitation to ensure that vessels can navigate our waters effectively while minimizing damage and maximizing performance.

在流体动力学领域，理解诸如气泡空化等现象对工程师和科学家来说至关重要。气泡空化是指液体中围绕一个球形结构形成蒸汽气泡的现象，这种现象常见于海洋船舶，其中船体形状设计旨在最小化阻力并提高效率。当船只在水中移动时，船体周围的压力发生变化，如果压力降到水的蒸汽压以下，就会形成气泡。这个过程可能对船舶的性能和寿命产生重大影响。气泡空化的机制非常迷人。当船只加速时，水流在船体的球形部分周围形成低压区域。当这些压力降得足够低时，水无法保持液态，从而导致蒸汽气泡的形成。这些气泡在进入高压区域时会猛烈塌陷，产生冲击波，可能会损坏船体并降低船舶的性能。理解这一现象对设计能够高效运行而不受空化不利影响的船舶至关重要。此外，气泡空化还可能影响船舶的机动性。当发生空化时，可能会导致控制丧失，使船长难以有效操纵。这种不可预测性不仅对船只构成风险，还对船员和货物的安全构成威胁。因此，工程师在设计船体形状和选择能够承受气泡坍塌所产生的力量的材料时，必须考虑气泡空化。对气泡空化的研究推动了海军建筑领域的创新。工程师使用计算流体动力学（CFD）模拟来预测空化可能发生的位置以及如何减轻其影响。通过优化球形船头的形状和改善表面涂层，他们可以减少空化的可能性，提高船舶的整体效率。总之，气泡空化是海洋工程中的一个关键概念，它影响着海洋船舶的设计和操作。通过理解其机制，工程师可以创造出更高效和更安全的船只，最终使整个海事行业受益。对此领域的持续研究和技术进步突显了应对气泡空化的重要性，以确保船舶能够有效地航行我们的水域，同时最大限度地减少损害并提高性能。