aerodynamic drag

简明释义

气动阻力

英英释义

例句

1.The airplane's wings were designed to minimize aerodynamic drag 空气动力阻力 during flight.

飞机的机翼设计旨在最小化aerodynamic drag 空气动力阻力。

2.Reducing aerodynamic drag 空气动力阻力 is crucial for high-speed trains to maintain efficiency.

减少aerodynamic drag 空气动力阻力 对于高速列车保持效率至关重要。

3.Engineers use wind tunnels to test how different shapes affect aerodynamic drag 空气动力阻力.

工程师使用风洞来测试不同形状如何影响aerodynamic drag 空气动力阻力。

4.Cyclists often wear tight clothing to minimize aerodynamic drag 空气动力阻力 during races.

自行车手在比赛中通常穿着紧身衣，以最小化aerodynamic drag 空气动力阻力。

5.The design of the car was optimized to reduce aerodynamic drag 空气动力阻力, improving fuel efficiency.

这款车的设计经过优化，以减少aerodynamic drag 空气动力阻力，提高燃油效率。

作文

Aerodynamics is a fascinating field of study that examines the behavior of air as it interacts with solid objects. One of the key concepts in aerodynamics is aerodynamic drag, which refers to the resistance an object experiences as it moves through air. Understanding aerodynamic drag is crucial for various applications, from designing efficient vehicles to improving the performance of aircraft and even optimizing sports equipment.When a vehicle moves through the air, it displaces air molecules, creating a force that opposes its motion. This opposing force is what we call aerodynamic drag. There are several factors that influence the amount of drag experienced by an object, including its shape, speed, and surface texture. For instance, a streamlined shape, like that of a bullet or a fish, can significantly reduce aerodynamic drag, allowing it to move more efficiently through the air.In the automotive industry, engineers strive to minimize aerodynamic drag to improve fuel efficiency. A car with a high drag coefficient will consume more fuel, especially at higher speeds, compared to a car designed with aerodynamics in mind. This is why many modern cars feature sleek designs, smooth contours, and rear spoilers that help reduce aerodynamic drag. By optimizing these factors, manufacturers can create vehicles that are not only faster but also more economical and environmentally friendly.In aviation, aerodynamic drag plays a critical role in flight performance. Aircraft are designed to be as aerodynamic as possible to reduce drag, which in turn allows them to fly more efficiently and save on fuel costs. Pilots and engineers pay close attention to aerodynamic drag during the design and testing phases of an aircraft's development. Innovations such as winglets and advanced materials have been implemented to further reduce drag and enhance overall performance.Sports also benefit from understanding aerodynamic drag. Cyclists, for example, wear tight-fitting clothing and use specially designed helmets to minimize resistance as they race against the clock. The goal is to achieve the highest possible speed with the least amount of energy expenditure. In swimming, athletes utilize streamlined positions and advanced swimwear technology to cut through water more effectively, reducing both water resistance and aerodynamic drag when transitioning from water to air.The principles of aerodynamic drag extend beyond just vehicles and sports; they are also relevant in architecture and engineering. Buildings designed with aerodynamic principles can withstand strong winds better and reduce energy consumption for heating and cooling. Wind turbines are another example where minimizing aerodynamic drag can lead to increased efficiency and energy production.In conclusion, aerodynamic drag is a fundamental concept in the study of aerodynamics that has far-reaching implications across various fields. Whether it is in the design of cars, airplanes, sports gear, or buildings, understanding how to manage and reduce aerodynamic drag can lead to improved performance, efficiency, and sustainability. As technology advances, the exploration of aerodynamic drag will continue to play a vital role in innovation and the development of new solutions to meet the challenges of our world.

空气动力学是一个迷人的研究领域，研究空气与固体物体相互作用时的行为。空气动力学中的一个关键概念是aerodynamic drag，指的是物体在空气中移动时所经历的阻力。理解aerodynamic drag对于各种应用至关重要，从设计高效的车辆到改善飞机的性能，甚至优化运动器材。当一辆车在空气中移动时，它会排开空气分子，产生一种与其运动方向相反的力量。这种反向力量就是我们所称的aerodynamic drag。影响物体所经历的阻力的因素有很多，包括其形状、速度和表面纹理。例如，流线型的形状，如子弹或鱼的形状，可以显著减少aerodynamic drag，使其在空气中更有效地移动。在汽车工业中，工程师努力降低aerodynamic drag以提高燃油效率。具有较高阻力系数的汽车在高速行驶时会消耗更多燃料，而与之相比，经过空气动力学设计的汽车则会更省油。这就是为什么许多现代汽车采用流线型设计、光滑轮廓和后扰流板来帮助减少aerodynamic drag。通过优化这些因素，制造商可以创造出不仅速度更快而且经济环保的车辆。在航空领域，aerodynamic drag在飞行性能中扮演着关键角色。飞机被设计得尽可能流线型，以减少阻力，从而使它们能够更高效地飞行并节省燃料费用。飞行员和工程师在飞机设计和测试阶段密切关注aerodynamic drag。诸如翼尖小翼和先进材料等创新已被实施，以进一步减少阻力并增强整体性能。体育运动也受益于对aerodynamic drag的理解。例如，骑自行车的人穿着紧身衣物，使用专门设计的头盔，以最小化他们在比赛中所遭遇的空气阻力。目标是以尽可能少的能量消耗达到最高速度。在游泳中，运动员利用流线型姿势和先进的泳衣技术更有效地切入水中，减少水的阻力以及在水中转向空气时的aerodynamic drag。aerodynamic drag的原理不仅限于车辆和运动；它们在建筑和工程中同样相关。采用空气动力学原理设计的建筑能够更好地抵御强风，并减少供暖和制冷的能耗。风力涡轮机是另一个例子，在这里，减少aerodynamic drag可以提高效率和能源生产。总之，aerodynamic drag是空气动力学研究中的一个基本概念，在各个领域都有深远的影响。无论是在汽车、飞机、运动装备还是建筑的设计中，理解如何管理和减少aerodynamic drag都可以提高性能、效率和可持续性。随着技术的进步，对aerodynamic drag的探索将继续在创新和解决我们世界面临的挑战中发挥重要作用。