constant pitch propeller

简明释义

定螺距螺旋桨

英英释义

例句

1.Using a constant pitch propeller 恒定螺距螺旋桨 allows for straightforward operation, making it ideal for beginner pilots.

使用恒定螺距螺旋桨使操作简单，非常适合初学者飞行员。

2.The constant pitch propeller 恒定螺距螺旋桨 is less efficient at varying speeds compared to variable pitch options.

与可变螺距选项相比，恒定螺距螺旋桨在不同速度下效率较低。

3.Many small aircraft utilize a constant pitch propeller 恒定螺距螺旋桨 due to its simplicity and ease of maintenance.

许多小型飞机采用恒定螺距螺旋桨，因为它简单且易于维护。

4.In marine applications, a constant pitch propeller 恒定螺距螺旋桨 can provide reliable thrust for various boat sizes.

在海洋应用中，恒定螺距螺旋桨可以为各种船只提供可靠的推力。

5.The design of the aircraft includes a constant pitch propeller 恒定螺距螺旋桨 to maintain optimal performance during cruising.

该飞机的设计包括一个恒定螺距螺旋桨，以在巡航过程中保持最佳性能。

作文

In the world of aviation and marine engineering, the choice of propeller can significantly influence the performance and efficiency of an aircraft or a ship. One type of propeller that has gained considerable attention is the constant pitch propeller. A constant pitch propeller (常量桨距螺旋桨) is designed to maintain a fixed angle of attack throughout its operation, which means that the pitch, or the angle of the blades relative to the oncoming water or air, does not change. This design offers several advantages and some limitations that are important to understand for those involved in the design and operation of propulsion systems.The primary advantage of a constant pitch propeller is its simplicity. Unlike variable pitch propellers, which require complex mechanisms to adjust the blade angle during operation, a constant pitch propeller operates with a straightforward design. This simplicity often leads to lower manufacturing and maintenance costs, making it an attractive option for many applications. Additionally, because there are fewer moving parts, the reliability of a constant pitch propeller is generally higher, reducing the risk of mechanical failure during operation.Another significant benefit of using a constant pitch propeller is its efficiency at a specific operating speed. When an aircraft or a vessel is cruising at a consistent speed, a constant pitch propeller can provide optimal thrust without unnecessary energy loss. This makes it particularly suitable for applications where speed is constant, such as in certain types of commercial shipping or fixed-wing aircraft flying at steady altitudes.However, the limitations of a constant pitch propeller cannot be overlooked. One of the main drawbacks is its lack of versatility. Since the pitch is fixed, the propeller may not perform efficiently across a range of speeds. For example, during takeoff or when a vessel is maneuvering in tight spaces, a different pitch may be more advantageous to achieve better thrust and control. In such scenarios, a variable pitch propeller might be preferred due to its ability to adjust to changing conditions dynamically.Moreover, a constant pitch propeller can lead to reduced performance in situations where rapid acceleration or deceleration is required. The fixed pitch may not allow for the most efficient conversion of engine power into thrust under varying load conditions, which can affect overall performance. Therefore, while a constant pitch propeller is excellent for specific applications, it is essential to assess the operational requirements before selecting this type of propeller.In conclusion, the constant pitch propeller (常量桨距螺旋桨) is a key component in the field of propulsion systems, known for its simplicity and reliability. Its fixed pitch design makes it ideal for certain applications where speed is constant and efficiency is paramount. However, it is crucial to consider its limitations, particularly its lack of adaptability to varying operational conditions. Understanding these factors will enable engineers and operators to make informed decisions about the best propeller type for their specific needs, ensuring optimal performance and efficiency in their operations.

在航空和海洋工程的世界中，螺旋桨的选择可以显著影响飞机或船只的性能和效率。一种备受关注的螺旋桨类型是常量桨距螺旋桨。常量桨距螺旋桨（constant pitch propeller）设计为在操作过程中保持固定的攻角，这意味着叶片相对于来流水或空气的角度不会变化。这种设计提供了几个优势和一些限制，对于参与推进系统设计和操作的人来说，理解这些是重要的。常量桨距螺旋桨的主要优点是其简单性。与需要复杂机制在操作过程中调整叶片角度的可变桨距螺旋桨不同，常量桨距螺旋桨以简单的设计运行。这种简单性通常导致较低的制造和维护成本，使其成为许多应用的吸引选项。此外，由于移动部件较少，常量桨距螺旋桨的可靠性通常较高，降低了在操作过程中机械故障的风险。使用常量桨距螺旋桨的另一个显著好处是在特定操作速度下的效率。当飞机或船只以恒定速度巡航时，常量桨距螺旋桨可以在不必要的能量损失情况下提供最佳推力。这使其特别适合某些类型的商业航运或在稳定高度飞行的固定翼飞机等应用。然而，常量桨距螺旋桨的局限性也不容忽视。主要缺点之一是其缺乏多功能性。由于桨距固定，螺旋桨可能无法在不同速度下高效运行。例如，在起飞或船只在狭窄空间内机动时，不同的桨距可能更有利于实现更好的推力和控制。在这种情况下，由于其能够动态适应变化条件，可变桨距螺旋桨可能更受欢迎。此外，常量桨距螺旋桨在需要快速加速或减速的情况下可能导致性能下降。固定的桨距可能无法在不同负载条件下最有效地将发动机功率转化为推力，这可能影响整体性能。因此，尽管常量桨距螺旋桨非常适合特定应用，但在选择这种类型的螺旋桨之前，评估操作要求是至关重要的。总之，常量桨距螺旋桨（constant pitch propeller）是推进系统领域的关键组件，以其简单性和可靠性而闻名。其固定的桨距设计使其非常适合在速度恒定和效率至关重要的特定应用。然而，考虑到其局限性，特别是其在变化操作条件下的适应能力不足是至关重要的。理解这些因素将使工程师和操作人员能够就特定需求选择最佳的螺旋桨类型做出明智的决策，从而确保其操作的最佳性能和效率。