propeller pitch

简明释义

推进器螺距

英英释义

例句

1.A higher propeller pitch can lead to increased speed but may reduce thrust.

更高的螺旋桨桨距可以提高速度，但可能会减少推力。

2.During cruising, a lower propeller pitch is often more efficient.

在巡航过程中，较低的螺旋桨桨距通常更为高效。

3.The pilot adjusted the propeller pitch to optimize performance during takeoff.

飞行员调整了螺旋桨桨距以优化起飞时的性能。

4.Engineers often calculate the ideal propeller pitch for different flight conditions.

工程师通常会计算不同飞行条件下理想的螺旋桨桨距。

5.Changing the propeller pitch can significantly affect fuel efficiency.

改变螺旋桨桨距会显著影响燃油效率。

作文

Understanding the concept of propeller pitch is crucial for anyone interested in aviation or marine engineering. The term refers to the angle of the blades of a propeller and how it affects the performance of the vehicle it is attached to. In simple terms, propeller pitch can be thought of as the distance a propeller would move forward in one complete revolution, assuming there is no slippage in the medium it operates in. This concept is not only applicable to airplanes but also to boats and other vehicles that utilize propellers for propulsion.The angle of the blades directly influences the efficiency and speed of the propeller. A low propeller pitch means that the blades are angled in such a way that they can push more water or air with each rotation, which is ideal for takeoff and acceleration. Conversely, a high propeller pitch allows for higher speeds but requires more power to maintain those speeds. Therefore, selecting the correct propeller pitch is essential for achieving optimal performance in various situations.In aviation, for instance, pilots must consider the propeller pitch when calculating the necessary thrust for takeoff or cruising. A fixed-pitch propeller has blades set at a specific angle, while a variable-pitch propeller allows the pilot to adjust the angle during flight, optimizing performance for different phases of flight. This flexibility can significantly enhance fuel efficiency and overall aircraft performance.Similarly, in marine applications, the propeller pitch plays a vital role in determining the speed and maneuverability of a boat. A boat with a lower propeller pitch will accelerate faster but may have limitations on top speed. On the other hand, a higher propeller pitch can provide greater top speeds but may struggle with acceleration, especially when heavily loaded.Understanding propeller pitch is also important for maintenance and troubleshooting. If a propeller is damaged or worn down, its effective pitch may change, leading to reduced performance. Regular inspections and adjustments can help maintain the intended propeller pitch, ensuring that the vehicle operates efficiently.In conclusion, the concept of propeller pitch is fundamental in both aviation and marine engineering. It influences the performance, efficiency, and handling of any vehicle that relies on propellers. By grasping this concept, operators can make informed decisions regarding the design, selection, and maintenance of propellers, ultimately enhancing the overall functionality of their aircraft or vessels. Whether you are a pilot, a sailor, or simply an enthusiast, understanding propeller pitch can greatly improve your knowledge and appreciation of these incredible machines.

理解螺旋桨桨距的概念对于任何对航空或海洋工程感兴趣的人来说都是至关重要的。这个术语指的是螺旋桨叶片的角度以及它如何影响所附车辆的性能。简单来说，螺旋桨桨距可以被认为是螺旋桨在一次完整旋转中向前移动的距离，假设在其操作介质中没有滑移。这个概念不仅适用于飞机，也适用于船只和其他利用螺旋桨推进的车辆。叶片的角度直接影响螺旋桨的效率和速度。低螺旋桨桨距意味着叶片以一种能够在每次旋转中推动更多水或空气的方式倾斜，这对于起飞和加速是理想的。相反，高螺旋桨桨距允许更高的速度，但需要更多的功率来维持这些速度。因此，选择正确的螺旋桨桨距对于在各种情况下达到最佳性能至关重要。例如，在航空中，飞行员必须在计算起飞或巡航所需的推力时考虑螺旋桨桨距。固定桨距螺旋桨的叶片设置在特定的角度，而可变桨距螺旋桨允许飞行员在飞行过程中调整角度，从而优化不同飞行阶段的性能。这种灵活性可以显著提高燃油效率和整体飞行器性能。同样，在海洋应用中，螺旋桨桨距在确定船只的速度和机动性方面也起着至关重要的作用。具有较低螺旋桨桨距的船只将加速更快，但在最高速度上可能有限。另一方面，较高的螺旋桨桨距可以提供更大的最高速度，但在重载时可能会在加速上遇到困难。了解螺旋桨桨距对于维护和故障排除也很重要。如果螺旋桨受到损坏或磨损，其有效桨距可能会改变，从而导致性能下降。定期检查和调整可以帮助保持预期的螺旋桨桨距，确保车辆高效运行。总之，螺旋桨桨距的概念在航空和海洋工程中都是基础的。它影响任何依赖螺旋桨的车辆的性能、效率和操控性。通过掌握这一概念，操作人员可以就螺旋桨的设计、选择和维护做出明智的决定，从而最终提升他们的飞机或船只的整体功能。无论你是飞行员、航海者还是仅仅是一个爱好者，理解螺旋桨桨距都能大大提高你对这些令人难以置信的机器的知识和欣赏。