propeller lifting line

简明释义

螺旋桨升力线

英英释义

例句

1.The propeller lifting line 螺旋桨升力线 model helps predict the performance of marine propellers.

该 螺旋桨升力线 propeller lifting line 模型有助于预测海洋螺旋桨的性能。

2.Engineers used computational fluid dynamics to simulate the propeller lifting line 螺旋桨升力线 in various flight conditions.

工程师使用计算流体动力学模拟了不同飞行条件下的 螺旋桨升力线 propeller lifting line。

3.The design of the aircraft was optimized by analyzing the propeller lifting line 螺旋桨升力线 characteristics.

通过分析 螺旋桨升力线 propeller lifting line 特性，优化了飞机的设计。

4.Understanding the propeller lifting line 螺旋桨升力线 theory is crucial for improving propeller efficiency.

理解 螺旋桨升力线 propeller lifting line 理论对于提高螺旋桨效率至关重要。

5.During the test flight, we measured the effects of the propeller lifting line 螺旋桨升力线 on overall lift.

在测试飞行中，我们测量了 螺旋桨升力线 propeller lifting line 对整体升力的影响。

作文

In the world of aerodynamics and fluid mechanics, understanding the forces acting on a propeller is crucial for designing efficient propulsion systems. One of the key concepts in this field is the propeller lifting line, which plays a significant role in determining the performance of a propeller. The propeller lifting line refers to an imaginary line that represents the distribution of lift along the blades of the propeller as it rotates through the air. Each section of the blade generates lift, similar to how an airplane wing operates, but the dynamics are more complex due to the rotation and interaction with the surrounding fluid. When a propeller spins, the angle at which the blades meet the oncoming air changes, affecting the amount of lift produced. The propeller lifting line helps engineers visualize and calculate this lift distribution, allowing them to optimize the design of the blades for maximum efficiency. By analyzing the propeller lifting line, engineers can determine how changes in blade shape, pitch, and rotation speed impact overall performance. This analysis is essential for applications ranging from small drones to large aircraft, where fuel efficiency and thrust are critical. Moreover, the propeller lifting line concept is not only limited to traditional propellers but also extends to modern vertical take-off and landing (VTOL) vehicles. These vehicles often utilize multiple rotors or propellers, and understanding the interactions between the propeller lifting lines of each rotor is vital for stability and control. Engineers must consider how the lift generated by one rotor affects the others, especially in confined spaces or during maneuvers. The mathematical representation of the propeller lifting line often involves advanced fluid dynamics equations, which can be quite complex. Computational fluid dynamics (CFD) simulations are commonly used to model the behavior of propellers in various conditions. These simulations allow researchers to visualize the flow around the propeller and assess how effectively the propeller lifting line generates thrust. In conclusion, the propeller lifting line is a fundamental concept in the study of propeller dynamics and aerodynamics. It provides valuable insights into how lift is generated and distributed along the blades of a propeller. By mastering the principles surrounding the propeller lifting line, engineers can design more efficient and effective propulsion systems, ultimately leading to advancements in aviation technology. Understanding this concept is essential for anyone involved in aerospace engineering or related fields, as it forms the basis for many innovations in flight mechanics and propulsion design.

在空气动力学和流体力学的世界中，理解作用于螺旋桨的力对于设计高效的推进系统至关重要。这个领域的一个关键概念是螺旋桨升力线，它在确定螺旋桨性能方面发挥着重要作用。螺旋桨升力线指的是一条虚拟线，代表了在螺旋桨旋转通过空气时，沿着螺旋桨叶片的升力分布。螺旋桨的每个部分都会产生升力，类似于飞机机翼的工作原理，但由于旋转和与周围流体的相互作用，这种动态更加复杂。当螺旋桨旋转时，叶片与迎面而来的空气相遇的角度发生变化，从而影响产生的升力大小。螺旋桨升力线帮助工程师可视化和计算这种升力分布，使他们能够优化叶片的设计以获得最大的效率。通过分析螺旋桨升力线，工程师可以确定叶片形状、桨距和旋转速度的变化如何影响整体性能。这种分析对于从小型无人机到大型飞机的应用至关重要，因为燃油效率和推力是关键因素。此外，螺旋桨升力线的概念不仅限于传统螺旋桨，还扩展到现代垂直起降（VTOL）飞行器。这些飞行器通常利用多个转子或螺旋桨，理解每个转子的螺旋桨升力线之间的相互作用对稳定性和控制至关重要。工程师必须考虑一个转子产生的升力如何影响其他转子，尤其是在狭小空间或机动过程中。螺旋桨升力线的数学表示通常涉及复杂的流体动力学方程，这可能相当复杂。计算流体动力学（CFD）模拟通常用于建模螺旋桨在各种条件下的行为。这些模拟使研究人员能够可视化螺旋桨周围的流动，并评估螺旋桨升力线生成推力的有效性。总之，螺旋桨升力线是研究螺旋桨动力学和空气动力学的基本概念。它提供了关于升力是如何在螺旋桨叶片上生成和分布的重要见解。通过掌握围绕螺旋桨升力线的原则，工程师可以设计出更高效、更有效的推进系统，最终推动航空技术的发展。理解这一概念对于任何参与航空航天工程或相关领域的人来说都是至关重要的，因为它构成了飞行力学和推进设计许多创新的基础。