blade vibration

简明释义

叶片振动

英英释义

例句

1.A sudden increase in blade vibration 叶片振动 can indicate a problem with the machinery.

突然增加的叶片振动 叶片振动可能表明机器出现了问题。

2.The engineers conducted tests to measure the blade vibration 叶片振动 levels in the turbine.

工程师们进行了测试，以测量涡轮机中的叶片振动 叶片振动水平。

3.Excessive blade vibration 叶片振动 can lead to structural failure in aircraft engines.

过度的叶片振动 叶片振动可能导致飞机发动机的结构失效。

4.The technician adjusted the settings to reduce blade vibration 叶片振动 during operation.

技术员调整设置以减少操作过程中叶片振动 叶片振动。

5.Monitoring blade vibration 叶片振动 is crucial for maintaining the efficiency of wind turbines.

监测叶片振动 叶片振动对于维持风力涡轮机的效率至关重要。

作文

In the field of engineering, particularly in the design and operation of turbines and rotors, understanding the phenomenon of blade vibration is crucial. Blade vibration refers to the oscillation of blades within a rotating system, which can significantly impact the performance and longevity of machinery. This vibration occurs due to various factors, including aerodynamic forces, mechanical imbalances, and external disturbances. Engineers must carefully analyze these vibrations to prevent catastrophic failures and ensure optimal performance. One of the primary causes of blade vibration is the aerodynamic forces acting on the blades as they cut through the air. As blades rotate, they experience lift and drag, which can lead to fluctuating forces that result in vibrations. These vibrations can cause fatigue over time, leading to material failure. Therefore, engineers often conduct computational fluid dynamics (CFD) simulations to predict and analyze the airflow around the blades. By understanding how air interacts with the blade surfaces, engineers can design blades that minimize blade vibration and enhance overall efficiency.Another significant factor contributing to blade vibration is mechanical imbalance. If the blades are not evenly distributed or if there is any deviation in their mass, it can lead to uneven forces during rotation. This imbalance can exacerbate vibrations, causing increased wear and tear on the machinery. To mitigate this issue, regular maintenance and precise manufacturing processes are essential. Engineers must ensure that the blades are balanced correctly and that any signs of wear are addressed promptly.External disturbances, such as changes in operating conditions or environmental factors, can also induce blade vibration. For instance, sudden changes in wind speed or direction can affect the aerodynamic forces on the blades, leading to unexpected vibrations. To counteract these effects, engineers may implement advanced control systems that can adjust the blade pitch or rotational speed in real-time, thereby minimizing the impact of external disturbances.The consequences of unchecked blade vibration can be severe. In extreme cases, excessive vibrations can lead to catastrophic failures, resulting in costly downtime and repairs. Moreover, the safety of personnel can be compromised if machinery fails during operation. Therefore, monitoring blade vibration is critical in industries such as aerospace, wind energy, and power generation. Engineers utilize various sensors and diagnostic tools to continuously monitor vibrations and identify any anomalies that may indicate potential issues.In conclusion, understanding and managing blade vibration is vital for the reliability and efficiency of rotating machinery. By analyzing the causes of vibrations, implementing effective design strategies, and utilizing advanced monitoring techniques, engineers can mitigate the risks associated with blade vibration. This proactive approach not only enhances the performance of machinery but also ensures the safety and well-being of those who operate it. As technology continues to advance, the methods for analyzing and controlling blade vibration will undoubtedly become more sophisticated, leading to even greater improvements in engineering practices and machinery design.

在工程领域，特别是在涡轮机和转子设计与操作中，理解叶片振动现象至关重要。叶片振动是指旋转系统中叶片的振荡，这可能会显著影响机械的性能和使用寿命。这种振动由于多种因素引起，包括空气动力学力、机械不平衡和外部干扰。工程师必须仔细分析这些振动，以防止灾难性故障并确保最佳性能。导致叶片振动的主要原因之一是作用于叶片的空气动力学力。当叶片旋转时，它们会经历升力和阻力，这可能导致波动的力，从而导致振动。这些振动可能随着时间的推移造成疲劳，导致材料失效。因此，工程师通常进行计算流体动力学（CFD）模拟，以预测和分析空气流动对叶片的影响。通过了解空气如何与叶片表面相互作用，工程师可以设计出最小化叶片振动并提高整体效率的叶片。另一个导致叶片振动的重要因素是机械不平衡。如果叶片分布不均或其质量存在任何偏差，就会导致旋转时产生不均匀的力。这种不平衡会加剧振动，导致机械的磨损加剧。为减轻这一问题，定期维护和精确的制造过程是必不可少的。工程师必须确保叶片的平衡正确，并及时处理任何磨损迹象。外部干扰，如操作条件变化或环境因素，也可能引起叶片振动。例如，风速或方向的突然变化可能会影响叶片上的空气动力学力，导致意想不到的振动。为应对这些影响，工程师可能会实施先进的控制系统，可以实时调整叶片的俯仰角或转速，从而最小化外部干扰的影响。如果不加以控制，过度的叶片振动可能会导致严重后果。在极端情况下，过度振动可能导致灾难性故障，造成高昂的停机和维修费用。此外，如果机械在运行过程中发生故障，人员的安全也可能受到威胁。因此，在航空航天、风能和发电等行业中，监测叶片振动至关重要。工程师利用各种传感器和诊断工具来持续监测振动，识别可能指示潜在问题的异常情况。总之，理解和管理叶片振动对于旋转机械的可靠性和效率至关重要。通过分析振动的原因、实施有效的设计策略以及利用先进的监测技术，工程师可以减轻与叶片振动相关的风险。这种主动的方法不仅提高了机械的性能，还确保了操作人员的安全和健康。随着技术的不断进步，分析和控制叶片振动的方法无疑将变得更加复杂，从而在工程实践和机械设计中实现更大的改进。