tip clearance

简明释义

叶梢间隙齿顶间隙

英英释义

例句

1.The engineer measured the tip clearance to ensure optimal performance of the turbine.

工程师测量了叶尖间隙以确保涡轮的最佳性能。

2.A small tip clearance can lead to increased efficiency in jet engines.

较小的叶尖间隙可以提高喷气发动机的效率。

3.Excessive tip clearance can cause vibrations and reduce the lifespan of machinery.

过大的叶尖间隙可能导致振动并缩短机器的使用寿命。

4.Adjusting the tip clearance is crucial for reducing noise levels in fans.

调整叶尖间隙对降低风扇的噪音水平至关重要。

5.During the inspection, we found that the tip clearance was within acceptable limits.

在检查过程中，我们发现叶尖间隙在可接受范围内。

作文

In the world of engineering and aerodynamics, the term tip clearance refers to the distance between the tips of rotating blades and the casing or surrounding structure. This concept is particularly crucial in the design and operation of turbines, fans, and propellers. Understanding tip clearance is essential for ensuring optimal performance and efficiency in these systems.When designing a turbine, engineers must carefully calculate the tip clearance to minimize losses due to airflow separation and turbulence. If the tip clearance is too large, it can lead to a decrease in efficiency as air or fluid can escape around the blades, resulting in reduced thrust or power output. Conversely, if the tip clearance is too small, it can cause mechanical interference, leading to increased wear and tear on the blades and potentially catastrophic failures.Moreover, tip clearance plays a significant role in the noise generated by rotating machinery. A larger tip clearance can result in higher levels of noise due to the turbulent flow patterns created as air moves past the blades. Therefore, engineers strive to find a balance that minimizes both noise and efficiency losses.In addition to its impact on performance, tip clearance also affects the thermal dynamics of a system. As blades rotate, they can heat up due to friction and aerodynamic forces. A proper tip clearance allows for adequate cooling airflow, helping to maintain optimal operating temperatures and prolonging the lifespan of the equipment.Regular maintenance and monitoring of tip clearance are also vital. Over time, components may wear down, causing the tip clearance to decrease, which can lead to serious operational issues. Engineers often use various measurement techniques to ensure that the tip clearance remains within specified limits throughout the equipment's lifecycle.In conclusion, tip clearance is a critical parameter in the design and operation of rotating machinery. It affects efficiency, noise levels, and thermal performance. By understanding and managing tip clearance, engineers can optimize the performance of turbines, fans, and other devices, leading to more efficient and reliable systems. As technology advances, the methods for measuring and adjusting tip clearance will continue to improve, allowing for even greater efficiencies and innovations in engineering practices.

在工程和空气动力学的世界中，术语tip clearance指的是旋转叶片的尖端与外壳或周围结构之间的距离。这个概念在涡轮机、风扇和螺旋桨的设计和操作中尤为重要。理解tip clearance对于确保这些系统的最佳性能和效率至关重要。在设计涡轮机时，工程师必须仔细计算tip clearance，以最小化因气流分离和湍流造成的损失。如果tip clearance过大，空气或流体可能会在叶片周围逃逸，从而导致推力或功率输出降低，效率下降。相反，如果tip clearance过小，可能会导致机械干扰，增加叶片的磨损，并可能造成灾难性的故障。此外，tip clearance在旋转机械产生的噪音中也起着重要作用。较大的tip clearance可能会由于气流经过叶片时产生的湍流流动模式而导致更高的噪音水平。因此，工程师们努力寻找一个平衡点，以最小化噪音和效率损失。除了对性能的影响，tip clearance还影响系统的热动态。当叶片旋转时，由于摩擦和空气动力作用，它们可能会升温。适当的tip clearance允许足够的冷却气流，有助于维持最佳操作温度并延长设备的使用寿命。定期维护和监测tip clearance也是至关重要的。随着时间的推移，部件可能会磨损，导致tip clearance减小，这可能导致严重的操作问题。工程师通常使用各种测量技术，以确保tip clearance在设备生命周期内保持在规定的范围内。总之，tip clearance是旋转机械设计和操作中的一个关键参数。它影响效率、噪音水平和热性能。通过理解和管理tip clearance，工程师可以优化涡轮机、风扇和其他设备的性能，从而实现更高效和更可靠的系统。随着技术的进步，测量和调整tip clearance的方法将不断改进，从而使工程实践中的效率和创新更上一个台阶。