propeller pitch

简明释义

螺旋桨螺距推进器螺距

英英释义

例句

1.Understanding the propeller pitch is crucial for maintaining the aircraft's performance.

理解螺旋桨螺距对于保持飞机性能至关重要。

2.The pilot adjusted the propeller pitch to optimize fuel efficiency during the flight.

飞行员调整了螺旋桨螺距以优化飞行中的燃油效率。

3.Changing the propeller pitch can significantly affect an aircraft's climb rate.

改变螺旋桨螺距会显著影响飞机的爬升率。

4.A higher propeller pitch can lead to faster speeds but may reduce thrust.

较高的螺旋桨螺距可以带来更快的速度，但可能会减少推力。

5.The technician measured the propeller pitch to ensure it met the manufacturer's specifications.

技术人员测量了螺旋桨螺距以确保其符合制造商的规格。

作文

The concept of propeller pitch is crucial in understanding how propulsion systems work, especially in aviation and marine contexts. Propeller pitch refers to the distance a propeller would move forward in one complete rotation if it were moving through a solid medium, similar to how a screw works. This measurement is vital because it directly affects the efficiency and performance of the vehicle it powers.In aviation, the propeller pitch can significantly impact an aircraft's speed and climb rate. A propeller with a low pitch allows for a higher rotational speed, which is beneficial during takeoff and climb. Conversely, a higher propeller pitch is more efficient at cruising speeds. Pilots often need to adjust the propeller pitch according to the flight phase to optimize performance. For example, during takeoff, a lower pitch setting is typically used to maximize thrust, while cruising may require a higher pitch for fuel efficiency.Similarly, in marine applications, the propeller pitch plays a critical role in determining the vessel’s speed and handling characteristics. A boat's propeller is designed to push water backward, creating forward motion. The propeller pitch must be appropriately chosen to match the engine's power output and the desired speed of the vessel. If the pitch is too low, the boat may not reach its optimal speed, while a pitch that is too high can lead to engine strain and poor acceleration.Understanding propeller pitch also involves recognizing the difference between fixed-pitch and variable-pitch propellers. Fixed-pitch propellers have a set angle that cannot be changed during operation. This simplicity makes them easy to use but limits their efficiency across different operating conditions. On the other hand, variable-pitch propellers allow the angle of the blades to be adjusted on the fly, providing better performance across various speeds and loads. This adaptability can enhance fuel efficiency and overall operational effectiveness.In conclusion, propeller pitch is a fundamental aspect of propulsion systems that affects both aviation and marine vehicles. By understanding how propeller pitch works and its implications for performance, pilots and mariners can make informed decisions that enhance their craft's efficiency and effectiveness. Whether it's adjusting the pitch for optimal takeoff or cruising, or selecting the right type of propeller for a specific application, mastering the concept of propeller pitch is essential for anyone involved in these fields.

“螺旋桨螺距”这一概念对于理解推进系统的工作原理至关重要，尤其是在航空和海洋环境中。“螺旋桨螺距”指的是螺旋桨在一次完整旋转中，如果它在固体介质中移动，则前进的距离，类似于螺丝的工作方式。这个测量值至关重要，因为它直接影响着其所驱动的车辆的效率和性能。在航空领域，“螺旋桨螺距”可以显著影响飞机的速度和爬升率。低螺距的螺旋桨允许更高的转速，这在起飞和爬升时是有利的。相反，更高的“螺旋桨螺距”在巡航速度下更为高效。飞行员通常需要根据飞行阶段调整“螺旋桨螺距”，以优化性能。例如，在起飞过程中，通常使用较低的螺距设置以最大化推力，而巡航可能需要更高的螺距以提高燃油效率。同样，在海洋应用中，“螺旋桨螺距”在确定船只的速度和操控特性方面发挥着关键作用。船只的螺旋桨设计用于向后推动水，从而产生前进的动力。“螺旋桨螺距”必须适当地选择，以匹配发动机的功率输出和船只的目标速度。如果螺距过低，船只可能无法达到最佳速度，而螺距过高则可能导致发动机负担过重和加速不良。理解“螺旋桨螺距”还涉及认识固定螺距和可变螺距螺旋桨之间的区别。固定螺距螺旋桨有一个设定角度，在操作过程中无法更改。这种简单性使得它们易于使用，但限制了它们在不同操作条件下的效率。另一方面，可变螺距螺旋桨允许在运行过程中随时调整叶片的角度，从而在各种速度和负载下提供更好的性能。这种适应性可以提高燃油效率和整体操作效果。总之，“螺旋桨螺距”是推进系统的基本方面，影响着航空和海洋车辆。通过理解“螺旋桨螺距”的工作原理及其对性能的影响，飞行员和水手可以做出明智的决策，提高他们的设备的效率和有效性。无论是为了最佳起飞或巡航而调整螺距，还是选择适合特定应用的螺旋桨，掌握“螺旋桨螺距”的概念对于任何参与这些领域的人来说都是至关重要的。