vortex generator

简明释义

涡流发生器

英英释义

例句

1.The engineer explained how the vortex generators help reduce drag on the wings.

工程师解释了涡流发生器如何帮助减少机翼的阻力。

2.In wind tunnel tests, the vortex generator provided better flow attachment.

在风洞测试中，涡流发生器提供了更好的气流附着。

3.Adding vortex generators to the roof can improve the stability of high-profile vehicles.

在车顶添加涡流发生器可以提高高车身车辆的稳定性。

4.Many modern cars are equipped with vortex generators to enhance aerodynamics.

许多现代汽车配备了涡流发生器以增强空气动力学性能。

5.The aircraft's performance improved significantly after installing the vortex generator.

在安装了涡流发生器后，飞机的性能显著提高。

作文

In the field of aerodynamics, one of the most fascinating devices is the vortex generator, which plays a crucial role in enhancing the performance of various vehicles, particularly aircraft. A vortex generator is a small aerodynamic device that is designed to create controlled vortices in the airflow around an object. These vortices help to maintain attached flow over the wings and control surfaces, thereby improving lift and reducing drag. The principle behind a vortex generator is relatively simple; by disrupting the smooth flow of air, it encourages the air to stay attached to the surface of the wing for a longer period, which can be particularly beneficial during high angles of attack when stall conditions are likely to occur.The application of vortex generators is not limited to aviation alone. They are also used in automotive design, where they can enhance the stability and performance of vehicles at high speeds. By strategically placing vortex generators on the body of a car, engineers can improve airflow, reduce drag, and enhance fuel efficiency. This is especially important in racing cars, where every fraction of a second counts, and any improvement in aerodynamics can lead to better lap times.Moreover, vortex generators have found their way into various industrial applications as well. In wind turbines, for instance, they can be employed to optimize the airflow over the blades, thus increasing energy efficiency and overall power output. By creating vortices that reduce turbulence, vortex generators help in maximizing the lift generated by the turbine blades, leading to more effective energy conversion from wind to electricity.The effectiveness of a vortex generator largely depends on its design and placement. Typically, these devices are small fins or tabs that can be mounted on the surfaces of wings, fuselage, or even the tail sections of an aircraft. The size, shape, and angle of these generators can significantly influence their performance. Engineers often use computational fluid dynamics (CFD) simulations to optimize the design and positioning of vortex generators before implementing them in real-world scenarios.In conclusion, the vortex generator is a remarkable example of how a small modification can lead to significant improvements in performance across various fields. Whether it’s in aviation, automotive engineering, or renewable energy, the role of vortex generators cannot be underestimated. They illustrate the importance of understanding fluid dynamics and applying that knowledge to solve real-world problems. As technology continues to advance, we can expect to see even more innovative uses for vortex generators in the future, paving the way for more efficient and sustainable designs in multiple industries.

在空气动力学领域，最迷人的设备之一就是涡流发生器，它在提高各种交通工具，特别是飞机的性能方面发挥着至关重要的作用。涡流发生器是一种小型空气动力设备，旨在在物体周围的气流中产生受控涡流。这些涡流有助于保持机翼和控制面上的附着流，从而提高升力并减少阻力。涡流发生器背后的原理相对简单；通过扰动平滑的空气流动，它鼓励空气在机翼表面上停留更长时间，这在高攻角时尤为有益，因为此时容易出现失速情况。涡流发生器的应用不仅限于航空领域。它们也被用于汽车设计中，在高速行驶时可以增强车辆的稳定性和性能。通过在汽车的车身上战略性地放置涡流发生器，工程师可以改善气流，减少阻力，提高燃油效率。这在赛车中尤其重要，因为每一分秒都至关重要，空气动力学的任何改进都可能导致更好的圈速。此外，涡流发生器还进入了各种工业应用。例如，在风力涡轮机中，它们可以用来优化气流在叶片上的流动，从而提高能量效率和整体功率输出。通过产生减少湍流的涡流，涡流发生器有助于最大化涡轮叶片产生的升力，从而更有效地将风能转换为电能。涡流发生器的有效性在很大程度上取决于其设计和位置。通常，这些装置是可以安装在机翼、机身甚至飞机尾部的小鳍或小片。这些发生器的大小、形状和角度会显著影响其性能。工程师们常常使用计算流体动力学（CFD）模拟来优化涡流发生器的设计和位置，然后再在现实场景中实施。总之，涡流发生器是一个出色的例子，展示了小的修改如何在多个领域带来显著的性能提升。无论是在航空、汽车工程还是可再生能源领域，涡流发生器的作用都不可低估。它们展示了理解流体动力学的重要性，并将这一知识应用于解决现实问题。随着技术的不断进步，我们可以期待未来在多个行业中看到更多创新的涡流发生器应用，为更高效和可持续的设计铺平道路。