non-uniform pitch propeller

简明释义

非等螺距螺旋浆

英英释义

例句

1.The design of a non-uniform pitch propeller 非均匀螺距螺旋桨 allows for improved efficiency at various speeds.

一种设计为非均匀螺距螺旋桨 non-uniform pitch propeller的螺旋桨在不同速度下能够提高效率。

2.When testing the non-uniform pitch propeller 非均匀螺距螺旋桨, we observed significant performance gains.

在测试非均匀螺距螺旋桨 non-uniform pitch propeller时，我们观察到了显著的性能提升。

3.The non-uniform pitch propeller 非均匀螺距螺旋桨 design minimizes cavitation and improves fuel efficiency.

这种非均匀螺距螺旋桨 non-uniform pitch propeller设计最小化了气蚀现象并提高了燃油效率。

4.In marine applications, a non-uniform pitch propeller 非均匀螺距螺旋桨 can enhance thrust and maneuverability.

在海洋应用中，非均匀螺距螺旋桨 non-uniform pitch propeller可以增强推力和机动性。

5.Engineers often prefer a non-uniform pitch propeller 非均匀螺距螺旋桨 for high-performance racing boats.

工程师通常更喜欢使用非均匀螺距螺旋桨 non-uniform pitch propeller来提升高性能赛车艇的表现。

作文

The concept of a non-uniform pitch propeller is crucial in the field of aerodynamics and marine engineering. A propeller is an essential component of many vehicles, particularly aircraft and boats, as it generates thrust to propel them forward. The term 'pitch' refers to the angle at which the blades of the propeller are set. In a non-uniform pitch propeller design, the pitch varies along the length of the blades, which can significantly impact the efficiency and performance of the propeller.To understand the importance of a non-uniform pitch propeller, we must first consider how traditional propellers operate. Standard propellers usually have a uniform pitch, meaning that all blades are set at the same angle. While this design works adequately for many applications, it does not take full advantage of the aerodynamic properties that can be achieved with varying pitches. A non-uniform pitch propeller, on the other hand, allows for different angles along the blade, optimizing the flow of water or air over the surface.One of the primary benefits of using a non-uniform pitch propeller is enhanced efficiency. By adjusting the pitch along the blade, engineers can create a design that minimizes drag and maximizes thrust at various speeds. For example, in marine applications, a vessel may need to operate efficiently at both low and high speeds. A non-uniform pitch propeller can provide the necessary thrust at lower speeds while maintaining efficiency at higher speeds, leading to better fuel economy and overall performance.Moreover, a non-uniform pitch propeller can also improve maneuverability. In aviation, for instance, varying the pitch can allow for quicker response times during takeoff and landing, as well as improved control during flight. This adaptability is particularly important in competitive environments where every second counts.The design of a non-uniform pitch propeller involves complex calculations and simulations. Engineers must consider factors such as the material of the blades, the expected operating conditions, and the specific requirements of the vehicle. Computational fluid dynamics (CFD) plays a significant role in this process, allowing designers to visualize and optimize how air or water flows around the propeller.In conclusion, the non-uniform pitch propeller represents a significant advancement in propeller technology. Its ability to enhance efficiency, improve maneuverability, and adapt to varying operational conditions makes it an invaluable tool in both marine and aviation industries. As technology continues to evolve, the implementation of non-uniform pitch propellers will likely become more widespread, leading to more efficient and capable vehicles in the future.

非均匀螺距螺旋桨的概念在气动学和海洋工程领域至关重要。螺旋桨是许多车辆的基本组成部分，特别是飞机和船只，因为它产生推力使其向前推进。“螺距”一词指的是螺旋桨叶片的设定角度。在非均匀螺距螺旋桨设计中，螺距沿着叶片的长度变化，这可以显著影响螺旋桨的效率和性能。为了理解非均匀螺距螺旋桨的重要性，我们必须首先考虑传统螺旋桨的工作原理。标准螺旋桨通常具有均匀的螺距，这意味着所有叶片都设置在相同的角度。虽然这种设计适用于许多应用，但并没有充分利用可以通过变化螺距获得的空气动力学特性。另一方面，非均匀螺距螺旋桨允许沿着叶片采用不同的角度，从而优化水或空气在表面上的流动。使用非均匀螺距螺旋桨的主要好处之一是提高效率。通过调整叶片上的螺距，工程师可以创建一种设计，最大限度地减少阻力并在各种速度下最大化推力。例如，在海洋应用中，船只可能需要在低速和高速下高效运行。非均匀螺距螺旋桨可以在较低速度下提供必要的推力，同时在较高速度下保持效率，从而提高燃油经济性和整体性能。此外，非均匀螺距螺旋桨还可以改善操控性。在航空领域，例如，改变螺距可以在起飞和着陆过程中实现更快的响应时间，以及在飞行过程中改善控制。这种适应性在竞争环境中尤为重要，因为每一秒都至关重要。非均匀螺距螺旋桨的设计涉及复杂的计算和模拟。工程师必须考虑诸如叶片材料、预期操作条件和车辆的具体要求等因素。计算流体动力学（CFD）在此过程中发挥着重要作用，使设计人员能够可视化和优化空气或水如何在螺旋桨周围流动。总之，非均匀螺距螺旋桨代表了螺旋桨技术的一项重大进步。它提高效率、改善操控性以及适应不同操作条件的能力，使其成为海洋和航空工业中不可或缺的工具。随着技术的不断发展，非均匀螺距螺旋桨的应用可能会变得更加普遍，从而在未来带来更高效和更强大的车辆。