aerodynamic noise

简明释义

空体动力噪声

英英释义

例句

1.The sports car's sleek design helps reduce aerodynamic noise at high speeds.

这款跑车的流线型设计有助于在高速行驶时减少气动噪声。

2.In aircraft design, minimizing aerodynamic noise is crucial for passenger comfort.

在飞机设计中，最小化气动噪声对乘客舒适度至关重要。

3.The engineers are working on reducing the aerodynamic noise to improve the vehicle's performance.

工程师们正在努力减少气动噪声以提高车辆的性能。

4.The new wind turbine features blades designed to decrease aerodynamic noise during operation.

新的风力涡轮机配备了旨在降低运行时气动噪声的叶片。

5.Researchers are studying how aerodynamic noise affects marine life near busy shipping lanes.

研究人员正在研究气动噪声如何影响繁忙航道附近的海洋生物。

作文

In the world of engineering and aerodynamics, aerodynamic noise refers to the sound generated by the movement of air around solid objects, particularly at high speeds. This phenomenon is not only fascinating but also critical in various fields, including aviation, automotive design, and even sports. Understanding aerodynamic noise can lead to significant improvements in performance and comfort for vehicles and aircraft alike.When an object moves through the air, it displaces air particles, creating pressure changes that manifest as sound waves. These sounds can be classified into different types, such as tonal noise, broadband noise, and impulsive noise. Each type has its own characteristics and is influenced by factors like the shape of the object, its speed, and the texture of its surface. For example, a smooth, streamlined vehicle generates less aerodynamic noise compared to a boxy, rough-surfaced one. This is why engineers invest considerable time in designing shapes that minimize drag and optimize airflow.In aviation, aerodynamic noise is a major concern for both aircraft manufacturers and airport authorities. As planes take off and land, they produce significant noise that can affect communities near airports. The aviation industry has made strides in reducing aerodynamic noise through advancements in wing design and engine technology. For instance, quieter engines and specially designed winglets help reduce the noise footprint of an aircraft, making air travel more acceptable to those living close to airports.Similarly, in the automotive industry, aerodynamic noise plays a crucial role in the overall driving experience. High-performance cars, in particular, are designed to cut through the air efficiently, which not only enhances speed but also reduces unwanted sound. Engineers often use computational fluid dynamics (CFD) simulations to predict how air will flow around a vehicle and identify areas where noise can be minimized. This process allows for the creation of vehicles that are not only faster but also quieter, providing a more enjoyable ride for passengers.Moreover, aerodynamic noise is not limited to just vehicles and aircraft; it also affects various sports. For example, in cycling, the design of helmets and clothing can significantly impact how much noise a cyclist experiences at high speeds. Cyclists often seek gear that minimizes aerodynamic noise, allowing them to focus on their performance without the distraction of wind noise. Similarly, in motorsports, teams work tirelessly to optimize car designs to ensure that they are not only fast but also quiet, giving drivers a better auditory experience during races.In conclusion, aerodynamic noise is a multifaceted topic that intersects with various industries and disciplines. By understanding the principles behind it, engineers and designers can create more efficient, quieter vehicles and products. As technology continues to advance, the quest to reduce aerodynamic noise will remain a priority, enhancing our experiences in transportation and recreation. Whether in the skies or on the roads, the pursuit of quieter, more efficient designs will continue to shape the future of engineering and design.

在工程和空气动力学的世界中，aerodynamic noise（空气动力噪音）指的是物体高速运动时，空气流动产生的声音。这一现象不仅令人着迷，而且在航空、汽车设计甚至体育等多个领域至关重要。理解aerodynamic noise可以显著改善车辆和飞机的性能与舒适度。当物体穿过空气时，会位移空气粒子，造成压力变化，进而形成声波。这些声音可以分为不同类型，如音调噪声、宽频噪声和冲击噪声。每种类型都有其特征，并受到物体形状、速度和表面纹理等因素的影响。例如，光滑、流线型的车辆产生的aerodynamic noise较少，而方形、粗糙表面的车辆则产生更多噪声。因此，工程师花费大量时间设计能最小化阻力和优化气流的形状。在航空领域，aerodynamic noise是飞机制造商和机场管理者主要关注的问题。当飞机起飞和降落时，会产生显著的噪声，这可能会影响机场附近的社区。航空工业通过机翼设计和发动机技术的进步，已在减少aerodynamic noise方面取得了进展。例如，更安静的发动机和特别设计的翼尖有助于降低飞机的噪声足迹，使航空旅行对生活在机场附近的人们更易接受。同样，在汽车工业中，aerodynamic noise在整体驾驶体验中也发挥着至关重要的作用。尤其是高性能汽车，旨在高效地切割空气，不仅提高速度，还减少不必要的声音。工程师们通常使用计算流体动力学（CFD）模拟来预测空气如何流动并围绕车辆移动，从而识别噪声可以减少的区域。这一过程使得能够创造出不仅更快而且更安静的车辆，为乘客提供更愉悦的乘坐体验。此外，aerodynamic noise并不仅限于车辆和飞机，它还影响各种体育运动。例如，在自行车比赛中，头盔和服装的设计会显著影响骑行者在高速下所经历的噪声。骑行者通常寻求能够减少aerodynamic noise的装备，使他们能够专注于表现，而不受风噪声的干扰。同样，在赛车运动中，车队努力优化汽车设计，以确保它们不仅快速而且安静，为车手在比赛期间提供更好的听觉体验。总之，aerodynamic noise是一个多方面的话题，与多个行业和学科交叉。通过理解其背后的原理，工程师和设计师可以创造出更高效、更安静的车辆和产品。随着技术的不断进步，减少aerodynamic noise的追求将继续成为优先事项，提升我们在交通和休闲中的体验。无论是在天空还是在道路上，追求更安静、更高效的设计将继续塑造工程和设计的未来。