drag area

简明释义

阻力面积

英英释义

例句

1.In car racing, engineers often focus on reducing the drag area 阻力面积 to enhance speed.

在赛车中，工程师们通常专注于减少drag area 阻力面积以提高速度。

2.When designing drones, engineers must consider the drag area 阻力面积 to optimize flight time.

在设计无人机时，工程师必须考虑drag area 阻力面积以优化飞行时间。

3.The pilot adjusted the aircraft's design to minimize the drag area 阻力面积 and improve fuel efficiency.

飞行员调整了飞机的设计，以最小化drag area 阻力面积，提高燃油效率。

4.The yacht's hull was designed with a streamlined shape to decrease the drag area 阻力面积 in water.

这艘游艇的船体设计成流线型，以减少水中的drag area 阻力面积。

5.A larger drag area 阻力面积 can lead to slower speeds and higher fuel consumption in vehicles.

较大的drag area 阻力面积会导致车辆速度变慢和更高的燃油消耗。

作文

In the field of aerodynamics, understanding the concept of drag area is crucial for engineers and designers who work on aircraft, automobiles, and other vehicles that move through the air. The term drag area refers to a specific measurement that combines both the coefficient of drag and the reference area of an object. This measurement helps in quantifying the aerodynamic resistance that an object experiences as it moves through a fluid, such as air.To elaborate, the coefficient of drag is a dimensionless number that represents the drag per unit area of an object. It varies based on the shape of the object and the flow conditions around it. On the other hand, the reference area is usually the frontal area of the object, which is the projected area when viewed from the front. By multiplying these two factors, we arrive at the drag area, which is typically expressed in square meters (m²).The significance of drag area cannot be overstated in the design process of any vehicle. For instance, in aviation, reducing the drag area can lead to improved fuel efficiency, greater speed, and enhanced overall performance of the aircraft. Engineers strive to create streamlined shapes that minimize turbulence and, consequently, the drag area. Similarly, in the automotive industry, manufacturers focus on designing cars with sleek profiles to reduce the drag area, which in turn improves fuel economy and handling.Moreover, the drag area plays a vital role in performance calculations. When testing a new vehicle or aircraft, engineers use wind tunnel experiments to measure the drag area under various conditions. The data collected helps in refining the designs and making informed decisions about modifications needed to enhance performance.In addition to its applications in vehicle design, the concept of drag area also extends to sports equipment, such as bicycles and racing suits. Athletes and manufacturers are increasingly aware of how drag area affects performance. Cyclists, for example, often wear specially designed suits that minimize their drag area to achieve higher speeds during races.Furthermore, the drag area is not only important for high-speed vehicles but also for everyday objects. For example, the drag area of a building can influence wind loads and structural integrity. Architects and engineers must consider the drag area when designing tall structures to ensure they can withstand strong winds without compromising safety.In conclusion, the concept of drag area is integral to various fields, including aerodynamics, automotive design, and even architecture. Understanding and optimizing the drag area leads to improved efficiency, performance, and safety. As technology continues to advance, the importance of minimizing drag area will only grow, pushing engineers and designers to innovate and create more efficient designs that meet the demands of modern transportation and construction.

在空气动力学领域，理解“阻力面积”这一概念对从事飞机、汽车及其他通过空气移动的车辆的工程师和设计师来说至关重要。术语“阻力面积”指的是一个特定的测量，它结合了阻力系数和物体的参考面积。这一测量有助于量化物体在流体（如空气）中移动时所经历的空气动力阻力。具体而言，阻力系数是一个无量纲数，表示物体单位面积的阻力。它根据物体的形状和周围流动条件而变化。另一方面，参考面积通常是物体的正投影面积，即从前方视角看到的投影面积。通过将这两个因素相乘，我们得出“阻力面积”，通常以平方米（m²）表示。“阻力面积”的重要性在任何车辆的设计过程中都不可低估。例如，在航空领域，减少“阻力面积”可以提高燃油效率、增加速度并增强飞机的整体性能。工程师们努力创造流线型的形状，以最小化湍流，从而降低“阻力面积”。同样，在汽车工业中，制造商关注设计流线型车身，以减少“阻力面积”，从而改善燃油经济性和操控性。此外，“阻力面积”在性能计算中也扮演着重要角色。在测试新车辆或飞机时，工程师使用风洞实验来测量不同条件下的“阻力面积”。收集的数据有助于优化设计，并就需要进行的改进做出明智的决策。除了在车辆设计中的应用外，“阻力面积”的概念还扩展到运动器材，如自行车和赛车服。运动员和制造商越来越意识到“阻力面积”对性能的影响。例如，自行车运动员通常穿着专门设计的紧身衣，以最小化他们的“阻力面积”，在比赛中获得更高的速度。此外，“阻力面积”不仅对高速车辆重要，对日常物体也同样重要。例如，一栋建筑的“阻力面积”可能会影响风载荷和结构完整性。建筑师和工程师在设计高层建筑时必须考虑“阻力面积”，以确保它们能够承受强风而不影响安全。总之，“阻力面积”的概念对于多个领域至关重要，包括空气动力学、汽车设计甚至建筑学。理解和优化“阻力面积”能够提高效率、性能和安全性。随着技术的不断进步，减少“阻力面积”的重要性只会增加，推动工程师和设计师创新，创造出更高效的设计，以满足现代交通和建筑的需求。