pitch of propeller

简明释义

螺旋桨螺距

英英释义

例句

1.The pitch of propeller directly affects the thrust produced by the engine.

螺旋桨的螺距直接影响发动机产生的推力。

2.A higher pitch of propeller can lead to better performance in calm waters.

更高的螺旋桨的螺距可以在平静水域中获得更好的性能。

3.Understanding the pitch of propeller is crucial for optimizing boat speed.

理解螺旋桨的螺距对于优化船速至关重要。

4.Pilots must be aware of the pitch of propeller when flying at different altitudes.

飞行员在不同高度飞行时必须注意螺旋桨的螺距。

5.The engineer adjusted the pitch of propeller to improve the aircraft's fuel efficiency.

工程师调整了螺旋桨的螺距以提高飞机的燃油效率。

作文

The concept of the pitch of propeller is crucial in understanding how aircraft and marine vessels achieve thrust. In simple terms, the pitch of propeller refers to the distance a propeller would move forward in one complete revolution, assuming it were moving through a solid medium without any slip. This measurement is typically expressed in inches and plays a vital role in determining the efficiency and performance of a propeller. When designing a propeller, engineers must consider various factors, including the intended use of the vessel, the type of engine, and the desired speed. A propeller with a high pitch of propeller will allow the vessel to achieve higher speeds, but it may sacrifice acceleration and thrust at lower speeds. Conversely, a propeller with a low pitch of propeller will provide better acceleration and thrust but may limit the maximum speed. Therefore, selecting the appropriate pitch of propeller is essential for optimizing performance based on specific operational requirements.In aviation, the pitch of propeller is also significant for achieving the best climb rate and cruising speed. For instance, during takeoff, pilots may prefer a propeller with a lower pitch of propeller to maximize thrust and ensure a quick ascent. Once the aircraft is airborne and cruising, a higher pitch of propeller can be engaged to improve fuel efficiency and reduce engine strain. This adaptability is a key reason why variable-pitch propellers are widely used in modern aircraft, allowing pilots to adjust the pitch of propeller according to flight conditions.Additionally, the pitch of propeller can influence the overall design and construction of the propeller itself. For example, a propeller designed for a high pitch of propeller may require more robust materials to withstand the stresses encountered at higher speeds. Similarly, the blade shape and angle are also tailored to complement the chosen pitch of propeller, ensuring that the propeller operates efficiently across its intended speed range.In conclusion, the pitch of propeller is a fundamental aspect of propeller design and performance. Whether in aviation or marine applications, understanding the implications of different pitches helps engineers and operators make informed decisions about their vessels' configurations. By carefully selecting the pitch of propeller, they can optimize performance, enhance fuel efficiency, and ensure that the vessel meets its operational goals effectively. As technology continues to evolve, so too will our understanding and application of the pitch of propeller, leading to even more efficient and capable propulsion systems in the future.

螺旋桨的螺距概念对于理解飞机和海洋船只如何获得推力至关重要。简单来说，螺旋桨的螺距是指螺旋桨在一次完整旋转中向前移动的距离，假设它是在一个固体介质中移动而没有任何滑移。这一测量通常以英寸为单位，并在确定螺旋桨的效率和性能方面起着重要作用。在设计螺旋桨时，工程师必须考虑多种因素，包括船只的预期用途、发动机类型和所需速度。具有高螺旋桨的螺距的螺旋桨将允许船只达到更高的速度，但可能会牺牲低速时的加速和推力。相反，具有低螺旋桨的螺距的螺旋桨将提供更好的加速和推力，但可能限制最大速度。因此，选择适当的螺旋桨的螺距对于根据特定操作要求优化性能至关重要。在航空领域，螺旋桨的螺距对实现最佳爬升率和巡航速度也很重要。例如，在起飞过程中，飞行员可能更喜欢使用具有较低螺旋桨的螺距的螺旋桨，以最大化推力并确保快速上升。一旦飞机起飞并巡航，可以调高螺旋桨的螺距以提高燃油效率并减少发动机负担。这种适应性是现代飞机广泛使用可变螺距螺旋桨的关键原因之一，使飞行员能够根据飞行条件调整螺旋桨的螺距。此外，螺旋桨的螺距还可以影响螺旋桨本身的整体设计和构造。例如，设计用于高螺旋桨的螺距的螺旋桨可能需要更强的材料，以承受在更高速度下遇到的压力。同样，叶片的形状和角度也会根据所选择的螺旋桨的螺距进行调整，以确保螺旋桨在其预期速度范围内高效运行。总之，螺旋桨的螺距是螺旋桨设计和性能的基本方面。无论是在航空还是海洋应用中，理解不同螺距的影响有助于工程师和操作人员就船只的配置做出明智的决策。通过仔细选择螺旋桨的螺距，他们可以优化性能、提高燃油效率，并确保船只有效地满足其操作目标。随着技术的不断发展，我们对螺旋桨的螺距的理解和应用也将不断演进，从而在未来带来更高效、更强大的推进系统。