air propeller

简明释义

空气推进器

英英释义

例句

1.In aviation, the efficiency of an air propeller can significantly affect fuel consumption.

在航空领域，空气螺旋桨的效率可以显著影响燃料消耗。

2.The small boat was powered by an air propeller, which allowed it to glide smoothly over the water.

这艘小船由一个空气螺旋桨驱动，使它能够平稳地在水面上滑行。

3.You need to regularly check the air propeller on your model airplane to ensure it is functioning properly.

你需要定期检查模型飞机上的空气螺旋桨，以确保其正常运转。

4.The air propeller spins at high speeds, creating thrust that lifts the aircraft off the ground.

空气螺旋桨以高速旋转，产生推力，使飞机离开地面。

5.The drone's air propeller design was optimized for better lift and stability during flight.

这款无人机的空气螺旋桨设计经过优化，以提高飞行时的升力和稳定性。

作文

In the world of aviation and marine engineering, the term air propeller refers to a type of device that converts rotational energy into thrust. This mechanism is critical in enabling aircraft and some types of boats to achieve lift and move through the air or water efficiently. The air propeller consists of blades that rotate around a central hub, generating a pressure difference that propels the vehicle forward. Understanding how an air propeller works is essential for anyone interested in the fields of aerodynamics and propulsion systems.The design of an air propeller is based on principles of fluid dynamics. As the blades turn, they push air downwards, which in turn creates an upward force known as lift. This principle is similar to how a wing generates lift but occurs in a different context. The efficiency of an air propeller is influenced by several factors, including blade shape, angle of attack, and rotational speed. Engineers spend a considerable amount of time optimizing these factors to ensure that the air propeller performs at its best under various flight conditions.One of the most fascinating aspects of air propellers is their versatility. They are used in a wide range of applications, from small drones to large commercial airplanes. For instance, in small aircraft, a fixed-pitch air propeller is often used, which means the angle of the blades cannot be changed during flight. In contrast, larger planes typically utilize variable-pitch air propellers, allowing pilots to adjust the blade angle to optimize performance during different phases of flight, such as takeoff, cruising, and landing.In addition to their use in aviation, air propellers also play a significant role in marine environments. Many boats and submarines employ air propellers or similar devices to navigate through water. These propellers operate on the same basic principles, pushing water backward to create forward motion. The adaptation of air propellers for underwater use demonstrates their fundamental importance in both air and water travel.Moreover, advancements in technology have led to the development of more efficient and quieter air propellers. Noise pollution is a significant concern in urban areas, especially with the rise of drone technology and urban air mobility solutions. Engineers are now focusing on creating air propellers that minimize noise while maximizing efficiency, ensuring that future generations can enjoy the benefits of aviation without the associated disturbances.In conclusion, the air propeller is a remarkable invention that has transformed the way we travel by air and sea. Its ability to generate thrust through the principles of fluid dynamics has made it indispensable in modern engineering. As technology continues to evolve, the air propeller will likely undergo further innovations, paving the way for more efficient and sustainable modes of transportation. Understanding the mechanics and applications of the air propeller not only enriches our knowledge of engineering but also highlights the importance of innovation in addressing the challenges of modern travel.

在航空和海洋工程的世界中，术语air propeller指的是一种将旋转能量转换为推力的装置。这种机制对于使飞机和某些类型的船只有效地实现升力和在空气或水中移动至关重要。air propeller由围绕中心轴旋转的叶片组成，产生压力差，从而推动车辆向前移动。理解air propeller的工作原理对任何对空气动力学和推进系统感兴趣的人来说都是必不可少的。air propeller的设计基于流体动力学的原理。当叶片旋转时，它们将空气向下推，这反过来又产生了称为升力的向上力。这个原理与机翼产生升力的方式相似，但发生在不同的背景下。air propeller的效率受到多个因素的影响，包括叶片形状、迎角和旋转速度。工程师花费大量时间优化这些因素，以确保air propeller在各种飞行条件下表现最佳。air propellers最引人入胜的方面之一是它们的多功能性。它们被广泛应用于从小型无人机到大型商用飞机的各种应用中。例如，在小型飞机中，通常使用固定螺距的air propeller，这意味着在飞行过程中叶片的角度不能改变。相比之下，更大的飞机通常利用可变螺距的air propellers，允许飞行员在不同的飞行阶段（如起飞、巡航和着陆）调整叶片角度以优化性能。除了在航空中的应用外，air propellers在海洋环境中也发挥着重要作用。许多船只和潜艇使用air propellers或类似装置在水中导航。这些螺旋桨的工作原理与在空气中的基本原理相同，通过向后推动水来产生向前运动。air propellers在水下使用的适应性展示了它们在空中和水上旅行中的基本重要性。此外，技术的进步导致了更高效和更安静的air propellers的发展。噪音污染在城市地区是一个重大问题，尤其是随着无人机技术和城市空中出行解决方案的兴起。工程师们现在专注于创造在最大化效率的同时减少噪音的air propellers，确保未来几代人能够享受航空的好处，而不伴随相关的干扰。总之，air propeller是一项了不起的发明，它改变了我们通过空气和海洋旅行的方式。它通过流体动力学的原理生成推力的能力使其在现代工程中不可或缺。随着技术的不断发展，air propeller可能会经历进一步的创新，为更高效和可持续的交通方式铺平道路。理解air propeller的机制和应用不仅丰富了我们对工程的知识，还突显了创新在应对现代旅行挑战中的重要性。