propeller tip clearance

简明释义

螺旋桨叶梢余隙

英英释义

例句

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

在检查中，我们发现螺旋桨尖间隙在可接受范围内。

2.A smaller propeller tip clearance can lead to increased efficiency in flight.

较小的螺旋桨尖间隙可以提高飞行效率。

3.The engineer measured the propeller tip clearance to ensure optimal performance.

工程师测量了螺旋桨尖间隙以确保最佳性能。

4.The pilot reported a change in performance due to inadequate propeller tip clearance.

飞行员报告说，由于螺旋桨尖间隙不足，性能发生了变化。

5.Adjusting the propeller tip clearance is crucial for reducing noise levels.

调整螺旋桨尖间隙对于降低噪音水平至关重要。

作文

The importance of understanding the concept of propeller tip clearance cannot be overstated, especially in the fields of aeronautics and marine engineering. This term refers to the distance between the tips of a propeller and the surrounding structure, such as the hull of a boat or the fuselage of an aircraft. Proper propeller tip clearance is crucial for optimal performance and safety during operation. If the clearance is too small, it can lead to increased drag, vibration, and potential damage to both the propeller and the vessel or aircraft itself.In aviation, the propeller tip clearance plays a vital role in the efficiency of the aircraft's propulsion system. When the tips of the propeller are too close to the aircraft's body, the airflow around the blades can become disrupted, leading to a reduction in thrust and an increase in fuel consumption. This is particularly important during takeoff and landing phases, where every bit of efficiency can make a significant difference in performance.Similarly, in marine applications, maintaining proper propeller tip clearance is essential for the smooth operation of boats and ships. A well-designed propeller with appropriate clearance ensures that water flows smoothly over the blades, maximizing thrust and minimizing cavitation. Cavitation occurs when the pressure in the water drops below its vapor pressure, creating bubbles that collapse violently, causing damage to the propeller and reducing its effectiveness. By ensuring adequate propeller tip clearance, engineers can help mitigate these risks and enhance the longevity of the propeller.Moreover, the design and manufacturing process of propellers must take into account various factors that affect propeller tip clearance. These include the size of the propeller, the type of material used, and the intended operating conditions. For instance, a larger propeller may require more clearance than a smaller one, while certain materials might allow for tighter tolerances without compromising safety. Engineers must also consider the effects of wear and tear over time, as propellers can degrade due to exposure to harsh marine environments or high-speed operations in the air.To ensure the proper propeller tip clearance, regular maintenance and inspections are necessary. Operators should routinely check the condition of the propeller and its clearance from surrounding structures. Any signs of wear, corrosion, or misalignment should be addressed immediately to prevent further damage. Additionally, advancements in technology have led to the development of specialized tools and software that can help in measuring and adjusting propeller tip clearance accurately, ensuring that propellers operate within their optimal parameters.In conclusion, understanding propeller tip clearance is essential for anyone involved in the design, operation, or maintenance of propellers in aviation or marine contexts. It not only affects the performance and efficiency of the vehicle but also plays a critical role in ensuring safety. As technology continues to evolve, so too will the methods for measuring and optimizing propeller tip clearance, making it an ongoing area of study and improvement in engineering disciplines.

理解“propeller tip clearance”这一概念的重要性不容低估，尤其是在航空和海洋工程领域。这个术语指的是螺旋桨的尖端与周围结构之间的距离，例如船体或飞机机身。适当的propeller tip clearance对操作的最佳性能和安全至关重要。如果间隙过小，可能会导致阻力增加、振动以及对螺旋桨和船舶或飞机本身的潜在损害。在航空中，propeller tip clearance在飞机推进系统的效率中发挥着至关重要的作用。当螺旋桨的尖端与飞机机身过近时，气流在叶片周围可能会受到干扰，从而导致推力减少和燃油消耗增加。这在起飞和着陆阶段尤为重要，因为每一点效率都能显著影响性能。同样，在海洋应用中，保持适当的propeller tip clearance对于船只和舰艇的顺利运行至关重要。设计良好的螺旋桨与适当的间隙确保水流平稳地流过叶片，最大化推力并最小化气蚀。气蚀发生在水中的压力降到其蒸汽压力以下时，形成气泡，这些气泡猛烈崩溃，造成螺旋桨的损坏并降低其有效性。通过确保足够的propeller tip clearance，工程师可以帮助减轻这些风险并增强螺旋桨的耐用性。此外，螺旋桨的设计和制造过程必须考虑影响propeller tip clearance的各种因素。这些因素包括螺旋桨的大小、使用的材料类型以及预期的操作条件。例如，较大的螺旋桨可能需要比较小的螺旋桨更大的间隙，而某些材料可能允许在不妨碍安全的情况下实现更紧密的公差。工程师还必须考虑随着时间的推移磨损的影响，因为螺旋桨可能由于暴露于恶劣的海洋环境或在空气中高速操作而退化。为了确保合适的propeller tip clearance，定期维护和检查是必要的。操作人员应定期检查螺旋桨的状况及其与周围结构的间隙。任何磨损、腐蚀或不对齐的迹象都应立即处理，以防止进一步的损害。此外，技术的进步导致开发出专门的工具和软件，可以帮助准确测量和调整propeller tip clearance，确保螺旋桨在其最佳参数内运行。总之，了解propeller tip clearance对任何参与螺旋桨设计、操作或维护的人员都是必不可少的。它不仅影响车辆的性能和效率，还在确保安全方面发挥着关键作用。随着技术的不断发展，测量和优化propeller tip clearance的方法也将不断演进，使其成为工程学科中一个持续研究和改进的领域。