blade clearance

简明释义

叶片间隙

英英释义

例句

1.A proper blade clearance is crucial for preventing damage to the cutting tools.

适当的刀片间隙对于防止切削工具损坏至关重要。

2.The manual specifies the ideal blade clearance for various types of equipment.

手册中规定了各种设备的理想刀片间隙。

3.Adjusting the blade clearance can significantly reduce noise during operation.

调整刀片间隙可以显著降低操作过程中的噪音。

4.Before starting the machine, check the blade clearance to avoid any operational issues.

在启动机器之前，检查刀片间隙以避免任何操作问题。

5.The technician measured the blade clearance to ensure optimal performance of the machinery.

技术人员测量了刀片间隙以确保机器的最佳性能。

作文

The term blade clearance refers to the small gap or space between the blades of a rotating machine, such as in a turbine or an engine. This clearance is crucial for the efficient operation of these machines, as it affects their performance, efficiency, and safety. Understanding the importance of blade clearance can help engineers and technicians optimize machinery design and maintenance practices.In many mechanical systems, particularly those involving rotating components, the blade clearance plays a pivotal role. For instance, in gas turbines, the blades must rotate at high speeds to generate thrust or power. However, if the blade clearance is too tight, it can lead to excessive friction, overheating, and ultimately, failure of the blades. On the other hand, if the clearance is too large, it can result in reduced efficiency and performance losses. Therefore, achieving the right balance in blade clearance is essential for optimal operation.One of the primary factors that influence blade clearance is thermal expansion. As the temperature of the machine rises during operation, the materials used in the blades expand. Engineers must account for this expansion when designing the clearance to ensure that the blades do not come into contact with other components. This is especially important in high-temperature environments, such as in jet engines, where the heat generated can significantly alter the dimensions of the blades.Additionally, wear and tear over time can also affect blade clearance. Blades are subjected to various stresses during operation, including vibration, corrosion, and erosion. These factors can gradually change the shape and size of the blades, leading to variations in clearance. Regular maintenance and inspection are vital to monitor the condition of the blades and adjust the blade clearance as necessary to maintain optimal performance.Another consideration is the impact of blade clearance on noise and vibration levels. A well-designed clearance can minimize vibrations and reduce noise, which is particularly important in applications like aircraft engines, where passenger comfort is a priority. Engineers often use advanced modeling techniques to simulate the effects of different clearances on noise and vibration, allowing them to make informed decisions about design parameters.In conclusion, blade clearance is a critical aspect of mechanical engineering that influences the performance, efficiency, and reliability of rotating machinery. By understanding the factors that affect blade clearance, engineers can design more efficient systems and implement effective maintenance strategies. As technology continues to evolve, the study of blade clearance will remain a key area of focus for improving the performance of engines and turbines across various industries.

术语blade clearance指的是旋转机器（如涡轮机或发动机）刀片之间的小间隙或空间。这个间隙对这些机器的高效运行至关重要，因为它影响着它们的性能、效率和安全性。理解blade clearance的重要性可以帮助工程师和技术人员优化机械设计和维护实践。在许多机械系统中，特别是涉及旋转组件的系统中，blade clearance发挥着关键作用。例如，在燃气涡轮中，刀片必须以高速旋转以产生推力或动力。然而，如果blade clearance过于紧密，可能会导致过度摩擦、过热，最终导致刀片失效。另一方面，如果间隙过大，可能会导致效率降低和性能损失。因此，在blade clearance中达到合适的平衡对于最佳操作至关重要。影响blade clearance的主要因素之一是热膨胀。当机器在运行过程中温度升高时，刀片所用的材料会膨胀。工程师必须在设计间隙时考虑这种膨胀，以确保刀片不会与其他组件接触。这在高温环境中尤为重要，例如喷气发动机，在这种情况下，产生的热量会显著改变刀片的尺寸。此外，随着时间的推移，磨损也会影响blade clearance。刀片在运转过程中受到各种应力，包括振动、腐蚀和侵蚀。这些因素会逐渐改变刀片的形状和大小，导致间隙发生变化。定期维护和检查对于监测刀片状况并根据需要调整blade clearance以保持最佳性能至关重要。另一个考虑因素是blade clearance对噪音和振动水平的影响。良好设计的间隙可以减少振动并降低噪音，这在飞机发动机等应用中尤为重要，因为乘客的舒适性是优先考虑的。工程师通常使用先进的建模技术来模拟不同间隙对噪音和振动的影响，从而使他们能够就设计参数做出明智的决策。总之，blade clearance是机械工程中的一个关键方面，影响着旋转机械的性能、效率和可靠性。通过理解影响blade clearance的因素，工程师可以设计更高效的系统并实施有效的维护策略。随着技术的不断发展，blade clearance的研究将继续成为提高各行业发动机和涡轮机性能的关键领域。