vortex generator

简明释义

旋涡发生器

英英释义

例句

1.The vortex generator helps to delay flow separation over the wing.

该涡流发生器有助于延迟翼面的气流分离。

2.Engineers designed a new vortex generator to enhance fuel efficiency in vehicles.

工程师们设计了一种新的涡流发生器，以提高车辆的燃油效率。

3.The aircraft's performance improved significantly after the installation of the vortex generator.

在安装了涡流发生器后，飞机的性能显著提升。

4.Adding a vortex generator to the tail of the boat improved its maneuverability.

在船尾添加一个涡流发生器提高了其操控性。

5.In wind tunnel tests, the vortex generator created a more stable airflow.

在风洞测试中，涡流发生器创造了更稳定的气流。

作文

In the world of aerodynamics, the term vortex generator refers to a small aerodynamic device that is used to improve the performance of an aircraft by controlling the flow of air over its wings and other surfaces. These devices are typically mounted on the wings or fuselage and work by creating controlled vortices, which help to delay airflow separation. This process is crucial for maintaining lift and reducing drag, ultimately enhancing the overall efficiency of the aircraft. The concept of a vortex generator can be traced back to the early days of aviation, where engineers sought ways to optimize flight performance. The effectiveness of a vortex generator lies in its ability to manipulate the airflow around the aircraft. By generating small vortices, these devices help to keep the boundary layer of air attached to the wing surface for a longer distance. This is especially important during high angles of attack, where the risk of stalling increases. When the airflow remains attached, it allows for better control and maneuverability, which is vital for both commercial and military aircraft. Moreover, vortex generators are not limited to just aircraft; they can also be found in various applications, including automobiles and wind turbines. In cars, for instance, they can be used to reduce drag and improve fuel efficiency by optimizing airflow around the vehicle's body. Similarly, in wind turbines, vortex generators help to enhance the performance of the blades by ensuring that the wind flows smoothly over their surfaces. The design and placement of vortex generators are critical factors that determine their effectiveness. Engineers must carefully consider the size, shape, and orientation of these devices to achieve the desired aerodynamic benefits. For example, larger vortex generators may produce stronger vortices, but they can also add weight and drag if not designed properly. Therefore, a balance must be struck between performance enhancement and overall efficiency. In recent years, advancements in computational fluid dynamics (CFD) have allowed engineers to simulate and analyze the effects of vortex generators with greater accuracy. This technology has made it easier to predict how changes in design will impact airflow and performance, leading to more innovative and effective solutions in aerodynamics. As a result, the use of vortex generators has become increasingly sophisticated, with applications expanding beyond traditional aviation into new fields such as renewable energy and automotive engineering. In conclusion, the vortex generator is a small yet powerful tool in the realm of aerodynamics. Its ability to influence airflow and improve performance makes it an essential component in various industries. As technology continues to evolve, the role of vortex generators will likely expand, leading to even greater advancements in efficiency and performance across multiple applications.

在空气动力学的世界中，术语涡流发生器指的是一种小型空气动力设备，用于通过控制空气在机翼和其他表面上的流动来改善飞机的性能。这些设备通常安装在机翼或机身上，通过产生受控的涡流来工作，有助于延迟气流分离。这个过程对于维持升力和减少阻力至关重要，最终增强了飞机的整体效率。涡流发生器的概念可以追溯到航空早期，当时工程师们寻求优化飞行性能的方法。涡流发生器的有效性在于它能够操控飞机周围的气流。通过产生小型涡流，这些设备有助于使空气的边界层在更长的距离内附着在机翼表面上。这在高攻角期间尤为重要，因为此时失速的风险增加。当气流保持附着时，它允许更好的控制和机动性，这对商业和军用飞机都是至关重要的。此外，涡流发生器不仅限于飞机；它们还可以在各种应用中找到，包括汽车和风力涡轮机。例如，在汽车中，它们可以通过优化车辆周围的气流来减少阻力并提高燃油效率。同样，在风力涡轮机中，涡流发生器有助于增强叶片的性能，确保风平稳地流过其表面。涡流发生器的设计和放置是决定其有效性的关键因素。工程师必须仔细考虑这些设备的大小、形状和方向，以实现所需的空气动力学效益。例如，较大的涡流发生器可能会产生更强的涡流，但如果设计不当，也可能增加重量和阻力。因此，必须在性能提升和整体效率之间取得平衡。近年来，计算流体动力学（CFD）的进步使工程师能够更准确地模拟和分析涡流发生器的效果。这项技术使得预测设计变化对气流和性能的影响变得更加容易，从而导致空气动力学领域更具创新性和有效的解决方案。因此，涡流发生器的使用变得越来越复杂，应用范围也从传统航空扩展到可再生能源和汽车工程等新领域。总之，涡流发生器是在空气动力学领域中一种小而强大的工具。它影响气流并改善性能的能力使其成为多个行业的重要组成部分。随着技术的不断发展，涡流发生器的作用可能会进一步扩大，导致在多个应用中效率和性能的更大进步。